Messages in this thread | | | Date | Wed, 15 Jun 2005 22:51:09 -0500 | From | "K.R. Foley" <> | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00 |
| |
Ingo Molnar wrote: > i have released the -V0.7.48-00 Real-Time Preemption patch, which can be > downloaded from the usual place: > > http://redhat.com/~mingo/realtime-preempt/ > > this release includes an improved version of Daniel Walker's soft > irq-flag (hardirq-disable removal) feature. It is an unconditional part > of the PREEMPT_RT preemption model - other preemption models should not > be affected that much (besides possible build issues). Non-x86 arches > wont build. Some regressions might happen, so take care.. > > Changes since -47-29: > > - soft IRQ flag support (Daniel Walker) > > - fix race in usbnet.c (Eugeny S. Mints) > > - further improvements to the soft IRQ flag code > > to build a -V0.7.48-00 tree, the following patches should to be applied: > > http://kernel.org/pub/linux/kernel/v2.6/linux-2.6.11.tar.bz2 > http://kernel.org/pub/linux/kernel/v2.6/testing/patch-2.6.12-rc6.bz2 > http://redhat.com/~mingo/realtime-preempt/realtime-preempt-2.6.12-rc6-V0.7.48-00 > > Ingo
Ingo,
Having problems with -RT-2.6.12-rc6-V0.7.48-33 booting on my older SMP system (dual 933). Looking at the log apic.log it indicates a problem with APIC. noapic.log is a log when I add "noapic" to the boot parameters.
-- kr Linux version 2.6.12-rc6-RT-V0.7.48-33 (kr@porky.cybersoft.int) (gcc version 3.4.3 20050227 (Red Hat 3.4.3-22.fc3)) #5 SMP Wed Jun 15 06:25:04 CDT 2005 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000001ff9e000 (usable) BIOS-e820: 000000001ff9e000 - 0000000020000000 (reserved) BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved) BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved) 511MB LOWMEM available. found SMP MP-table at 000fe710 DMI 2.3 present. Intel MultiProcessor Specification v1.4 Virtual Wire compatibility mode. OEM ID: DELL Product ID: WS 620 APIC at: 0xFEE00000 Processor #0 6:8 APIC version 17 Processor #1 6:8 APIC version 17 I/O APIC #2 Version 32 at 0xFEC00000. Enabling APIC mode: Flat. Using 1 I/O APICs Processors: 2 Allocating PCI resources starting at 20000000 (gap: 20000000:dec00000) Real-Time Preemption Support (c) Ingo Molnar Built 1 zonelists Kernel command line: ro root=LABEL=/ console=ttyS0,38400 console=tty0 nmi_watchdog=1 Initializing CPU#0 PID hash table entries: 2048 (order: 11, 32768 bytes) Detected 931.130 MHz processor. Using tsc for high-res timesource Console: colour VGA+ 80x25 Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Memory: 513760k/523896k available (2221k kernel code, 9752k reserved, 1222k data, 232k init, 0k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Security Framework v1.0.0 initialized Capability LSM initialized Mount-cache hash table entries: 512 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 256K Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Checking 'hlt' instruction... OK. CPU0: Intel Pentium III (Coppermine) stepping 06 Booting processor 1/1 eip 2000 Initializing CPU#1 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 256K Intel machine check architecture supported. Intel machine check reporting enabled on CPU#1. CPU1: Intel Pentium III (Coppermine) stepping 06 Total of 2 processors activated (3715.07 BogoMIPS). ENABLING IO-APIC IRQs ..TIMER: vector=0x31 pin1=2 pin2=0 checking TSC synchronization across 2 CPUs: passed. spawn_desched_task(00000000) ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. desched cpu_callback 3/00000000 desched cpu_callback 2/00000000 desched thread 0 started up. softlockup thread 0 started up. desched cpu_callback 3/00000001 ksoftirqd started up. desched cpu_callback 2/00000001 Brought up 2 CPUs ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. checking if image is initramfs... it is Freeing initrd memory: 295k freed softirq RT prio: 24. ksoftirqd started up. ksoftirqd started up. softirq RT prio: 24. desched thread 1 started up. softlockup thread 1 started up. NET: Registered protocol family 16 PCI: PCI BIOS revision 2.10 entry at 0xfc03e, last bus=4 PCI: Using configuration type 1 mtrr: v2.0 (20020519) softirq RT prio: 24. Linux Plug and Play Support v0.97 (c) Adam Belay SCSI subsystem initialized PCI: Probing PCI hardware PCI: Probing PCI hardware (bus 00) PCI: Transparent bridge - 0000:00:1e.0 PCI: Using IRQ router PIIX/ICH [8086/2410] at 0000:00:1f.0 PCI->APIC IRQ transform: 0000:00:1f.2[D] -> IRQ 19 PCI->APIC IRQ transform: 0000:00:1f.3[B] -> IRQ 17 PCI->APIC IRQ transform: 0000:01:00.0[A] -> IRQ 16 PCI->APIC IRQ transform: 0000:04:04.0[A] -> IRQ 16 PCI->APIC IRQ transform: 0000:04:05.0[A] -> IRQ 17 PCI->APIC IRQ transform: 0000:04:05.1[B] -> IRQ 18 PCI->APIC IRQ transform: 0000:04:0a.0[A] -> IRQ 18 PCI: Failed to allocate mem resource #0:1000@0 for 0000:03:00.0 VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) Initializing Cryptographic API nvidiafb: nVidia device/chipset 10DE0103 nvidiafb: nVidia Corporation NV10GL [Quadro] nvidiafb: HW is currently programmed for CRT nvidiafb: Using CRT on CRTC 0 nvidiafb: MTRR set to ON nvidiafb: PCI nVidia NV10 framebuffer (64MB @ 0xE8000000) isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found Real Time Clock Driver v1.12 PNP: No PS/2 controller found. Probing ports directly. serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx ICH: IDE controller at PCI slot 0000:00:1f.1 ICH: chipset revision 2 ICH: not 100% native mode: will probe irqs later ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:pio hda: SAMSUNG CD-R/RW SW-248F, ATAPI CD/DVD-ROM drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 hdc: Lite-On LTN483S 48x Max, ATAPI CD/DVD-ROM drive ide1 at 0x170-0x177,0x376 on irq 15 scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36 <Adaptec aic7899 Ultra160 SCSI adapter> aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
Vendor: QUANTUM Model: ATLAS10K2-TY092L Rev: DA40 Type: Direct-Access ANSI SCSI revision: 03 scsi0:A:0:0: Tagged Queuing enabled. Depth 32 target0:0:0: Beginning Domain Validation WIDTH IS 1 (scsi0:A:0): 6.600MB/s transfers (16bit) (scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit) target0:0:0: Ending Domain Validation scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36 <Adaptec aic7899 Ultra160 SCSI adapter> aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
Vendor: SEAGATE Model: SX118273LC Rev: 6679 Type: Direct-Access ANSI SCSI revision: 02 scsi1:A:0:0: Tagged Queuing enabled. Depth 32 target1:0:0: Beginning Domain Validation target1:0:0: Domain Validation skipping write tests (scsi1:A:0): 20.000MB/s transfers (20.000MHz, offset 15) target1:0:0: Ending Domain Validation SCSI device sda: 17783239 512-byte hdwr sectors (9105 MB) SCSI device sda: drive cache: write back SCSI device sda: 17783239 512-byte hdwr sectors (9105 MB) SCSI device sda: drive cache: write back sda: sda1 sda2 sda3 Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 SCSI device sdb: 35566480 512-byte hdwr sectors (18210 MB) SCSI device sdb: drive cache: write through SCSI device sdb: 35566480 512-byte hdwr sectors (18210 MB) SCSI device sdb: drive cache: write through sdb: sdb1 Attached scsi disk sdb at scsi1, channel 0, id 0, lun 0 Attached scsi generic sg0 at scsi0, channel 0, id 0, lun 0, type 0 Attached scsi generic sg1 at scsi1, channel 0, id 0, lun 0, type 0 mice: PS/2 mouse device common for all mice md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27 NET: Registered protocol family 2 IP: routing cache hash table of 256 buckets, 22Kbytes TCP established hash table entries: 32768 (order: 9, 3145728 bytes) TCP bind hash table entries: 32768 (order: 9, 2883584 bytes) TCP: Hash tables configured (established 32768 bind 32768) NET: Registered protocol family 1 NET: Registered protocol family 17 NET: Registered protocol family 8 NET: Registered protocol family 20 Testing NMI watchdog ... OK. Starting balanced_irq ***************************************************************************** * * * WARNING, the following debugging options are turned on in your .config: * * * * CONFIG_DEBUG_RT_LOCKING_MODE * * CONFIG_RT_DEADLOCK_DETECT * * CONFIG_DEBUG_PREEMPT * * * * they may increase runtime overhead and latencies considerably! * * * ***************************************************************************** Freeing unused kernel memory: 232k freed <<7>APIC error on CPU1: 08(08) Linux version 2.6.12-rc6-RT-V0.7.48-33 (kr@porky.cybersoft.int) (gcc version 3.4.3 20050227 (Red Hat 3.4.3-22.fc3)) #5 SMP Wed Jun 15 06:25:04 CDT 2005 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 00000000000a0000 (usable) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000001ff9e000 (usable) BIOS-e820: 000000001ff9e000 - 0000000020000000 (reserved) BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee10000 (reserved) BIOS-e820: 00000000ffb00000 - 0000000100000000 (reserved) 511MB LOWMEM available. found SMP MP-table at 000fe710 DMI 2.3 present. Intel MultiProcessor Specification v1.4 Virtual Wire compatibility mode. OEM ID: DELL Product ID: WS 620 APIC at: 0xFEE00000 Processor #0 6:8 APIC version 17 Processor #1 6:8 APIC version 17 I/O APIC #2 Version 32 at 0xFEC00000. Enabling APIC mode: Flat. Using 1 I/O APICs Processors: 2 Allocating PCI resources starting at 20000000 (gap: 20000000:dec00000) Real-Time Preemption Support (c) Ingo Molnar Built 1 zonelists Kernel command line: ro root=LABEL=/ console=ttyS0,38400 console=tty0 nmi_watchdog=1 noapic Initializing CPU#0 PID hash table entries: 2048 (order: 11, 32768 bytes) Detected 931.130 MHz processor. Using tsc for high-res timesource Console: colour VGA+ 80x25 Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Memory: 513760k/523896k available (2221k kernel code, 9752k reserved, 1222k data, 232k init, 0k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Security Framework v1.0.0 initialized Capability LSM initialized Mount-cache hash table entries: 512 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 256K Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Checking 'hlt' instruction... OK. CPU0: Intel Pentium III (Coppermine) stepping 06 Booting processor 1/1 eip 2000 Initializing CPU#1 CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 256K Intel machine check architecture supported. Intel machine check reporting enabled on CPU#1. CPU1: Intel Pentium III (Coppermine) stepping 06 Total of 2 processors activated (3715.07 BogoMIPS). checking TSC synchronization across 2 CPUs: passed. spawn_desched_task(00000000) ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. desched cpu_callback 3/00000000 desched cpu_callback 2/00000000 desched thread 0 started up. softlockup thread 0 started up. desched cpu_callback 3/00000001 desched cpu_callback 2/00000001 ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. ksoftirqd started up. softirq RT prio: 24. Brought up 2 CPUs desched thread 1 started up. softlockup thread 1 started up. checking if image is initramfs... it is Freeing initrd memory: 295k freed NET: Registered protocol family 16 PCI: PCI BIOS revision 2.10 entry at 0xfc03e, last bus=4 PCI: Using configuration type 1 mtrr: v2.0 (20020519) Linux Plug and Play Support v0.97 (c) Adam Belay SCSI subsystem initialized PCI: Probing PCI hardware PCI: Probing PCI hardware (bus 00) PCI: Transparent bridge - 0000:00:1e.0 PCI: Using IRQ router PIIX/ICH [8086/2410] at 0000:00:1f.0 PCI: Failed to allocate mem resource #0:1000@0 for 0000:03:00.0 VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) Initializing Cryptographic API PCI: Found IRQ 9 for device 0000:01:00.0 PCI: Sharing IRQ 9 with 0000:04:04.0 nvidiafb: nVidia device/chipset 10DE0103 nvidiafb: nVidia Corporation NV10GL [Quadro] nvidiafb: HW is currently programmed for CRT nvidiafb: Using CRT on CRTC 0 nvidiafb: MTRR set to ON nvidiafb: PCI nVidia NV10 framebuffer (64MB @ 0xE8000000) isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found Real Time Clock Driver v1.12 PNP: No PS/2 controller found. Probing ports directly. serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx ICH: IDE controller at PCI slot 0000:00:1f.1 ICH: chipset revision 2 ICH: not 100% native mode: will probe irqs later ide0: BM-DMA at 0xffa0-0xffa7, BIOS settings: hda:DMA, hdb:pio ide1: BM-DMA at 0xffa8-0xffaf, BIOS settings: hdc:DMA, hdd:pio hda: SAMSUNG CD-R/RW SW-248F, ATAPI CD/DVD-ROM drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 hdc: Lite-On LTN483S 48x Max, ATAPI CD/DVD-ROM drive ide1 at 0x170-0x177,0x376 on irq 15 PCI: Found IRQ 10 for device 0000:04:05.0 PCI: Sharing IRQ 10 with 0000:00:1f.3 PCI: Found IRQ 5 for device 0000:04:05.1 PCI: Sharing IRQ 5 with 0000:04:0a.0 scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36 <Adaptec aic7899 Ultra160 SCSI adapter> aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
Vendor: QUANTUM Model: ATLAS10K2-TY092L Rev: DA40 Type: Direct-Access ANSI SCSI revision: 03 scsi0:A:0:0: Tagged Queuing enabled. Depth 32 target0:0:0: Beginning Domain Validation WIDTH IS 1 (scsi0:A:0): 6.600MB/s transfers (16bit) (scsi0:A:0): 160.000MB/s transfers (80.000MHz DT, offset 127, 16bit) target0:0:0: Ending Domain Validation scsi1 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.36 <Adaptec aic7899 Ultra160 SCSI adapter> aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
Vendor: SEAGATE Model: SX118273LC Rev: 6679 Type: Direct-Access ANSI SCSI revision: 02 scsi1:A:0:0: Tagged Queuing enabled. Depth 32 target1:0:0: Beginning Domain Validation target1:0:0: Domain Validation skipping write tests (scsi1:A:0): 20.000MB/s transfers (20.000MHz, offset 15) target1:0:0: Ending Domain Validation SCSI device sda: 17783239 512-byte hdwr sectors (9105 MB) SCSI device sda: drive cache: write back SCSI device sda: 17783239 512-byte hdwr sectors (9105 MB) SCSI device sda: drive cache: write back sda: sda1 sda2 sda3 Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 SCSI device sdb: 35566480 512-byte hdwr sectors (18210 MB) SCSI device sdb: drive cache: write through SCSI device sdb: 35566480 512-byte hdwr sectors (18210 MB) SCSI device sdb: drive cache: write through sdb: sdb1 Attached scsi disk sdb at scsi1, channel 0, id 0, lun 0 Attached scsi generic sg0 at scsi0, channel 0, id 0, lun 0, type 0 Attached scsi generic sg1 at scsi1, channel 0, id 0, lun 0, type 0 mice: PS/2 mouse device common for all mice md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27 NET: Registered protocol family 2 IP: routing cache hash table of 256 buckets, 22Kbytes TCP established hash table entries: 32768 (order: 9, 3145728 bytes) TCP bind hash table entries: 32768 (order: 9, 2883584 bytes) TCP: Hash tables configured (established 32768 bind 32768) NET: Registered protocol family 1 NET: Registered protocol family 17 NET: Registered protocol family 8 NET: Registered protocol family 20 Testing NMI watchdog ... OK. Starting balanced_irq ***************************************************************************** * * * WARNING, the following debugging options are turned on in your .config: * * * * CONFIG_DEBUG_RT_LOCKING_MODE * * CONFIG_RT_DEADLOCK_DETECT * * CONFIG_DEBUG_PREEMPT * * * * they may increase runtime overhead and latencies considerably! * * * ***************************************************************************** Freeing unused kernel memory: 232k freed input: AT Translated Set 2 keyboard on isa0060/serio0 input: ImPS/2 Generic Wheel Mouse on isa0060/serio1 EXT3-fs: mounted filesystem with ordered data mode. kjournald starting. Commit interval 5 seconds ------------[ cut here ]------------ kernel BUG at drivers/ide/ide-io.c:1109! invalid operand: 0000 [#1] PREEMPT SMP Modules linked in: ide_cd cdrom CPU: 1 EIP: 0060:[<c025cf63>] Not tainted VLI EFLAGS: 00010282 (2.6.12-rc6-RT-V0.7.48-33) EIP is at ide_do_request+0x3a3/0x3d0 eax: 00000025 ebx: 00000000 ecx: 00000000 edx: 00000079 esi: df227d68 edi: 00000000 ebp: 00000001 esp: df227bf0 ds: 007b es: 007b ss: 0068 preempt: 00000002 Process modprobe (pid: 1342, threadinfo=df226000 task=de83e920) Stack: c03388a8 c034c013 00000455 df227d68 00000000 df227d68 00000000 00000001 c025d691 dfd7e200 ffffffff 00000002 00000000 00000002 dfd7e200 00000001 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Call Trace: [<c025d691>] ide_do_drive_cmd+0x121/0x190 (36) [<c0101940>] __switch_to+0x30/0x200 (116) [<e0839b8a>] cdrom_queue_packet_command+0x4a/0xd0 [ide_cd] (120) [<c0117490>] default_wake_function+0x0/0x30 (20) [<c012f195>] queue_work+0x55/0xa0 (12) [<c012f0b0>] call_usermodehelper+0x160/0x180 (28) [<e083b516>] ide_cdrom_packet+0xb6/0x100 [ide_cd] (36) [<c023a4e0>] blk_end_sync_rq+0x0/0x30 (152) [<e083be1b>] ide_cdrom_get_capabilities+0x9b/0xb0 [ide_cd] (36) [<e083bede>] ide_cdrom_probe_capabilities+0xae/0x4e0 [ide_cd] (92) [<e083c7bc>] ide_cdrom_setup+0x2ac/0x460 [ide_cd] (68) [<e083ceea>] ide_cd_probe+0x14a/0x2b0 [ide_cd] (32) [<c032a802>] _raw_spin_unlock+0x12/0x30 (28) [<c01e8010>] kobject_hotplug+0x2a0/0x2f0 (20) [<c01a9256>] sysfs_create_dir+0x36/0xa0 (20) [<c0232552>] driver_probe_device+0x32/0x80 (36) [<c02326b2>] driver_attach+0x52/0xa0 (20) [<c0232c37>] bus_add_driver+0x97/0xe0 (32) [<e083d05f>] ide_cdrom_init+0xf/0x20 [ide_cd] (32) [<c013ff97>] sys_init_module+0x157/0x240 (8) [<c010320b>] sysenter_past_esp+0x54/0x75 (28) --------------------------- | preempt count: 00000003 ] | 3-level deep critical section nesting: ---------------------------------------- .. [<c032a3c9>] .... _raw_spin_lock+0x19/0x90 .....[<00000000>] .. ( <= 0x0) .. [<c032a459>] .... _raw_spin_lock_irqsave+0x19/0xa0 .....[<00000000>] .. ( <= 0x0) .. [<c013b544>] .... print_traces+0x14/0x40 .....[<00000000>] .. ( <= 0x0)
Code: 24 c7 40 08 00 00 00 00 e9 eb fe ff ff c7 04 24 a8 88 33 c0 b9 55 04 00 00 ba 13 c0 34 c0 89 4c 24 08 89 54 24 04 e8 7d 04 ec ff <0f> 0b 55 04 13 c0 34 c0 e9 64 fc ff ff c7 04 24 84 76 35 c0 e8 <6>note: modprobe[1342] exited with preempt_count 1 BUG: scheduling while atomic: modprobe/0x10000001/1342 caller is __cond_resched+0x42/0x60 [<c032782b>] __schedule+0x52b/0x920 (8) [<c01183c2>] __cond_resched+0x42/0x60 (8) [<c015cbb6>] page_remove_rmap+0x36/0x90 (12) [<c01510e4>] mark_page_accessed+0x34/0x40 (12) [<c0155995>] zap_pte_range+0xe5/0x1e0 (8) [<c01514fd>] release_pages+0x14d/0x180 (12) [<c013b2a3>] add_preempt_count+0x23/0xe0 (4) [<c013b2a3>] add_preempt_count+0x23/0xe0 (8) [<c01183c2>] __cond_resched+0x42/0x60 (28) [<c032852c>] cond_resched+0x1c/0x30 (16) [<c0155cc2>] unmap_vmas+0x142/0x1b0 (8) [<c015abdb>] exit_mmap+0x5b/0x110 (64) [<c0104950>] do_invalid_op+0x0/0xb0 (48) [<c011a1db>] mmput+0x3b/0xb0 (8) [<c011ffe1>] do_exit+0xc1/0x420 (16) [<c0104950>] do_invalid_op+0x0/0xb0 (32) [<c01045bc>] die+0x18c/0x190 (8) [<c01049f6>] do_invalid_op+0xa6/0xb0 (60) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (76) [<c011d7a9>] release_console_sem+0x79/0xe0 (4) [<c011d7a9>] release_console_sem+0x79/0xe0 (20) [<c011d585>] vprintk+0x185/0x270 (28) [<c032a802>] _raw_spin_unlock+0x12/0x30 (20) [<c0101940>] __switch_to+0x30/0x200 (16) [<c0103d5f>] error_code+0x4f/0x54 (36) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (44) [<c025d691>] ide_do_drive_cmd+0x121/0x190 (44) [<c0101940>] __switch_to+0x30/0x200 (116) [<e0839b8a>] cdrom_queue_packet_command+0x4a/0xd0 [ide_cd] (120) [<c0117490>] default_wake_function+0x0/0x30 (20) [<c012f195>] queue_work+0x55/0xa0 (12) [<c012f0b0>] call_usermodehelper+0x160/0x180 (28) [<e083b516>] ide_cdrom_packet+0xb6/0x100 [ide_cd] (36) [<c023a4e0>] blk_end_sync_rq+0x0/0x30 (152) [<e083be1b>] ide_cdrom_get_capabilities+0x9b/0xb0 [ide_cd] (36) [<e083bede>] ide_cdrom_probe_capabilities+0xae/0x4e0 [ide_cd] (92) [<e083c7bc>] ide_cdrom_setup+0x2ac/0x460 [ide_cd] (68) [<e083ceea>] ide_cd_probe+0x14a/0x2b0 [ide_cd] (32) [<c032a802>] _raw_spin_unlock+0x12/0x30 (28) [<c01e8010>] kobject_hotplug+0x2a0/0x2f0 (20) [<c01a9256>] sysfs_create_dir+0x36/0xa0 (20) [<c0232552>] driver_probe_device+0x32/0x80 (36) [<c02326b2>] driver_attach+0x52/0xa0 (20) [<c0232c37>] bus_add_driver+0x97/0xe0 (32) [<e083d05f>] ide_cdrom_init+0xf/0x20 [ide_cd] (32) [<c013ff97>] sys_init_module+0x157/0x240 (8) [<c010320b>] sysenter_past_esp+0x54/0x75 (28) --------------------------- | preempt count: 10000002 ] | 2-level deep critical section nesting: ---------------------------------------- .. [<c032a3c9>] .... _raw_spin_lock+0x19/0x90 .....[<00000000>] .. ( <= 0x0) .. [<c013b544>] .... print_traces+0x14/0x40 .....[<00000000>] .. ( <= 0x0)
BUG: sleeping function called from invalid context modprobe(1342) at mm/mmap.c:186 in_atomic():1 [00000001], irqs_disabled():0 [<c01199cb>] __might_sleep+0xdb/0x100 (8) [<c015891f>] remove_vm_struct+0x2f/0xb0 (36) [<c015ac4e>] exit_mmap+0xce/0x110 (32) [<c0104950>] do_invalid_op+0x0/0xb0 (48) [<c011a1db>] mmput+0x3b/0xb0 (8) [<c011ffe1>] do_exit+0xc1/0x420 (16) [<c0104950>] do_invalid_op+0x0/0xb0 (32) [<c01045bc>] die+0x18c/0x190 (8) [<c01049f6>] do_invalid_op+0xa6/0xb0 (60) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (76) [<c011d7a9>] release_console_sem+0x79/0xe0 (4) [<c011d7a9>] release_console_sem+0x79/0xe0 (20) [<c011d585>] vprintk+0x185/0x270 (28) [<c032a802>] _raw_spin_unlock+0x12/0x30 (20) [<c0101940>] __switch_to+0x30/0x200 (16) [<c0103d5f>] error_code+0x4f/0x54 (36) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (44) [<c025d691>] ide_do_drive_cmd+0x121/0x190 (44) [<c0101940>] __switch_to+0x30/0x200 (116) [<e0839b8a>] cdrom_queue_packet_command+0x4a/0xd0 [ide_cd] (120) [<c0117490>] default_wake_function+0x0/0x30 (20) [<c012f195>] queue_work+0x55/0xa0 (12) [<c012f0b0>] call_usermodehelper+0x160/0x180 (28) [<e083b516>] ide_cdrom_packet+0xb6/0x100 [ide_cd] (36) [<c023a4e0>] blk_end_sync_rq+0x0/0x30 (152) [<e083be1b>] ide_cdrom_get_capabilities+0x9b/0xb0 [ide_cd] (36) [<e083bede>] ide_cdrom_probe_capabilities+0xae/0x4e0 [ide_cd] (92) [<e083c7bc>] ide_cdrom_setup+0x2ac/0x460 [ide_cd] (68) [<e083ceea>] ide_cd_probe+0x14a/0x2b0 [ide_cd] (32) [<c032a802>] _raw_spin_unlock+0x12/0x30 (28) [<c01e8010>] kobject_hotplug+0x2a0/0x2f0 (20) [<c01a9256>] sysfs_create_dir+0x36/0xa0 (20) [<c0232552>] driver_probe_device+0x32/0x80 (36) [<c02326b2>] driver_attach+0x52/0xa0 (20) [<c0232c37>] bus_add_driver+0x97/0xe0 (32) [<e083d05f>] ide_cdrom_init+0xf/0x20 [ide_cd] (32) [<c013ff97>] sys_init_module+0x157/0x240 (8) [<c010320b>] sysenter_past_esp+0x54/0x75 (28) --------------------------- | preempt count: 00000002 ] | 2-level deep critical section nesting: ---------------------------------------- .. [<c032a3c9>] .... _raw_spin_lock+0x19/0x90 .....[<00000000>] .. ( <= 0x0) .. [<c013b544>] .... print_traces+0x14/0x40 .....[<00000000>] .. ( <= 0x0)
BUG: scheduling while atomic: modprobe/0x10000001/1342 caller is __cond_resched+0x42/0x60 [<c032782b>] __schedule+0x52b/0x920 (8) [<c01183c2>] __cond_resched+0x42/0x60 (8) [<c013b2a3>] add_preempt_count+0x23/0xe0 (12) [<c013b2a3>] add_preempt_count+0x23/0xe0 (12) [<c013b2a3>] add_preempt_count+0x23/0xe0 (32) [<c01183c2>] __cond_resched+0x42/0x60 (28) [<c032852c>] cond_resched+0x1c/0x30 (16) [<c011f1af>] put_files_struct+0x6f/0xe0 (8) [<c0120016>] do_exit+0xf6/0x420 (28) [<c0104950>] do_invalid_op+0x0/0xb0 (32) [<c01045bc>] die+0x18c/0x190 (8) [<c01049f6>] do_invalid_op+0xa6/0xb0 (60) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (76) [<c011d7a9>] release_console_sem+0x79/0xe0 (4) [<c011d7a9>] release_console_sem+0x79/0xe0 (20) [<c011d585>] vprintk+0x185/0x270 (28) [<c032a802>] _raw_spin_unlock+0x12/0x30 (20) [<c0101940>] __switch_to+0x30/0x200 (16) [<c0103d5f>] error_code+0x4f/0x54 (36) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (44) [<c025d691>] ide_do_drive_cmd+0x121/0x190 (44) [<c0101940>] __switch_to+0x30/0x200 (116) [<e0839b8a>] cdrom_queue_packet_command+0x4a/0xd0 [ide_cd] (120) [<c0117490>] default_wake_function+0x0/0x30 (20) [<c012f195>] queue_work+0x55/0xa0 (12) [<c012f0b0>] call_usermodehelper+0x160/0x180 (28) [<e083b516>] ide_cdrom_packet+0xb6/0x100 [ide_cd] (36) [<c023a4e0>] blk_end_sync_rq+0x0/0x30 (152) [<e083be1b>] ide_cdrom_get_capabilities+0x9b/0xb0 [ide_cd] (36) [<e083bede>] ide_cdrom_probe_capabilities+0xae/0x4e0 [ide_cd] (92) [<e083c7bc>] ide_cdrom_setup+0x2ac/0x460 [ide_cd] (68) [<e083ceea>] ide_cd_probe+0x14a/0x2b0 [ide_cd] (32) [<c032a802>] _raw_spin_unlock+0x12/0x30 (28) [<c01e8010>] kobject_hotplug+0x2a0/0x2f0 (20) [<c01a9256>] sysfs_create_dir+0x36/0xa0 (20) [<c0232552>] driver_probe_device+0x32/0x80 (36) [<c02326b2>] driver_attach+0x52/0xa0 (20) [<c0232c37>] bus_add_driver+0x97/0xe0 (32) [<e083d05f>] ide_cdrom_init+0xf/0x20 [ide_cd] (32) [<c013ff97>] sys_init_module+0x157/0x240 (8) [<c010320b>] sysenter_past_esp+0x54/0x75 (28) --------------------------- | preempt count: 10000002 ] | 2-level deep critical section nesting: ---------------------------------------- .. [<c032a3c9>] .... _raw_spin_lock+0x19/0x90 .....[<00000000>] .. ( <= 0x0) .. [<c013b544>] .... print_traces+0x14/0x40 .....[<00000000>] .. ( <= 0x0)
BUG: sleeping function called from invalid context modprobe(1342) at fs/file_table.c:125 in_atomic():1 [00000001], irqs_disabled():0 [<c01199cb>] __might_sleep+0xdb/0x100 (8) [<c0168637>] __fput+0x37/0x1b0 (36) [<c0166c32>] filp_close+0x52/0xa0 (32) [<c011f1aa>] put_files_struct+0x6a/0xe0 (24) [<c0120016>] do_exit+0xf6/0x420 (28) [<c0104950>] do_invalid_op+0x0/0xb0 (32) [<c01045bc>] die+0x18c/0x190 (8) [<c01049f6>] do_invalid_op+0xa6/0xb0 (60) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (76) [<c011d7a9>] release_console_sem+0x79/0xe0 (4) [<c011d7a9>] release_console_sem+0x79/0xe0 (20) [<c011d585>] vprintk+0x185/0x270 (28) [<c032a802>] _raw_spin_unlock+0x12/0x30 (20) [<c0101940>] __switch_to+0x30/0x200 (16) [<c0103d5f>] error_code+0x4f/0x54 (36) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (44) [<c025d691>] ide_do_drive_cmd+0x121/0x190 (44) [<c0101940>] __switch_to+0x30/0x200 (116) [<e0839b8a>] cdrom_queue_packet_command+0x4a/0xd0 [ide_cd] (120) [<c0117490>] default_wake_function+0x0/0x30 (20) [<c012f195>] queue_work+0x55/0xa0 (12) [<c012f0b0>] call_usermodehelper+0x160/0x180 (28) [<e083b516>] ide_cdrom_packet+0xb6/0x100 [ide_cd] (36) [<c023a4e0>] blk_end_sync_rq+0x0/0x30 (152) [<e083be1b>] ide_cdrom_get_capabilities+0x9b/0xb0 [ide_cd] (36) [<e083bede>] ide_cdrom_probe_capabilities+0xae/0x4e0 [ide_cd] (92) [<e083c7bc>] ide_cdrom_setup+0x2ac/0x460 [ide_cd] (68) [<e083ceea>] ide_cd_probe+0x14a/0x2b0 [ide_cd] (32) [<c032a802>] _raw_spin_unlock+0x12/0x30 (28) [<c01e8010>] kobject_hotplug+0x2a0/0x2f0 (20) [<c01a9256>] sysfs_create_dir+0x36/0xa0 (20) [<c0232552>] driver_probe_device+0x32/0x80 (36) [<c02326b2>] driver_attach+0x52/0xa0 (20) [<c0232c37>] bus_add_driver+0x97/0xe0 (32) [<e083d05f>] ide_cdrom_init+0xf/0x20 [ide_cd] (32) [<c013ff97>] sys_init_module+0x157/0x240 (8) [<c010320b>] sysenter_past_esp+0x54/0x75 (28) --------------------------- | preempt count: 00000002 ] | 2-level deep critical section nesting: ---------------------------------------- .. [<c032a3c9>] .... _raw_spin_lock+0x19/0x90 .....[<00000000>] .. ( <= 0x0) .. [<c013b544>] .... print_traces+0x14/0x40 .....[<00000000>] .. ( <= 0x0)
BUG: scheduling while atomic: modprobe/0x10000001/1342 caller is __cond_resched+0x42/0x60 [<c032782b>] __schedule+0x52b/0x920 (8) [<c01183c2>] __cond_resched+0x42/0x60 (8) [<c0182246>] dput+0x1f6/0x210 (28) [<c0168710>] __fput+0x110/0x1b0 (24) [<c013b2a3>] add_preempt_count+0x23/0xe0 (4) [<c01183c2>] __cond_resched+0x42/0x60 (28) [<c032852c>] cond_resched+0x1c/0x30 (16) [<c011f1af>] put_files_struct+0x6f/0xe0 (8) [<c0120016>] do_exit+0xf6/0x420 (28) [<c0104950>] do_invalid_op+0x0/0xb0 (32) [<c01045bc>] die+0x18c/0x190 (8) [<c01049f6>] do_invalid_op+0xa6/0xb0 (60) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (76) [<c011d7a9>] release_console_sem+0x79/0xe0 (4) [<c011d7a9>] release_console_sem+0x79/0xe0 (20) [<c011d585>] vprintk+0x185/0x270 (28) [<c032a802>] _raw_spin_unlock+0x12/0x30 (20) [<c0101940>] __switch_to+0x30/0x200 (16) [<c0103d5f>] error_code+0x4f/0x54 (36) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (44) [<c025d691>] ide_do_drive_cmd+0x121/0x190 (44) [<c0101940>] __switch_to+0x30/0x200 (116) [<e0839b8a>] cdrom_queue_packet_command+0x4a/0xd0 [ide_cd] (120) [<c0117490>] default_wake_function+0x0/0x30 (20) [<c012f195>] queue_work+0x55/0xa0 (12) [<c012f0b0>] call_usermodehelper+0x160/0x180 (28) [<e083b516>] ide_cdrom_packet+0xb6/0x100 [ide_cd] (36) [<c023a4e0>] blk_end_sync_rq+0x0/0x30 (152) [<e083be1b>] ide_cdrom_get_capabilities+0x9b/0xb0 [ide_cd] (36) [<e083bede>] ide_cdrom_probe_capabilities+0xae/0x4e0 [ide_cd] (92) [<e083c7bc>] ide_cdrom_setup+0x2ac/0x460 [ide_cd] (68) [<e083ceea>] ide_cd_probe+0x14a/0x2b0 [ide_cd] (32) [<c032a802>] _raw_spin_unlock+0x12/0x30 (28) [<c01e8010>] kobject_hotplug+0x2a0/0x2f0 (20) [<c01a9256>] sysfs_create_dir+0x36/0xa0 (20) [<c0232552>] driver_probe_device+0x32/0x80 (36) [<c02326b2>] driver_attach+0x52/0xa0 (20) [<c0232c37>] bus_add_driver+0x97/0xe0 (32) [<e083d05f>] ide_cdrom_init+0xf/0x20 [ide_cd] (32) [<c013ff97>] sys_init_module+0x157/0x240 (8) [<c010320b>] sysenter_past_esp+0x54/0x75 (28) --------------------------- | preempt count: 10000002 ] | 2-level deep critical section nesting: ---------------------------------------- .. [<c032a3c9>] .... _raw_spin_lock+0x19/0x90 .....[<00000000>] .. ( <= 0x0) .. [<c013b544>] .... print_traces+0x14/0x40 .....[<00000000>] .. ( <= 0x0)
BUG: modprobe/1342, lock held at task exit time! [c03d3e00] {(struct rw_semaphore *)(&s->rwsem)} .. held by: modprobe: 1342 [de83e920, 125] ... acquired at: bus_add_driver+0x8f/0xe0 BUG: scheduling while atomic: modprobe/0x00000001/1342 caller is do_exit+0x261/0x420 [<c032782b>] __schedule+0x52b/0x920 (8) [<c0120181>] do_exit+0x261/0x420 (8) [<c0232c2f>] bus_add_driver+0x8f/0xe0 (52) [<c0120181>] do_exit+0x261/0x420 (32) [<c0104950>] do_invalid_op+0x0/0xb0 (32) [<c01045bc>] die+0x18c/0x190 (8) [<c01049f6>] do_invalid_op+0xa6/0xb0 (60) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (76) [<c011d7a9>] release_console_sem+0x79/0xe0 (4) [<c011d7a9>] release_console_sem+0x79/0xe0 (20) [<c011d585>] vprintk+0x185/0x270 (28) [<c032a802>] _raw_spin_unlock+0x12/0x30 (20) [<c0101940>] __switch_to+0x30/0x200 (16) [<c0103d5f>] error_code+0x4f/0x54 (36) [<c025cf63>] ide_do_request+0x3a3/0x3d0 (44) [<c025d691>] ide_do_drive_cmd+0x121/0x190 (44) [<c0101940>] __switch_to+0x30/0x200 (116) [<e0839b8a>] cdrom_queue_packet_command+0x4a/0xd0 [ide_cd] (120) [<c0117490>] default_wake_function+0x0/0x30 (20) [<c012f195>] queue_work+0x55/0xa0 (12) [<c012f0b0>] call_usermodehelper+0x160/0x180 (28) [<e083b516>] ide_cdrom_packet+0xb6/0x100 [ide_cd] (36) [<c023a4e0>] blk_end_sync_rq+0x0/0x30 (152) [<e083be1b>] ide_cdrom_get_capabilities+0x9b/0xb0 [ide_cd] (36) [<e083bede>] ide_cdrom_probe_capabilities+0xae/0x4e0 [ide_cd] (92) [<e083c7bc>] ide_cdrom_setup+0x2ac/0x460 [ide_cd] (68) [<e083ceea>] ide_cd_probe+0x14a/0x2b0 [ide_cd] (32) [<c032a802>] _raw_spin_unlock+0x12/0x30 (28) [<c01e8010>] kobject_hotplug+0x2a0/0x2f0 (20) [<c01a9256>] sysfs_create_dir+0x36/0xa0 (20) [<c0232552>] driver_probe_device+0x32/0x80 (36) [<c02326b2>] driver_attach+0x52/0xa0 (20) [<c0232c37>] bus_add_driver+0x97/0xe0 (32) [<e083d05f>] ide_cdrom_init+0xf/0x20 [ide_cd] (32) [<c013ff97>] sys_init_module+0x157/0x240 (8) [<c010320b>] sysenter_past_esp+0x54/0x75 (28) --------------------------- | preempt count: 00000002 ] | 2-level deep critical section nesting: ---------------------------------------- .. [<c032a3c9>] .... _raw_spin_lock+0x19/0x90 .....[<00000000>] .. ( <= 0x0) .. [<c013b544>] .... print_traces+0x14/0x40 .....[<00000000>] .. ( <= 0x0)
| |