2.5.70-mm2, modprobe mga oops, modutils hangs -> machine unbootable

Pasi Savolainen (psavo@iki.fi)
Fri, 30 May 2003 08:38:58 +0300


Hi!
Running 2.7.70-mm2 (with two ext3 patches akpm posted), after starting
XFree86, which tries to modprobe mga I get an Oops (below). After that,
every single modutils command hangs. Attached is also 'strace modprobe mii'
(mii is compiled as module and not loaded on boot). strace was killable with
ctrl-c, but subsequent 'modprobe mii', wasn't.

May 30 08:00:50 tienel kernel: mga: Unknown symbol flush_tlb_all
May 30 08:00:50 tienel kernel: printing eip:
May 30 08:00:50 tienel kernel: c013b3ec
May 30 08:00:50 tienel kernel: Oops: 0000 [#1]
May 30 08:00:50 tienel kernel: PREEMPTSMP
May 30 08:00:50 tienel kernel: CPU: 1
May 30 08:00:50 tienel kernel: EIP: 0060:[load_module+2316/2896] Not tainted VLI
May 30 08:00:50 tienel kernel: EFLAGS: 00013296
May 30 08:00:50 tienel kernel: eax: 00000016 ebx: e08eb000 ecx: e0939080 edx: dffeb0c0
May 30 08:00:50 tienel kernel: esi: fffffffe edi: e0939080 ebp: e0939280 esp: dd011f04
May 30 08:00:50 tienel kernel: ds: 007b es: 007b ss: 0068
May 30 08:00:50 tienel kernel: Process modprobe (pid: 391, threadinfo=dd010000 task=dec36ca0)
May 30 08:00:50 tienel kernel: Stack: e0922000 e0922000 e0907d90 00000013 00000000 e0939080 00000001 000004b0
May 30 08:00:50 tienel kernel: 0806ce84 00000000 00000000 00030002 e08a0000 e0939080 00000000 00000013
May 30 08:00:50 tienel kernel: 00000000 00000000 00000000 00000012 00000018 00000016 00000000 0000000c
May 30 08:00:50 tienel kernel: Call Trace: [sys_init_module+130/592] [syscall_call+7/11]
May 30 08:00:50 tienel kernel: Code: ff 8b 7c 24 34 8b 47 6c 89 3c 24 89 44 24 04 e8 bb 12 fe ff 8b 54 24 34 8b 42 70 89 14 24 89 44 24 04 e8 a8 12 fe ff 8b 4c 24 34 <8b> 81 50 01 00 00 85 c0 75 11 8b 7c 24 78 89 3c 24 e8 ce d4 00

tienel:~# strace modprobe mii
...
open("/lib/modules/2.5.70-mm2/modules.dep", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=22479, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40012000
read(3, "/lib/modules/2.5.70-mm2/kernel/l"..., 4096) = 4096
read(3, "e/oss/snd-mixer-oss.ko: /lib/mod"..., 4096) = 4096
read(3, "modules/2.5.70-mm2/kernel/fs/nls"..., 4096) = 4096
read(3, "v4/netfilter/ip_tables.ko\n/lib/m"..., 4096) = 4096
read(3, "2/kernel/drivers/message/i2o/i2o"..., 4096) = 4096
close(3) = 0
munmap(0x40012000, 4096) = 0
open("/proc/modules", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40012000
read(3, <unfinished ...>

pvsavola@tienel:/lib/modules/2.5.70-mm2$ find -name '*mga*'
./kernel/drivers/char/drm/mga.ko

pvsavola@tienel:~$ ps aux | grep ' D '
pvsavola 449 0.0 0.0 1192 300 pts/2 D 08:03 0:00 lsmod
root 461 0.0 0.0 1192 328 pts/3 D 08:03 0:00 cat modules
root 1852 0.0 0.0 1208 388 pts/1 D 08:22 0:00 modprobe mii
root 1957 0.0 0.0 1208 388 pts/1 D 08:32 0:00 modprobe mii
pvsavola 2013 0.0 0.0 1288 436 pts/6 R 08:38 0:00 grep D

-- 
   Psi -- <http://www.iki.fi/pasi.savolainen>
Vivake -- Virtuaalinen valokuvauskerho <http://members.lycos.co.uk/vivake/>
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