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    SubjectRe: Badness in pci_find_subsys & sleeping function called from invalid context
    Forgot to include the "Badness in pci_find_subsys" bits of the log - here
    you are.
    Original message below.

    ec 22 19:10:45 dragon kernel: Badness in pci_find_subsys at
    drivers/pci/search.c:132
    Dec 22 19:10:45 dragon kernel: Call Trace:
    Dec 22 19:10:45 dragon kernel: [<c01fcb15>] pci_find_subsys+0xe5/0xf0
    Dec 22 19:10:45 dragon kernel: [<c01fcb4f>] pci_find_device+0x2f/0x40
    Dec 22 19:10:45 dragon kernel: [<c01fca08>] pci_find_slot+0x28/0x50
    Dec 22 19:10:45 dragon kernel: [<e1e7157a>] os_pci_init_handle+0x3a/0x70 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1d462af>] __nvsym00057+0x1f/0x24 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1e56808>] __nvsym04875+0xf8/0x170 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1dd92ed>] __nvsym03749+0x41/0xbc [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1e565da>] __nvsym00780+0x21a/0x224 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1dd9c94>] __nvsym03741+0x74/0x88 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1dd8c5a>] __nvsym03751+0x5a2/0x8a4 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1e1d233>] __nvsym00688+0x1e3/0x338 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1d489b9>] __nvsym00827+0xd/0x1c [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1d4a054>] rm_isr_bh+0xc/0x10 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<c011f246>] tasklet_action+0x46/0x70
    Dec 22 19:10:45 dragon kernel: [<c011f059>] do_softirq+0x99/0xa0
    Dec 22 19:10:45 dragon kernel: [<c010b217>] do_IRQ+0x117/0x150
    Dec 22 19:10:45 dragon kernel: [<c0109648>] common_interrupt+0x18/0x20
    Dec 22 19:10:45 dragon kernel:
    Dec 22 19:10:45 dragon kernel: Badness in pci_find_subsys at
    drivers/pci/search.c:132
    Dec 22 19:10:45 dragon kernel: Call Trace:
    Dec 22 19:10:45 dragon kernel: [<c01fcb15>] pci_find_subsys+0xe5/0xf0
    Dec 22 19:10:45 dragon kernel: [<c01fcb4f>] pci_find_device+0x2f/0x40
    Dec 22 19:10:45 dragon kernel: [<c01fca08>] pci_find_slot+0x28/0x50
    Dec 22 19:10:45 dragon kernel: [<e1e7157a>] os_pci_init_handle+0x3a/0x70 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1d462af>] __nvsym00057+0x1f/0x24 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1dda8e2>] __nvsym03763+0x72/0xe0 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1e1f3f1>] __nvsym04466+0x15/0x78 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1e56837>] __nvsym04875+0x127/0x170 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1dd92ed>] __nvsym03749+0x41/0xbc [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1e565da>] __nvsym00780+0x21a/0x224 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1dd9c94>] __nvsym03741+0x74/0x88 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1dd8c5a>] __nvsym03751+0x5a2/0x8a4 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1e1d233>] __nvsym00688+0x1e3/0x338 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1d489b9>] __nvsym00827+0xd/0x1c [nvidia]
    Dec 22 19:10:45 dragon kernel: [<e1d4a054>] rm_isr_bh+0xc/0x10 [nvidia]
    Dec 22 19:10:45 dragon kernel: [<c011f246>] tasklet_action+0x46/0x70
    Dec 22 19:10:45 dragon kernel: [<c011f059>] do_softirq+0x99/0xa0
    Dec 22 19:10:45 dragon kernel: [<c010b217>] do_IRQ+0x117/0x150
    Dec 22 19:10:45 dragon kernel: [<c0109648>] common_interrupt+0x18/0x20
    Dec 22 19:10:45 dragon kernel:


    On Mon, 22 Dec 2003, Jesper Juhl wrote:

    >
    > After upgrading to 2.6.0 (from 2.4.22)I'm getting a lot of the below
    > messages in my logs.
    > I'm well aware that this might purely be a problem with the binary Nvidia
    > drivers I'm using with my Geforce3, especially since I had to use the patches
    > available from http://www.minion.de/ to be able to use those drivers at all,
    > but I thought I would report it anyway, in case the nvidia drivers
    > are simply exposing a real kernel bug somewhere that can be fixed without
    > available nvidia source.
    >
    > Dec 22 17:30:51 dragon kernel: Debug: sleeping function called from
    > invalid context at mm/slab.c:1856
    > Dec 22 17:30:51 dragon kernel: in_atomic():1, irqs_disabled():0
    > Dec 22 17:30:51 dragon kernel: Call Trace:
    > Dec 22 17:30:51 dragon kernel: [<c0118deb>] __might_sleep+0xab/0xd0
    > Dec 22 17:30:51 dragon kernel: [<c013aff5>] kmem_cache_alloc+0x65/0x70
    > Dec 22 17:30:51 dragon kernel: [<c0149821>] __get_vm_area+0x21/0x100
    > Dec 22 17:30:51 dragon kernel: [<c0149933>] get_vm_area+0x33/0x40
    > Dec 22 17:30:51 dragon kernel: [<c0116193>] __ioremap+0xb3/0x100
    > Dec 22 17:30:51 dragon kernel: [<c0116209>] ioremap_nocache+0x29/0xb0
    > Dec 22 17:30:51 dragon kernel: [<e1e71915>] os_map_kernel_space+0x45/0x70 [nvidia]
    > Dec 22 17:30:51 dragon kernel: [<e1d46377>] __nvsym00568+0x1f/0x2c [nvidia]
    > Dec 22 17:30:51 dragon kernel: [<e1d48496>] __nvsym00775+0x6e/0xe0 [nvidia]
    > Dec 22 17:30:51 dragon kernel: [<e1d48526>] __nvsym00781+0x1e/0x190 [nvidia]
    > Dec 22 17:30:51 dragon kernel: [<e1d49fac>] rm_init_adapter+0xc/0x10 [nvidia]
    > Dec 22 17:30:51 dragon kernel: [<e1e6e3e1>] nv_kern_open+0x121/0x230 [nvidia]
    > Dec 22 17:30:51 dragon kernel: [<c0158334>] chrdev_open+0xf4/0x220
    > Dec 22 17:30:51 dragon kernel: [<c014e39b>] dentry_open+0x14b/0x220
    > Dec 22 17:30:51 dragon kernel: [<c014e240>] filp_open+0x60/0x70
    > Dec 22 17:30:51 dragon kernel: [<c014e6e3>] sys_open+0x53/0x90
    > Dec 22 17:30:51 dragon kernel: [<c01094db>] syscall_call+0x7/0xb
    > Dec 22 17:30:51 dragon kernel:
    > Dec 22 17:30:52 dragon kernel: Debug: sleeping function called from invalid context at mm/slab.c:1856
    > Dec 22 17:30:52 dragon kernel: in_atomic():1, irqs_disabled():0
    > Dec 22 17:30:52 dragon kernel: Call Trace:
    > Dec 22 17:30:52 dragon kernel: [<c0118deb>] __might_sleep+0xab/0xd0
    > Dec 22 17:30:52 dragon kernel: [<c013aff5>] kmem_cache_alloc+0x65/0x70
    > Dec 22 17:30:52 dragon kernel: [<c0149821>] __get_vm_area+0x21/0x100
    > Dec 22 17:30:52 dragon kernel: [<c0149933>] get_vm_area+0x33/0x40
    > Dec 22 17:30:52 dragon kernel: [<c0116193>] __ioremap+0xb3/0x100
    > Dec 22 17:30:52 dragon kernel: [<c0116209>] ioremap_nocache+0x29/0xb0
    > Dec 22 17:30:52 dragon kernel: [<e1e71915>] os_map_kernel_space+0x45/0x70 [nvidia]
    > Dec 22 17:30:52 dragon kernel: [<e1d46377>] __nvsym00568+0x1f/0x2c [nvidia]
    > Dec 22 17:30:52 dragon kernel: [<e1d48496>] __nvsym00775+0x6e/0xe0 [nvidia]
    > Dec 22 17:30:52 dragon kernel: [<e1d48526>] __nvsym00781+0x1e/0x190 [nvidia]
    > Dec 22 17:30:52 dragon kernel: [<e1d49fac>] rm_init_adapter+0xc/0x10 [nvidia]
    > Dec 22 17:30:52 dragon kernel: [<e1e6e3e1>] nv_kern_open+0x121/0x230 [nvidia]
    > Dec 22 17:30:52 dragon kernel: [<c0158334>] chrdev_open+0xf4/0x220
    > Dec 22 17:30:52 dragon kernel: [<c014e39b>] dentry_open+0x14b/0x220
    > Dec 22 17:30:52 dragon kernel: [<c014e240>] filp_open+0x60/0x70
    > Dec 22 17:30:52 dragon kernel: [<c014e6e3>] sys_open+0x53/0x90
    > Dec 22 17:30:52 dragon kernel: [<c01094db>] syscall_call+0x7/0xb
    > Dec 22 17:30:52 dragon kernel:
    >
    >
    > Some details about my system :
    >
    >
    > Distribution: Slackware Linux 9.1
    >
    >
    > # uname -a
    > Linux dragon 2.6.0 #3 Sun Dec 21 01:25:47 CET 2003 i686 unknown unknown GNU/Linux
    >
    >
    > # cat /proc/cpuinfo
    > processor : 0
    > vendor_id : AuthenticAMD
    > cpu family : 6
    > model : 4
    > model name : AMD Athlon(tm) Processor
    > stepping : 4
    > cpu MHz : 1400.400
    > cache size : 256 KB
    > fdiv_bug : no
    > hlt_bug : no
    > f00f_bug : no
    > coma_bug : no
    > fpu : yes
    > fpu_exception : yes
    > cpuid level : 1
    > wp : yes
    > flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov
    > pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
    > bogomips : 2760.70
    >
    >
    > # cat /proc/interrupts
    > CPU0
    > 0: 1098995 XT-PIC timer
    > 1: 4195 XT-PIC i8042
    > 2: 0 XT-PIC cascade
    > 5: 4160 XT-PIC eth0
    > 10: 24451 XT-PIC aic7xxx, CMI8738
    > 11: 89551 XT-PIC nvidia
    > 12: 16349 XT-PIC i8042
    > 14: 586 XT-PIC ide0
    > NMI: 0
    > ERR: 0
    >
    >
    > # lsmod
    > Module Size Used by
    > nvidia 1700652 10
    >
    >
    > # lspci -vvv
    > 00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-760 [IGD4-1P] System
    > Controller (rev 13)
    > 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: 32
    > Region 0: Memory at f8000000 (32-bit, prefetchable) [size=64M]
    > Region 1: Memory at f7800000 (32-bit, prefetchable) [size=4K]
    > Region 2: I/O ports at e000 [disabled] [size=4]
    > Capabilities: [a0] AGP version 2.0
    > Status: RQ=16 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64-
    > HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
    > Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP+ GART64- 64bit- FW-
    > Rate=x4
    >
    > 00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-760 [IGD4-1P] AGP
    > Bridge (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: 0
    > Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
    > I/O behind bridge: 0000e000-0000dfff
    > Memory behind bridge: ee000000-ef5fffff
    > Prefetchable memory behind bridge: ef700000-f77fffff
    > BridgeCtl: Parity- SERR- NoISA- VGA+ MAbort- >Reset- FastB2B-
    >
    > 00:04.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
    > (rev 40)
    > Subsystem: Asustek Computer, Inc. A7M266 Mainboard
    > 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
    > Capabilities: [c0] 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-
    >
    > 00:04.1 IDE interface: VIA Technologies, Inc. VT82C586/B/686A/B PIPC Bus
    > Master IDE (rev 06) (prog-if 8a [Master SecP PriP])
    > 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: 32
    > Region 4: I/O ports at d800 [size=16]
    > Capabilities: [c0] 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-
    >
    > 00:04.3 USB Controller: VIA Technologies, Inc. USB (rev 16) (prog-if 00
    > [UHCI])
    > Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
    > 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: 32, cache line size 08
    > Interrupt: pin D routed to IRQ 5
    > Region 4: I/O ports at d000 [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-
    >
    > 00:04.4 Non-VGA unclassified device: VIA Technologies, Inc. VT82C686
    > [Apollo Super ACPI] (rev 40)
    > Subsystem: Asustek Computer, Inc. A7M266 Mainboard
    > 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
    > Capabilities: [68] 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-
    >
    > 00:05.0 Multimedia audio controller: C-Media Electronics Inc CM8738 (rev
    > 10)
    > Subsystem: Asustek Computer, Inc. CMI8738 6ch-MX
    > 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: 32 (500ns min, 6000ns max)
    > Interrupt: pin A routed to IRQ 10
    > Region 0: I/O ports at a400 [size=256]
    > Capabilities: [c0] 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-
    >
    > 00:09.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev
    > 42)
    > Subsystem: D-Link System Inc DFE-530TX rev B
    > 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: 32 (750ns min, 2000ns max), cache line size 08
    > Interrupt: pin A routed to IRQ 5
    > Region 0: I/O ports at a000 [size=256]
    > Region 1: Memory at ed800000 (32-bit, non-prefetchable) [size=256]
    > Expansion ROM at <unassigned> [disabled] [size=64K]
    > Capabilities: [40] 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 SCSI storage controller: Adaptec AIC-7892A U160/m (rev 02)
    > Subsystem: Adaptec 29160N Ultra160 SCSI Controller
    > 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: 32 (10000ns min, 6250ns max), cache line size 08
    > Interrupt: pin A routed to IRQ 10
    > BIST result: 00
    > Region 0: I/O ports at 9800 [disabled] [size=256]
    > Region 1: Memory at ed000000 (64-bit, non-prefetchable) [size=4K]
    > Expansion ROM at <unassigned> [disabled] [size=128K]
    > Capabilities: [dc] 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-
    >
    > 01:05.0 VGA compatible controller: nVidia Corporation NV20 [GeForce3] (rev
    > a3) (prog-if 00 [VGA])
    > Subsystem: Asustek Computer, Inc. AGP-V8200 DDR
    > 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 (1250ns min, 250ns max)
    > Interrupt: pin A routed to IRQ 11
    > Region 0: Memory at ee000000 (32-bit, non-prefetchable) [size=16M]
    > Region 1: Memory at f0000000 (32-bit, prefetchable) [size=64M]
    > Region 2: Memory at ef800000 (32-bit, prefetchable) [size=512K]
    > Expansion ROM at ef7f0000 [disabled] [size=64K]
    > Capabilities: [60] 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-
    > Capabilities: [44] AGP version 2.0
    > Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA- ITACoh- GART64-
    > HTrans- 64bit- FW- AGP3- Rate=x1,x2,x4
    > Command: RQ=16 ArqSz=0 Cal=0 SBA- AGP+ GART64- 64bit- FW-
    > Rate=x4
    >
    >
    >
    > Kind regards,
    >
    > Jesper Juhl
    >
    > -
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