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SubjectRe: 2.6.3 oops at kobject_unregister, alsa & aic7xxx
Alexander Nyberg <alexn@telia.com> wrote:
>
> This happens at shutdown when alsa is to close down. I'm running debian
> sid. NOTE: I recently removed my aic7xxx out of the motherboard, so the
> driver obviously can't find it. But if I remove aic7xxx from the modules
> list, this oops does _not_ happen.

That's useful infomation. It indicates that the aic7xxx driver is screwing
up the kobject lists.

Just to confirm: are you saying that the aic7xxx driver is loaded at the
tie of the oops, but there is no aic7xxx hardware present in the machine?


> I only had 2.6.3-rc1 available, and it behaved the same way.
>
> alex@testme:~$ cat /etc/modules
> 3c59x
> snd-emu10k1
> aha152x io=0x340 irq=9 reconnect=1
> sd_mod
> aic7xxx
> st
>
>
> testme:~# Unable to handle kernel paging request at virtual address
> e09e16dc
> printing eip:
> c01c0c43
> *pde = 1fe87067
> *pte = 00000000
> Oops: 0002 [#1]
> CPU: 0
> EIP: 0060:[<c01c0c43>] Not tainted
> EFLAGS: 00010246
> EIP is at unlink+0x33/0x70
> eax: e089c4f8 ebx: e089c4dc ecx: c02bfed8 edx: e09e16d8
> esi: c02b7e20 edi: c02b2238 ebp: 00000000 esp: df7b7f1c
> ds: 007b es: 007b ss: 0068
> Process modprobe (pid: 445, threadinfo=df7b6000 task=de5c8720)
> Stack: e089c4dc c02b7e20 c01c0f43 e089c4dc e089c4c4 c01eacce e089c4dc
> e089c4c4
> 00000080 c01eb0c3 e089c4c4 e089d040 c01c62e2 e089c4c4 e0895baf
> e089c4a0
> c012d609 e089d040 0804e320 0000003b 00000000 5f646e73 31756d65
> 00316b30
> Call Trace:
> [<c01c0f43>] kobject_unregister+0x13/0x30
> [<c01eacce>] bus_remove_driver+0x5e/0x80
> [<c01eb0c3>] driver_unregister+0x13/0x28
> [<c01c62e2>] pci_unregister_driver+0x12/0x20
> [<e0895baf>] alsa_card_emu10k1_exit+0xf/0x35 [snd_emu10k1]
> [<c012d609>] sys_delete_module+0x139/0x1b0
> [<c013f1eb>] do_munmap+0x11b/0x150
> [<c0108c9f>] syscall_call+0x7/0xb
>
> Code: 89 4a 04 89 11 89 40 04 89 43 1c 8b 43 28 8b 30 8d 4e 48 89
>
> alex@boxen:/home/devel/fixme$ dec.pl 89 4a 04 89 11 89 40 04 89 43 1c 8b
> 43 28 8b 30 8d 4e 48 89
> (gdb) disass dme
> Dump of assembler code for function dme:
> 0x08049470 <dme+0>: mov %ecx,0x4(%edx)
> 0x08049473 <dme+3>: mov %edx,(%ecx)
> 0x08049475 <dme+5>: mov %eax,0x4(%eax)
> 0x08049478 <dme+8>: mov %eax,0x1c(%ebx)
> 0x0804947b <dme+11>: mov 0x28(%ebx),%eax
> 0x0804947e <dme+14>: mov (%eax),%esi
> 0x08049480 <dme+16>: lea 0x48(%esi),%ecx
> 0x08049483 <dme+19>: mov %eax,(%eax)
> 0x08049485 <dme+21>: add %al,(%eax)
> 0x08049487 <dme+23>: add %al,(%eax)
> End of assembler dump.
> (gdb) q
>
>
>
> alex@testme:~$ dmesg
> Linux version 2.6.3 (alex@testme) (gcc version 3.3.3 20040125
> (prerelease) (Debian)) #2 Thu Feb 19 23:37:37 CET 2004
> BIOS-provided physical RAM map:
> BIOS-e820: 0000000000000000 - 000000000009fc00 (usable)
> BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved)
> BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
> BIOS-e820: 0000000000100000 - 000000001fff0000 (usable)
> BIOS-e820: 000000001fff0000 - 000000001fff3000 (ACPI NVS)
> BIOS-e820: 000000001fff3000 - 0000000020000000 (ACPI data)
> BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved)
> 511MB LOWMEM available.
> On node 0 totalpages: 131056
> DMA zone: 4096 pages, LIFO batch:1
> Normal zone: 126960 pages, LIFO batch:16
> HighMem zone: 0 pages, LIFO batch:1
> DMI 2.3 present.
> Built 1 zonelists
> Kernel command line: root=/dev/hda2 console=tty0 console=ttyS0,19200
> console=ttyS1,9600
> Local APIC disabled by BIOS -- reenabling.
> Found and enabled local APIC!
> Initializing CPU#0
> PID hash table entries: 2048 (order 11: 16384 bytes)
> Detected 1400.299 MHz processor.
> Using tsc for high-res timesource
> Console: colour VGA+ 80x25
> Memory: 515768k/524224k available (1494k kernel code, 7692k reserved,
> 463k data, 388k init, 0k highmem)
> Checking if this processor honours the WP bit even in supervisor mode...
> Ok.
> Calibrating delay loop... 2752.51 BogoMIPS
> Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
> Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
> Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
> CPU: After generic identify, caps: 0183fbff c1c7fbff 00000000
> 00000000
> CPU: After vendor identify, caps: 0183fbff c1c7fbff 00000000
> 00000000
> CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
> CPU: L2 Cache: 256K (64 bytes/line)
> CPU: After all inits, caps: 0183fbff c1c7fbff 00000000 00000020
> Intel machine check architecture supported.
> Intel machine check reporting enabled on CPU#0.
> CPU: AMD Athlon(tm) processor stepping 04
> Enabling fast FPU save and restore... done.
> Checking 'hlt' instruction... OK.
> POSIX conformance testing by UNIFIX
> enabled ExtINT on CPU#0
> ESR value before enabling vector: 00000000
> ESR value after enabling vector: 00000000
> Using local APIC timer interrupts.
> calibrating APIC timer ...
> ..... CPU clock speed is 1399.0810 MHz.
> ..... host bus clock speed is 266.0630 MHz.
> NET: Registered protocol family 16
> EISA bus registered
> PCI: PCI BIOS revision 2.10 entry at 0xfb4e0, last bus=1
> PCI: Using configuration type 1
> mtrr: v2.0 (20020519)
> Linux Plug and Play Support v0.97 (c) Adam Belay
> pnp: the driver 'system' has been registered
> PCI: Probing PCI hardware
> PCI: Probing PCI hardware (bus 00)
> Disabling VIA memory write queue (PCI ID 0305, rev 03): [55] 89 & 1f ->
> 09
> PCI: Using IRQ router VIA [1106/0686] at 0000:00:07.0
> spurious 8259A interrupt: IRQ7.
> Machine check exception polling timer started.
> Initializing Cryptographic API
> Applying VIA southbridge workaround.
> PCI: Disabling Via external APIC routing
> Real Time Clock Driver v1.12
> 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
> pnp: the driver 'serial' has been registered
> PCI: Found IRQ 11 for device 0000:00:0d.0
> PCI: Sharing IRQ 11 with 0000:00:0f.0
> 3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
> 0000:00:0d.0: 3Com PCI 3c905C Tornado at 0xdc00. Vers LK1.1.19
> Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
> ide: Assuming 33MHz system bus speed for PIO modes; override with
> idebus=xx
> VP_IDE: IDE controller at PCI slot 0000:00:07.1
> VP_IDE: chipset revision 6
> VP_IDE: not 100% native mode: will probe irqs later
> ide: Assuming 33MHz system bus speed for PIO modes; override with
> idebus=xx
> VP_IDE: VIA vt82c686b (rev 40) IDE UDMA100 controller on pci0000:00:07.1
> ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:DMA
> ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:pio, hdd:pio
> hda: SAMSUNG SV2001H, ATA DISK drive
> hdb: CD-ROM 52X/AKH, ATAPI CD/DVD-ROM drive
> Using anticipatory io scheduler
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> hda: max request size: 128KiB
> hda: 39179952 sectors (20060 MB) w/2048KiB Cache, CHS=38869/16/63,
> UDMA(100)
> hda: hda1 hda2 hda3 hda4
> mice: PS/2 mouse device common for all mice
> serio: i8042 AUX port at 0x60,0x64 irq 12
> input: ImPS/2 Logitech Wheel Mouse on isa0060/serio1
> serio: i8042 KBD port at 0x60,0x64 irq 1
> input: AT Translated Set 2 keyboard on isa0060/serio0
> NET: Registered protocol family 2
> IP: routing cache hash table of 4096 buckets, 32Kbytes
> TCP: Hash tables configured (established 32768 bind 65536)
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> EXT3-fs: INFO: recovery required on readonly filesystem.
> EXT3-fs: write access will be enabled during recovery.
> kjournald starting. Commit interval 5 seconds
> EXT3-fs: recovery complete.
> EXT3-fs: mounted filesystem with ordered data mode.
> VFS: Mounted root (ext3 filesystem) readonly.
> Freeing unused kernel memory: 388k freed
> Adding 488368k swap on /dev/hda3. Priority:-1 extents:1
> EXT3 FS on hda2, internal journal
> PCI: Found IRQ 11 for device 0000:00:0f.0
> PCI: Sharing IRQ 11 with 0000:00:0d.0
> SCSI subsystem initialized
> aha152x: BIOS test: passed, 1 controller(s) configured
> aha152x: resetting bus...
> aha152x0: vital data: rev=1, io=0x340 (0x340/0x340), irq=9, scsiid=7,
> reconnect=enabled, parity=enabled, synchronous=enabled, delay=1000,
> extended translation=disabled
> aha152x0: trying software interrupt, ok.
> scsi0 : Adaptec 152x SCSI driver; $Revision: 2.7 $
> st: Version 20040122, fixed bufsize 32768, s/g segs 256
> nfs warning: mount version older than kernel
>
>
>
> alex@testme:~$ lspci -v
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133]
> (rev 03)
> Subsystem: ABIT Computer Corp. KT7/KT7-RAID/KT7A/KT7A-RAID
> Mainboard
> Flags: bus master, medium devsel, latency 8
> Memory at d8000000 (32-bit, prefetchable) [size=64M]
> Capabilities: <available only to root>
>
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP]
> (prog-if 00 [Normal decode])
> Flags: bus master, 66Mhz, medium devsel, latency 0
> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
> Memory behind bridge: dc000000-ddffffff
> Prefetchable memory behind bridge: d0000000-d7ffffff
> Capabilities: <available only to root>
>
> 00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South]
> (rev 40)
> Subsystem: ABIT Computer Corp.: Unknown device 0000
> Flags: bus master, stepping, medium devsel, latency 0
> Capabilities: <available only to root>
>
> 00:07.1 IDE interface: VIA Technologies, Inc.
> VT82C586A/B/VT82C686/A/B/VT8233/A/C/VT8235 PIPC Bus Master IDE (rev 06)
> (prog-if 8a [Master SecP PriP])
> Subsystem: VIA Technologies, Inc.
> VT82C586/B/VT82C686/A/B/VT8233/A/C/VT8235 PIPC Bus Master IDE
> Flags: bus master, medium devsel, latency 32
> I/O ports at d000 [size=16]
> Capabilities: <available only to root>
>
>
> 00:07.2 USB Controller: VIA Technologies, Inc. USB (rev 16) (prog-if 00
> [UHCI])
> Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at d400 [size=32]
> Capabilities: <available only to root>
>
> 00:07.3 USB Controller: VIA Technologies, Inc. USB (rev 16) (prog-if 00
> [UHCI])
> Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at d800 [size=32]
> Capabilities: <available only to root>
>
> 00:07.4 Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev
> 40)
> Subsystem: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
> Flags: medium devsel, IRQ 11
> Capabilities: <available only to root>
>
> 00:09.0 VGA compatible controller: Matrox Graphics, Inc. MGA 2064W
> [Millennium] (rev 01) (prog-if 00 [VGA])
> Flags: stepping, medium devsel, IRQ 5
> Memory at de000000 (32-bit, non-prefetchable) [disabled]
> [size=16K]
> Memory at df000000 (32-bit, prefetchable) [disabled] [size=8M]
> Expansion ROM at <unassigned> [disabled] [size=64K]
>
> 00:0d.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado]
> (rev 74)
> Subsystem: 3Com Corporation 3C905C-TX Fast Etherlink for PC
> Management NIC
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at dc00 [size=128]
> Memory at e1000000 (32-bit, non-prefetchable) [size=128]
> Expansion ROM at <unassigned> [disabled] [size=128K]
> Capabilities: <available only to root>
>
> 00:0f.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev
> 0a)
> Subsystem: Creative Labs: Unknown device 8066
> Flags: bus master, medium devsel, latency 32, IRQ 11
> I/O ports at e000 [size=32]
> Capabilities: <available only to root>
>
> 00:0f.1 Input device controller: Creative Labs SB Live! MIDI/Game Port
> (rev 0a)
> Subsystem: Creative Labs Gameport Joystick
> Flags: bus master, medium devsel, latency 32
> I/O ports at e400 [size=8]
> Capabilities: <available only to root>
>
> 01:00.0 VGA compatible controller: nVidia Corporation NV15 [GeForce2
> GTS/Pro] (rev a3) (prog-if 00 [VGA])
> Subsystem: LeadTek Research Inc. WinFast GeForce2 GTS with TV
> output
> Flags: bus master, VGA palette snoop, 66Mhz, medium devsel,
> latency 32, IRQ 10
> Memory at dc000000 (32-bit, non-prefetchable) [size=16M]
> Memory at d0000000 (32-bit, prefetchable) [size=128M]
> Expansion ROM at <unassigned> [disabled] [size=64K]
> Capabilities: <available only to root>
>
>
>
>
>
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