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SubjectRe: 2.6.3 oops at kobject_unregister, alsa & aic7xxx
From
Date
> 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 have no aic7xxx card in this machine anymore, yet aic7xxx is still
loaded at bootup from /etc/modules, which fails. Yes.

The oops itself happens when "alsa is shutting down..." before reboot,
and it freezes the machine (forgot to mention that).

This error is fully reproducible, anyone who wants to send me patches
just send a message and i'll test them if you wish.

Alex

> > 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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