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SubjectBadness in pci_find_subsys & sleeping function called from invalid context

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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