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SubjectPcmcia Insertion causes Scheduler to hard Loop
Date
This post may be a little long but to   the best of my knowledge
it follows the entire posting script rules, which say to include
99% of the following

I only have dial-up line so cannot take the lkml feed, but just
post the reply in the lkml and I will look for it, but a CC would
also be nice.
jt

Problem:
2.6.0-test1 w/gregs 2.6.0-test2 pci patches (8 of them)

Insert Pcmcia card attached to external IDE drive enclosure and
scheduler goes into an unstoppable hard loop.

Description:
DnBoy Pcmcia card attached to IDE enclosure, with 12G Toshiba 2.5
inch drive, worked fine in 2.4.18-3 (RH) and did not encounter
this problem until 2.6.0-test1


I can see some of what is happening in kernel/sched.c, but it is a
little too deep for me just yet.

Did apply Greg's pci patches 01 thru 08 Latest July, 2003

Output captured and is at the end of this post.

cat /proc/version

Linux version 2.6.0-test3 (root@jtlin60) (gcc version 2.95.3 20010315
(release)) #1 Sun Aug 3 07:14:31 EDT 2003


OOPS

No oops, this is not that sort of problem


Output of
ver_linux

If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.

Linux jtlin60 2.6.0-test3 #1 Sun Aug 3 07:14:31 EDT 2003 i686 unknown

Gnu C 2.95.3
Gnu make 3.79.1
util-linux 2.11n
mount 2.11n
e2fsprogs 1.27
reiserfsprogs 3.x.0j
pcmcia-cs 3.1.22
quota-tools 3.01.
PPP 2.4.1
isdn4k-utils 3.1pre1
Linux C Library 2.2.5
Dynamic linker (ldd) 2.2.5
Procps 2.0.7
Net-tools 1.60
Console-tools 0.3.3
Sh-utils 2.0.11
Modules Loaded binfmt_misc ds yenta_socket pcmcia_core
parport_pc parport
Output of
cat /proc/cpuinfo

processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 8
model name : Pentium III (Coppermine)
stepping : 6
cpu MHz : 361.530
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips : 684.03



Output of
cat /proc/modules

binfmt_misc 7816 0 - Live 0xcc894000
ds 10464 4 - Live 0xcc8ad000
yenta_socket 9696 1 - Live 0xcc890000
pcmcia_core 54208 2 ds,yenta_socket, Live 0xcc8b9000
parport_pc 22436 0 - Live 0xcc8a1000
parport 33408 1 parport_pc, Live 0xcc897000


Output of
cat /proc/ioports

0000-001f : dma1
0020-0021 : pic1
0040-005f : timer
0060-006f : keyboard
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
02f8-02ff : Lucent Microelectron 56k WinModem
0376-0376 : ide1
0378-037a : parport0
037b-037f : parport0
03c0-03df : vga+
03f6-03f6 : ide0
0cf8-0cff : PCI conf1
1000-10ff : PCI CardBus #02
1000-107f : 3Com Corporation 3CCFE575CT Cyclone C
1400-14ff : PCI CardBus #02
1800-18ff : PCI CardBus #06
1c00-1cff : Lucent Microelectron 56k WinModem
2000-20ff : PCI CardBus #06
fe00-fe3f : Intel Corp. 82371AB/EB/MB PIIX4
fe60-fe7f : Intel Corp. 82371AB/EB/MB PIIX4
fefc-feff : Yamaha Corporation YMF-744B [DS-1S Audi
ff00-ff3f : Yamaha Corporation YMF-744B [DS-1S Audi
ff60-ff7f : Toshiba America Info FIR Port Type-DO
ff80-ff9f : Intel Corp. 82371AB/EB/MB PIIX4
fff0-ffff : Intel Corp. 82371AB/EB/MB PIIX4
fff0-fff7 : ide0
fff8-ffff : ide1

Output of
cat /proc/iomem

00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000e8000-000ebfff : reserved
000f0000-000fffff : System ROM
00100000-0bfdffff : System RAM
00100000-0023d76f : Kernel code
0023d770-002e417f : Kernel data
0bfe0000-0bfeffff : ACPI Tables
0bff0000-0bffffff : reserved
10000000-10000fff : Toshiba America Info ToPIC95 PCI to Cardb
10001000-10001fff : Toshiba America Info ToPIC95 PCI to Cardb (#2)
100a0000-100b6dff : reserved
100b6e00-100b6fff : ACPI Non-volatile Storage
100b7000-100fffff : reserved
10400000-107fffff : PCI CardBus #02
10400000-1041ffff : 3Com Corporation 3CCFE575CT Cyclone C
10800000-10bfffff : PCI CardBus #02
10800000-1080007f : 3Com Corporation 3CCFE575CT Cyclone C
10800080-108000ff : 3Com Corporation 3CCFE575CT Cyclone C
10c00000-10ffffff : PCI CardBus #06
11000000-113fffff : PCI CardBus #06
e0000000-e7ffffff : Intel Corp. 440BX/ZX/DX - 82443B
efff8000-efffffff : Yamaha Corporation YMF-744B [DS-1S Audi
f0000000-f7ffffff : PCI Bus #01
f0000000-f7ffffff : S3 Inc. 86C270-294 Savage/MX
ffefff00-ffefffff : Lucent Microelectron 56k WinModem
fff80000-ffffffff : reserved

Output of
lspci -vvv

00:00.0 Host bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX Host bridge (rev 03)
Subsystem: Toshiba America Info Systems Toshiba Tecra 8100 Laptop System Chipset
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
Latency: 64
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=128M]
Capabilities: [a0] AGP version 1.0
Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>

00:01.0 PCI bridge: Intel Corp. 440BX/ZX/DX - 82443BX/ZX/DX AGP bridge (rev 03) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: f0000000-f7ffffff
Prefetchable memory behind bridge: fff00000-000fffff
BridgeCtl: Parity- SERR- NoISA- VGA+ MAbort- >Reset- FastB2B+

00:05.0 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ISA (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0

00:05.1 IDE interface: Intel Corp. 82371AB/EB/MB PIIX4 IDE (rev 01) (prog-if 80 [Master])
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Region 4: I/O ports at fff0 [size=16]

00:05.2 USB Controller: Intel Corp. 82371AB/EB/MB PIIX4 USB (rev 01) (prog-if 00 [UHCI])
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Interrupt: pin D routed to IRQ 11
Region 4: I/O ports at ff80 [size=32]

00:05.3 Bridge: Intel Corp. 82371AB/EB/MB PIIX4 ACPI (rev 03)
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin ? routed to IRQ 9

00:07.0 Communication controller: Lucent Microelectronics 56k WinModem (rev 01)
Subsystem: Toshiba America Info Systems Internal V.90 Modem
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (63000ns min, 3500ns max)
Interrupt: pin A routed to IRQ 3
Region 0: Memory at ffefff00 (32-bit, non-prefetchable) [size=256]
Region 1: I/O ports at 02f8 [size=8]
Region 2: I/O ports at 1c00 [size=256]
Capabilities: [f8] Power Management version 2
Flags: PMEClk- DSI+ D1- D2+ AuxCurrent=160mA PME(D0-,D1-,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:09.0 IRDA controller: Toshiba America Info Systems FIR Port Type-DO
Subsystem: Toshiba America Info Systems FIR Port Type-DO
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at ff60 [size=32]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1+ D2- AuxCurrent=0mA PME(D0-,D1+,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:0b.0 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (rev 20)
Subsystem: Toshiba America Info Systems: Unknown device 0001
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 168
Interrupt: pin A routed to IRQ 11
Region 0: Memory at 10000000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=00, secondary=02, subordinate=05, sec-latency=0
Memory window 0: 10400000-107ff000 (prefetchable)
Memory window 1: 10800000-10bff000
I/O window 0: 00001000-000010ff
I/O window 1: 00001400-000014ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt- PostWrite+
16-bit legacy interface ports at 0001

00:0b.1 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI to Cardbus Bridge with ZV Support (rev 20)
Subsystem: Toshiba America Info Systems: Unknown device 0001
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=slow >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 168
Interrupt: pin B routed to IRQ 11
Region 0: Memory at 10001000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=00, secondary=06, subordinate=09, sec-latency=0
Memory window 0: 10c00000-10fff000 (prefetchable)
Memory window 1: 11000000-113ff000
I/O window 0: 00001800-000018ff
I/O window 1: 00002000-000020ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt+ PostWrite+
16-bit legacy interface ports at 0001

00:0c.0 Multimedia audio controller: Yamaha Corporation YMF-744B [DS-1S Audio Controller] (rev 02)
Subsystem: Toshiba America Info Systems: Unknown device 0001
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (1250ns min, 6250ns max)
Interrupt: pin A routed to IRQ 11
Region 0: Memory at efff8000 (32-bit, non-prefetchable) [size=32K]
Region 1: I/O ports at ff00 [size=64]
Region 2: I/O ports at fefc [size=4]
Capabilities: [50] Power Management version 1
Flags: PMEClk- DSI- D1- D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:00.0 VGA compatible controller: S3 Inc. 86C270-294 Savage/MX-MV (rev 11) (prog-if 00 [VGA])
Subsystem: Toshiba America Info Systems: Unknown device 0001
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 248 (1000ns min, 63750ns max), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at f0000000 (32-bit, non-prefetchable) [size=128M]
Expansion ROM at 000c0000 [disabled] [size=64K]
Capabilities: [dc] Power Management version 1
Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [80] AGP version 1.0
Status: RQ=31 SBA- 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>

02:00.0 Ethernet controller: 3Com Corporation 3CCFE575CT Cyclone CardBus (rev 10)
Subsystem: 3Com Corporation FE575C-3Com 10/100 LAN CardBus-Fast Ethernet
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at 1000 [disabled] [size=128]
Region 1: Memory at 10800000 (32-bit, non-prefetchable) [disabled] [size=128]
Region 2: Memory at 10800080 (32-bit, non-prefetchable) [disabled] [size=128]
Expansion ROM at 10400000 [disabled] [size=128K]
Capabilities: [50] Power Management version 1
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-


Output of
/proc/scsi
/proc/scsi does not exist


Output of
cardmgr -V
cardmgr version 3.1.22


Output of
lsmod
Module Size Used by
ide_cs 5760 0
ide_cd 35200 0
cdrom 30656 1 ide_cd
pci_hotplug 8452 0
nfs 58792 1
nfsd 59872 8 [unsafe]
exportfs 4640 1 nfsd
lockd 46048 3 nfs,nfsd,[unsafe]
sunrpc 108544 5 nfs,nfsd,lockd
3c59x 35080 0
mousedev 7104 1
usbmouse 4064 0
uhci_hcd 26024 0
usbcore 89012 4 usbmouse,uhci_hcd
binfmt_misc 7816 0
ds 10464 5 ide_cs
yenta_socket 9696 1
pcmcia_core 54208 3 ide_cs,ds,yenta_socket
parport_pc 22436 0
parport 33408 1 parport_pc


Output of

tail -f /var/log/messages
While inserting the PCMCIA Card

The Call Trace sequence will continue on and on forever, I have to
power down the machine, remove the PCMCIA card (as this also
happens on boot up) and once the machine boots, then things are
again stable.


Aug 3 07:33:39 jtlin60 kernel: hdc: ATAPI 24X DVD-ROM drive, 128kB Cache, UDMA(33)
Aug 3 07:33:39 jtlin60 kernel: Uniform CD-ROM driver Revision: 3.12
Aug 3 07:38:53 jtlin60 login(pam_unix)[947]: session opened for user root by (uid=0)
Aug 3 07:38:53 jtlin60 -- root[947]: ROOT LOGIN ON tty2
Aug 3 07:39:06 jtlin60 nfs: Starting NFS services: succeeded
Aug 3 07:39:06 jtlin60 nfs: rpc.rquotad startup succeeded
Aug 3 07:39:07 jtlin60 nfs: rpc.mountd startup succeeded
Aug 3 07:39:07 jtlin60 kernel: Module nfsd cannot be unloaded due to unsafe usage in include/linux/module.h:482
Aug 3 07:39:07 jtlin60 kernel: Module lockd cannot be unloaded due to unsafe usage in include/linux/module.h:482
Aug 3 07:39:07 jtlin60 nfs: rpc.nfsd startup succeeded

PCMCIA card inserted here


Aug 3 07:41:42 jtlin60 cardmgr[641]: initializing socket 1
Aug 3 07:41:42 jtlin60 cardmgr[641]: socket 1: ATA/IDE Fixed Disk
Aug 3 07:41:42 jtlin60 kernel: cs: memory probe 0xa0000000-0xa0ffffff: clean.
Aug 3 07:42:01 jtlin60 kernel: hde: TOSHIBA MK1214GAP, ATA DISK drive
Aug 3 07:42:01 jtlin60 kernel: ide2 at 0x180-0x187,0x386 on irq 5
Aug 3 07:42:01 jtlin60 kernel: hde: max request size: 128KiB
Aug 3 07:42:02 jtlin60 kernel: hde: host protected area => 1
Aug 3 07:42:02 jtlin60 kernel: hde: 23579136 sectors (12073 MB), CHS=23392/16/63
Aug 3 07:42:02 jtlin60 kernel: hde:<3>bad: scheduling while atomic!
Aug 3 07:42:02 jtlin60 kernel: Call Trace:
Aug 3 07:42:02 jtlin60 kernel: [<c011502d>] schedule+0x2d/0x2ec
Aug 3 07:42:02 jtlin60 kernel: [<c01ba3e0>] blk_run_queues+0x68/0x7c
Aug 3 07:42:02 jtlin60 kernel: [<c0115d8e>] io_schedule+0xe/0x18
Aug 3 07:42:02 jtlin60 kernel: [<c0141984>] __wait_on_buffer+0x98/0xb0
Aug 3 07:42:02 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:02 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:02 jtlin60 kernel: [<c014458f>] sync_dirty_buffer+0x7f/0x90
Aug 3 07:42:02 jtlin60 kernel: [<c01788d9>] journal_commit_transaction+0x9b9/0xe30
Aug 3 07:42:02 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:02 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:02 jtlin60 kernel: [<c011dc59>] update_wall_time+0xd/0x38
Aug 3 07:42:03 jtlin60 kernel: [<c011df1d>] do_timer+0x4d/0xec
Aug 3 07:42:03 jtlin60 kernel: [<c010dd3b>] timer_interrupt+0x1f/0x100
Aug 3 07:42:03 jtlin60 kernel: [<c011aa81>] do_softirq+0x51/0xac
Aug 3 07:42:03 jtlin60 kernel: [<c010a76d>] do_IRQ+0xdd/0xf0
Aug 3 07:42:03 jtlin60 kernel: [<c0115302>] default_wake_function+0x16/0x18
Aug 3 07:42:03 jtlin60 kernel: [<c0115285>] schedule+0x285/0x2ec
Aug 3 07:42:03 jtlin60 kernel: [<c017a86f>] kjournald+0xa7/0x1c8
Aug 3 07:42:03 jtlin60 kernel: [<c017a7c8>] kjournald+0x0/0x1c8
Aug 3 07:42:04 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:04 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:04 jtlin60 kernel: [<c017a7b0>] commit_timeout+0x0/0x10
Aug 3 07:42:04 jtlin60 kernel: [<c0107079>] kernel_thread_helper+0x5/0xc
Aug 3 07:42:02 jtlin60 cardmgr[641]: executing: './ide start hde'
Aug 3 07:42:04 jtlin60 kernel:
Aug 3 07:42:04 jtlin60 kernel: bad: scheduling while atomic!
Aug 3 07:42:04 jtlin60 kernel: Call Trace:
Aug 3 07:42:05 jtlin60 kernel: [<c011502d>] schedule+0x2d/0x2ec
Aug 3 07:42:05 jtlin60 kernel: [<c017a92e>] kjournald+0x166/0x1c8
Aug 3 07:42:05 jtlin60 kernel: [<c017a7c8>] kjournald+0x0/0x1c8
Aug 3 07:42:05 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:05 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:05 jtlin60 kernel: [<c017a7b0>] commit_timeout+0x0/0x10
Aug 3 07:42:05 jtlin60 kernel: [<c0107079>] kernel_thread_helper+0x5/0xc
Aug 3 07:42:06 jtlin60 kernel:
Aug 3 07:42:06 jtlin60 kernel: ke_function+0x0/0x38
Aug 3 07:42:06 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:06 jtlin60 kernel: [<c0178677>] journal_commit_transaction+0x757/0xe30
Aug 3 07:42:06 jtlin60 kernel: [<c0129db7>] __print_symbol+0x103/0x110
Aug 3 07:42:06 jtlin60 kernel: [<c01b50f8>] vt_console_print+0x2b0/0x2c4
Aug 3 07:42:07 jtlin60 kernel: [<c0118087>] __call_console_drivers+0x3b/0x50
Aug 3 07:42:07 jtlin60 kernel: [<c01180ec>] _call_console_drivers+0x50/0x58
Aug 3 07:42:07 jtlin60 kernel: [<c01181d0>] call_console_drivers+0xdc/0xe4
Aug 3 07:42:07 jtlin60 kernel: [<c01183bd>] release_console_sem+0x31/0x8c
Aug 3 07:42:07 jtlin60 kernel: [<c0118343>] printk+0xff/0x110
Aug 3 07:42:07 jtlin60 kernel: [<c01094e4>] show_trace+0x84/0x8c
Aug 3 07:42:07 jtlin60 kernel: [<c0115285>] schedule+0x285/0x2ec
Aug 3 07:42:08 jtlin60 kernel: [<c017a86f>] kjournald+0xa7/0x1c8
Aug 3 07:42:08 jtlin60 kernel: [<c017a7c8>] kjournald+0x0/0x1c8
Aug 3 07:42:08 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:08 jtlin60 kernel: [<c0116364>] autoremove_wake_function+0x0/0x38
Aug 3 07:42:08 jtlin60 kernel: [<c017a7b0>] commit_timeout+0x0/0x10
Aug 3 07:42:08 jtlin60 kernel: [<c0107079>] kernel_thread_helper+0x5/0xc
Aug 3 07:42:08 jtlin60 kernel:
Aug 3 07:42:09 jtlin60 kernel: bad: scheduling while atomic!
Aug 3 07:42:09 jtlin60 kernel: Call Trace:
Aug 3 07:42:09 jtlin60 kernel: [<c011502d>] schedule+0x2d/0x2ec
Aug 3 07:42:09 jtlin60 kernel: [<c01ba3e0>] blk_run_queues+0x68/0x7c
Aug 3 07:42:09 jtlin60 kernel: [<c0115d8e>] io_sc
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