[linux-dvb] Kernel error at dvb-core and freeze with 2.6.12-rc6 + CVS

[Anssi Hannula]

I got the following with 2.6.12-rc6 + CVS with VDR.
Something similar happened with 2.6.12-rc4, but only three lines made it 
to the syslog back then.

What should I do to debug this?


Jun  8 00:53:15 delta kernel: Unable to handle kernel paging request at 
virtual address 8b000001
Jun  8 00:53:15 delta kernel:  printing eip:
Jun  8 00:53:15 delta kernel: e08d5818
Jun  8 00:53:15 delta kernel: *pde = 00000000
Jun  8 00:53:15 delta kernel: Oops: 0002 [#1]
Jun  8 00:53:15 delta kernel: Modules linked in: b2c2_flexcop_pci 
dvb_ttpci ndiswrapper b2c2_flexcop mt352 bcm3510 n
xt2002 mt312 lirc_serial lirc_dev it87 i2c_sensor i2c_isa i2c_viapro 
iptable_filter iptable_mangle iptable_nat ip_co
nntrack ip_tables ide_cd via_agp agpgart dvb_core l64781 saa7146_vv 
video_buf saa7146 ves1820 stv0299 tda8083 stv029
7 sp8870 firmware_class ves1x93 ttpci_eeprom i2c_core
Jun  8 00:53:15 delta kernel: CPU:    0
Jun  8 00:53:15 delta kernel: EIP:    0060:[pg0+540751896/1068352512] 
  Tainted: PF     VLI
Jun  8 00:53:15 delta kernel: EIP:    0060:[<e08d5818>]    Tainted: PF 
    VLI
Jun  8 00:53:15 delta kernel: EFLAGS: 00010286   (2.6.12-rc6)
Jun  8 00:53:15 delta kernel: EIP is at 
dvb_dmxdev_filter_start+0x1e8/0x3d0 [dvb_core]
Jun  8 00:53:15 delta kernel: eax: 00000000   ebx: e097c888   ecx: 
00000100   edx: 00000000
Jun  8 00:53:15 delta kernel: esi: 00000000   edi: 00000100   ebp: 
cca7fe58   esp: cca7fe09
Jun  8 00:53:16 delta kernel: ds: 007b   es: 007b   ss: 0068
Jun  8 00:53:16 delta lircd 0.6.6[6247]: removed client
Jun  8 00:53:16 delta kernel: Process vdrbin1 (pid: 4402, 
threadinfo=cca7e000 task=c278a520)
Jun  8 00:53:16 delta kernel: Stack: 90d97838 10e097c8 1ce08d4e 68d35735 
00cca7fe 00000000 00000000 34000000
Jun  8 00:53:16 delta kernel:        84d3573f 9ccca7fe 58cca7fe f9cca7fe 
90e08d5b 8ce097c8 94e097c8 90e097c8
Jun  8 00:53:16 delta kernel:        88d9783a 90e097c8 00d9783a 80000000 
92cca7fe 88e08d60 88e097c8 9ce097c8
Jun  8 00:53:16 delta kernel: Call Trace:
Jun  8 00:53:16 delta kernel:  [show_stack+127/160] show_stack+0x7f/0xa0
Jun  8 00:53:16 delta kernel:  [<c0103e1f>] show_stack+0x7f/0xa0
Jun  8 00:53:16 delta kernel:  [show_registers+346/464] 
show_registers+0x15a/0x1d0
Jun  8 00:53:16 delta kernel:  [<c0103fba>] show_registers+0x15a/0x1d0
Jun  8 00:53:16 delta kernel:  [die+206/336] die+0xce/0x150
Jun  8 00:53:16 delta kernel:  [<c010419e>] die+0xce/0x150
Jun  8 00:53:16 delta kernel:  [do_page_fault+1129/1690] 
do_page_fault+0x469/0x69a
Jun  8 00:53:16 delta kernel:  [<c0114469>] do_page_fault+0x469/0x69a
Jun  8 00:53:16 delta kernel:  [error_code+79/84] error_code+0x4f/0x54
Jun  8 00:53:16 delta kernel:  [<c0103a73>] error_code+0x4f/0x54
Jun  8 00:53:16 delta kernel:  [pg0+540754066/1068352512] 
dvb_demux_do_ioctl+0x1a2/0x200 [dvb_core]
Jun  8 00:53:16 delta kernel:  [<e08d6092>] 
dvb_demux_do_ioctl+0x1a2/0x200 [dvb_core]
Jun  8 00:53:16 delta kernel:  [pg0+540747403/1068352512] 
dvb_usercopy+0xab/0x12d [dvb_core]
Jun  8 00:53:16 delta kernel:  [<e08d468b>] dvb_usercopy+0xab/0x12d 
[dvb_core]
Jun  8 00:53:16 delta kernel:  [pg0+540754206/1068352512] 
dvb_demux_ioctl+0x2e/0x30 [dvb_core]
Jun  8 00:53:16 delta kernel:  [<e08d611e>] dvb_demux_ioctl+0x2e/0x30 
[dvb_core]
Jun  8 00:53:16 delta kernel:  [do_ioctl+77/112] do_ioctl+0x4d/0x70
Jun  8 00:53:16 delta kernel:  [<c016b0dd>] do_ioctl+0x4d/0x70
Jun  8 00:53:16 delta kernel:  [vfs_ioctl+98/448] vfs_ioctl+0x62/0x1c0
Jun  8 00:53:16 delta kernel:  [<c016b242>] vfs_ioctl+0x62/0x1c0
Jun  8 00:53:16 delta kernel:  [sys_ioctl+65/96] sys_ioctl+0x41/0x60
Jun  8 00:53:16 delta kernel:  [<c016b3e1>] sys_ioctl+0x41/0x60
Jun  8 00:53:16 delta kernel:  [syscall_call+7/11] syscall_call+0x7/0xb
Jun  8 00:53:16 delta kernel:  [<c0102fc9>] syscall_call+0x7/0xb
Jun  8 00:53:16 delta kernel: Code: 85 d2 0f 85 28 01 00 00 8b 4d f0 8b 
51 10 c7 44 24 08 10 4e 8d e0 8b 45 e4 89 44
  24 04 8b 41 10 89 04 24 ff 52 2c 85 c0 89 c6 0f <88> 9e 01 00 00 8b 45 
ec 8b 4d e4 f6 40 38 01 8b 11 c7 44 24 0c


-- 
Anssi Hannula