[linux-dvb] kernel BUG at saa7146_fops.c:52!

[Dominik Strasser <dominik.strasser@epost.de>]

Playing around with vdr/xawtv and my DVB-C analog module, I got the
following Bug/OOPS

kernel BUG at saa7146_fops.c:52!
invalid operand: 0000
CPU:    0
EIP:    0010:[<ce97a201>]    Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00210293
eax: 00000000   ebx: 00200246   ecx: ce9913a0   edx: c3e36b80
esi: c3e36480   edi: cb2f3c00   ebp: 00000003   esp: c96dbe64
ds: 0018   es: 0018   ss: 0018
Process xawtv (pid: 26488, stackpage=c96db000)
Stack: c3e36b80 00200246 00000000 cb2f3c00 c3e36480 ce97cb92 cb2f3c00
00000003
      c0113f48 ca01a000 00200282 00000001 c464cd00 00200282 c55ced20
c012d547
      c1217348 00200282 c55ced20 c023922b cb2f3d74 c3e36b80 c96dbeec
c7438dc0
Call Trace:    [<ce97cb92>] [<c0113f48>] [<c012d547>] [<c023922b>]
[<ce9504fa>]
 [<c023614f>] [<c023624c>] [<ce97ac1a>] [<ce97c840>] [<c0141e11>]
[<c01071a3>]
Code: 0f 0b 34 00 64 09 98 ce f6 05 88 d8 96 ce 02 0f 85 91 00 00


> > EIP; ce97a201 <[saa7146_vv]saa7146_res_free+21/100>   <=====
> > ebx; 00200246 Before first symbol
> > ecx; ce9913a0 <[dvb-ttpci]av7110_vv_data_c+0/40>
> > edx; c3e36b80 <_end+3ad9988/e4d0e68>
> > esi; c3e36480 <_end+3ad9288/e4d0e68>
> > edi; cb2f3c00 <_end+af96a08/e4d0e68>
> > esp; c96dbe64 <_end+937ec6c/e4d0e68>
Trace; ce97cb92 <[saa7146_vv]saa7146_video_do_ioctl+352/f40>
Trace; c0113f48 <__wake_up+48/60>
Trace; c012d547 <kfree+27/40>
Trace; c023922b <alloc_skb+2ab/300>
Trace; ce9504fa <[videodev]video_usercopy+7a/120>
Trace; c023614f <sock_recvmsg+2f/640>
Trace; c023624c <sock_recvmsg+12c/640>
Trace; ce97ac1a <[saa7146_vv]fops_ioctl+1a/20>
Trace; ce97c840 <[saa7146_vv]saa7146_video_do_ioctl+0/f40>
Trace; c0141e11 <kill_fasync+251/460>
Trace; c01071a3 <__up_wakeup+1263/1680>

Code;  ce97a201 <[saa7146_vv]saa7146_res_free+21/100>
00000000 <_EIP>:
Code;  ce97a201 <[saa7146_vv]saa7146_res_free+21/100>   <=====
  0:   0f 0b                     ud2a      <=====
Code;  ce97a203 <[saa7146_vv]saa7146_res_free+23/100>
  2:   34 00                     xor    $0x0,%al
Code;  ce97a205 <[saa7146_vv]saa7146_res_free+25/100>
  4:   64 09 98 ce f6 05 88      or     %ebx,%fs:0x8805f6ce(%eax)
Code;  ce97a20c <[saa7146_vv]saa7146_res_free+2c/100>
  b:   d8 96 ce 02 0f 85         fcoms  0x850f02ce(%esi)
Code;  ce97a212 <[saa7146_vv]saa7146_res_free+32/100>
 11:   91                        xchg   %eax,%ecx

Should I provide more info ?

Regards

Dominik




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