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SubjectSome bug (in sound?)
...it happened when playing mp3
It's vanilla 2.2.0 kernel. I do recall that I had similar problem some
time ago. I don't know if it's related, but I *think* it was in 2.0.33 .

Processor:
processor : 0
vendor_id : AuthenticAMD
cpu family : 5
model : 8
model name : AMD-K6(tm) 3D processor
stepping : 12
cpu MHz : 400.915054
fdiv_bug : no
hlt_bug : no
sep_bug : no
f00f_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr mce cx8 sep pge mmx 3dnow
bogomips : 799.54

I attach the dmesg log and ksymoops output

--Roman Shterenzon, System Administrator
[ Xpert UNIX Systems Ltd., Bnei-Brak, Israel. Tel: +972-3-6181118 ]
Options used: -V (default)
-o /lib/modules/2.2.0/ (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-m /usr/src/linux/System.map (default)
-c 1 (default)

You did not tell me where to find symbol information. I will assume
that the log matches the kernel and modules that are running right now
and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 01324000, %cr3 = 01324000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c011ed19>]
EFLAGS: 00010286
eax: 0000003b ebx: c02f36e0 ecx: c02116d2 edx: c0ee4000
esi: c09962a0 edi: 00000286 ebp: 00000000 esp: c1327ecc
ds: 0018 es: 0018 ss: 0018
Process gqmpeg (pid: 366, process nr: 32, stackpage=c1327000)
Stack: 000000aa 00000000 00000300 c099631c c3bc2000 c01115f0 c02f36e0 c09962a0
c09962a0 c09962a0 c09962a0 c1f6e000 c0146142 c09962a0 c014679a c1f6e000
00006215 c3bc2000 c01eee3c 00000400 0000000b 402fa044 ffffffff c0123d19
Call Trace: [<c01115f0>] [<c0146142>] [<c014679a>] [<c0123d19>] [<c0146fef>] [<c01470e9>] [<c0122f62>]
[<c0108918>]
Code: c7 05 00 00 00 00 00 00 00 00 5b 5e 5f 5d 83 c4 0c c3 90 53

>>EIP: c011ed19 <kmem_cache_free+151/170>
Trace: c01115f0 <mmput+30/38>
Trace: c0146142 <release_task+26/2c>
Trace: c014679a <get_stat+26a/278>
Trace: c0123d19 <__wait_on_buffer+89/c4>
Trace: c0146fef <get_process_array+6f/88>
Trace: c01470e9 <array_read+e1/238>
Trace: c0122f62 <sys_read+be/dc>
Trace: c0108918 <system_call+34/38>
Code: c011ed19 <kmem_cache_free+151/170> 00000000 <_EIP>:
Code: c011ed19 <kmem_cache_free+151/170> 0: c7 05 00 00 00 movl $0x0,0x0
Code: c011ed1e <kmem_cache_free+156/170> 5: 00 00 00 00 00
Code: c011ed23 <kmem_cache_free+15b/170> a: 5b popl %ebx
Code: c011ed24 <kmem_cache_free+15c/170> b: 5e popl %esi
Code: c011ed25 <kmem_cache_free+15d/170> c: 5f popl %edi
Code: c011ed26 <kmem_cache_free+15e/170> d: 5d popl %ebp
Code: c011ed27 <kmem_cache_free+15f/170> e: 83 c4 0c addl $0xc,%esp
Code: c011ed2a <kmem_cache_free+162/170> 11: c3 ret
Code: c011ed2b <kmem_cache_free+163/170> 12: 90 nop
Code: c011ed2c <kmem_cache_free+164/170> 13: 53 pushl %ebx

Unable to handle kernel NULL pointer dereference at virtual address 00000008
current->tss.cr3 = 03adb000, %cr3 = 03adb000
*pde = c3adb000
Oops: 0000
CPU: 0
EIP: 0010:[<c011af7e>]
EFLAGS: 00013286
eax: 00000000 ebx: 00018000 ecx: c317a380 edx: c02ece00
esi: 00000008 edi: 00000000 ebp: 00000000 esp: c1f6fbcc
ds: 0018 es: 0018 ss: 0018
Process mpg123 (pid: 25109, process nr: 40, stackpage=c1f6f000)
Stack: 00000000 0001f000 c023f5f4 c011bc94 c317a380 00018000 00000000 c3d20b60
c1f6e000 00000001 c1b721a0 00000000 c023f614 c1044000 c317a380 c0119720
c3d20b60 08068000 00000001 c1f6e000 08068de8 c3d20b60 00000001 c1328b60
Call Trace: [<c011bc94>] [<c0119720>] [<c011987c>] [<c010dc2f>] [<c0108a1d>] [<c01c285e>] [<c012f595>]
[<c01306ca>] [<c0128c87>] [<c0128edb>] [<c0128f00>] [<c010785f>] [<c0108918>]
Code: 8b 70 08 8b 7c 24 1c 81 e7 00 f0 ff ff 85 ed 75 16 31 d2 b8

>>EIP: c011af7e <try_to_read_ahead+12/12c>
Trace: c011bc94 <filemap_nopage+190/328>
Trace: c0119720 <do_no_page+54/e4>
Trace: c011987c <handle_mm_fault+cc/168>
Trace: c010dc2f <do_page_fault+117/32c>
Trace: c0108a1d <error_code+2d/34>
Trace: c01c285e <clear_user+3a/48>
Trace: c012f595 <padzero+1d/24>
Trace: c01306ca <load_elf_binary+a3a/b50>
Code: c011af7e <try_to_read_ahead+12/12c> 00000000 <_EIP>:
Code: c011af7e <try_to_read_ahead+12/12c> 0: 8b 70 08 movl 0x8(%eax),%esi
Code: c011af81 <try_to_read_ahead+15/12c> 3: 8b 7c 24 1c movl 0x1c(%esp,1),%edi
Code: c011af85 <try_to_read_ahead+19/12c> 7: 81 e7 00 f0 ff andl $0xfffff000,%edi
Code: c011af8a <try_to_read_ahead+1e/12c> c: ff
Code: c011af8b <try_to_read_ahead+1f/12c> d: 85 ed testl %ebp,%ebp
Code: c011af8d <try_to_read_ahead+21/12c> f: 75 16 jne 27 <_EIP+0x27> c011afa5 <try_to_read_ahead+39/12c>
Code: c011af8f <try_to_read_ahead+23/12c> 11: 31 d2 xorl %edx,%edx
Code: c011af91 <try_to_read_ahead+25/12c> 13: b8 00 00 00 00 movl $0x0,%eax


2 warnings issued. Results may not be reliable.
Linux version 2.2.0 (root@mapc.lk.net) (gcc version 2.7.2.3) #1 Wed Jan 27 15:48:57 IST 1999
Detected 400915054 Hz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 799.54 BogoMIPS
Memory: 63148k/65536k available (920k kernel code, 408k reserved, 1000k data, 60k init)
CPU: AMD AMD-K6(tm) 3D processor stepping 0c
Checking 386/387 coupling... OK, FPU using exception 16 error reporting.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
PCI: PCI BIOS revision 2.10 entry at 0xfb4a0
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: 00:38 [1106/0586]: Work around ISA DMA hangs (00)
Activating ISA DMA hang workarounds.
Linux NET4.0 for Linux 2.2
Based upon Swansea University Computer Society NET3.039
NET4: Unix domain sockets 1.0 for Linux NET4.0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
Starting kswapd v 1.5
matroxfb: Matrox Millennium G200 (AGP) detected
matroxfb: MTRR's turned on
matroxfb: 640x480x8bpp (virtual: 640x13100)
matroxfb: framebuffer at 0xEC000000, mapped to 0xc4805000, size 8388608
Console: switching to colour frame buffer device 80x30
fb0: MATROX VGA frame buffer device
Serial driver version 4.27 with no serial options enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
ttyS02 at 0x03e8 (irq = 4) is a 16550A
pty: 256 Unix98 ptys configured
Real Time Clock Driver v1.09
VP_IDE: IDE controller on PCI bus 00 dev 39
VP_IDE: not 100% native mode: will probe irqs later
ide0: BM-DMA at 0xe000-0xe007, BIOS settings: hda:DMA, hdb:DMA
ide0: VIA Bus-Master (U)DMA Timing Config Success
ide1: BM-DMA at 0xe008-0xe00f, BIOS settings: hdc:DMA, hdd:DMA
ide1: VIA Bus-Master (U)DMA Timing Config Success
hda: QUANTUM FIREBALL EL5.1A, ATA DISK drive
hdc: WDC AC21600H, ATA DISK drive
hdd: no response (status = 0x80), resetting drive
hdd: GCD-R580B, ATAPI CDROM drive
ide2: ports already in use, skipping probe
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: QUANTUM FIREBALL EL5.1A, 4892MB w/418kB Cache, CHS=10602/15/63, UDMA
hdc: WDC AC21600H, 1549MB w/128kB Cache, CHS=3148/16/63, DMA
hdd: status timeout: status=0xd0 { Busy }
hdd: DMA disabled
hdd: drive not ready for command
hdd: ATAPI reset complete
hdd: ATAPI 8X CD-ROM drive, 256kB Cache
Uniform CDROM driver Revision: 2.52
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
Partition check:
hda: hda1 hda2 hda3 < hda5 hda6 hda7 >
hdc: [PTBL] [787/64/63] hdc1 hdc2 hdc3
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 60k freed
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
hda: DMA disabled
ide0: reset: success
Adding Swap: 65640k swap-space (priority -1)
tty_io.c: process 39 (setserial) used obsolete /dev/cua2 - update software to use /dev/ttyS2
ne2k-pci.c:v0.99L 2/7/98 D. Becker/P. Gortmaker http://cesdis.gsfc.nasa.gov/linux/drivers/ne2k-pci.html
ne2k-pci.c: PCI NE2000 clone 'RealTek RTL-8029' at I/O 0xe800, IRQ 10.
eth0: PCI NE2000 found at 0xe800, IRQ 10, 00:40:05:56:66:A7.
Soundblaster audio driver Copyright (C) by Hannu Savolainen 1993-1996
SB 4.13 detected OK (220)
YM3812 and OPL-3 driver Copyright (C) by Hannu Savolainen, Rob Hooft 1993-1996
CSLIP: code copyright 1989 Regents of the University of California
PPP: version 2.3.3 (demand dialling)
PPP line discipline registered.
registered device ppp0
free_one_pmd: bad directory entry c2a42000
kmem_free: Bad obj addr (objp=c09962a0, name=mm_struct)
Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 01324000, %cr3 = 01324000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c011ed19>]
EFLAGS: 00010286
eax: 0000003b ebx: c02f36e0 ecx: c02116d2 edx: c0ee4000
esi: c09962a0 edi: 00000286 ebp: 00000000 esp: c1327ecc
ds: 0018 es: 0018 ss: 0018
Process gqmpeg (pid: 366, process nr: 32, stackpage=c1327000)
Stack: 000000aa 00000000 00000300 c099631c c3bc2000 c01115f0 c02f36e0 c09962a0
c09962a0 c09962a0 c09962a0 c1f6e000 c0146142 c09962a0 c014679a c1f6e000
00006215 c3bc2000 c01eee3c 00000400 0000000b 402fa044 ffffffff c0123d19
Call Trace: [<c01115f0>] [<c0146142>] [<c014679a>] [<c0123d19>] [<c0146fef>] [<c01470e9>] [<c0122f62>]
[<c0108918>]
Code: c7 05 00 00 00 00 00 00 00 00 5b 5e 5f 5d 83 c4 0c c3 90 53
Unable to handle kernel NULL pointer dereference at virtual address 00000008
current->tss.cr3 = 03adb000, %cr3 = 03adb000
*pde = c3adb000
Oops: 0000
CPU: 0
EIP: 0010:[<c011af7e>]
EFLAGS: 00013286
eax: 00000000 ebx: 00018000 ecx: c317a380 edx: c02ece00
esi: 00000008 edi: 00000000 ebp: 00000000 esp: c1f6fbcc
ds: 0018 es: 0018 ss: 0018
Process mpg123 (pid: 25109, process nr: 40, stackpage=c1f6f000)
Stack: 00000000 0001f000 c023f5f4 c011bc94 c317a380 00018000 00000000 c3d20b60
c1f6e000 00000001 c1b721a0 00000000 c023f614 c1044000 c317a380 c0119720
c3d20b60 08068000 00000001 c1f6e000 08068de8 c3d20b60 00000001 c1328b60
Call Trace: [<c011bc94>] [<c0119720>] [<c011987c>] [<c010dc2f>] [<c0108a1d>] [<c01c285e>] [<c012f595>]
[<c01306ca>] [<c0128c87>] [<c0128edb>] [<c0128f00>] [<c010785f>] [<c0108918>]
Code: 8b 70 08 8b 7c 24 1c 81 e7 00 f0 ff ff 85 ed 75 16 31 d2 b8
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