[linux-dvb] Crash when USB box is plugged in at boot

Florian Lindner mailinglists at xgm.de
Thu Nov 2 22:36:00 CET 2006


Hello,
I have a AverMedia DVB-T USB 2.0 (A800) on a Kernel 2.16.18.1 (Gentoo system, 
but vanilla kernel). The USB box works fine. But when it's already plugged in 
at boot time it crashes:

Nov  2 22:29:15 horus dvb-usb: found a 'AVerMedia AverTV DVB-T USB 2.0 (A800)' 
in warm state.
Nov  2 22:29:15 horus dvb-usb: will pass the complete MPEG2 transport stream 
to the software demuxer.
Nov  2 22:29:15 horus DVB: registering new adapter (AVerMedia AverTV DVB-T USB 
2.0 (A800)).
Nov  2 22:29:15 horus dvb-usb: no frontend was attached by 'AVerMedia AverTV 
DVB-T USB 2.0 (A800)'
Nov  2 22:29:16 horus BUG: unable to handle kernel NULL pointer dereference at 
virtual address 0000019c
Nov  2 22:29:16 horus printing eip:
Nov  2 22:29:16 horus e0872052
Nov  2 22:29:16 horus *pde = 00000000
Nov  2 22:29:16 horus Oops: 0002 [#1]
Nov  2 22:29:16 horus PREEMPT
Nov  2 22:29:16 horus Modules linked in: dvb_usb_a800 dvb_usb_dibusb_common 
dib3000mc dib3000_common dvb_usb dvb_core dvb_pll i2c_core ipw2200
Nov  2 22:29:16 horus CPU:    0
Nov  2 22:29:16 horus EIP:    0060:[<e0872052>]    Not tainted VLI
Nov  2 22:29:16 horus EFLAGS: 00010282   (2.6.18.1 #1)
Nov  2 22:29:16 horus EIP is at dibusb_dib3000mc_tuner_attach+0x1b/0x38 
[dvb_usb_dibusb_common]
Nov  2 22:29:16 horus eax: df160000   ebx: df160000   ecx: e086bf23   edx: 
00000000
Nov  2 22:29:16 horus esi: df160000   edi: 00000000   ebp: df160000   esp: 
df387e0c
Nov  2 22:29:16 horus ds: 007b   es: 007b   ss: 0068
Nov  2 22:29:16 horus Process modprobe (pid: 6052, ti=df386000 task=dec01540 
task.ti=df386000)
Nov  2 22:29:16 horus Stack: e086b169 df160000 df160000 e086a5e8 df160000 
e08759ac e08759ac 00000000
Nov  2 22:29:16 horus c1634200 e0875840 e087586c e087586c e0875031 c1634200 
e0875920 e0875fc0
Nov  2 22:29:16 horus 00000000 c022dd00 c1634200 e0875e20 c1634214 c1634214 
c020c374 c1634214
Nov  2 22:29:16 horus Call Trace:
Nov  2 22:29:16 horus [<e086b169>] dvb_usb_fe_init+0xcf/0xd4 [dvb_usb]
Nov  2 22:29:16 horus [<e086a5e8>] dvb_usb_device_init+0x2e5/0x361 [dvb_usb]
Nov  2 22:29:16 horus [<e0875031>] a800_probe+0x15/0x19 [dvb_usb_a800]
Nov  2 22:29:16 horus [<c022dd00>] usb_probe_interface+0x58/0x88
Nov  2 22:29:16 horus [<c020c374>] driver_probe_device+0x45/0x8f
Nov  2 22:29:16 horus [<c020c415>] __driver_attach+0x0/0x5c
Nov  2 22:29:16 horus [<c020c44c>] __driver_attach+0x37/0x5c
Nov  2 22:29:16 horus [<c020be5c>] bus_for_each_dev+0x46/0x6c
Nov  2 22:29:16 horus [<c020c2d6>] driver_attach+0x14/0x18
Nov  2 22:29:16 horus [<c020c415>] __driver_attach+0x0/0x5c
Nov  2 22:29:16 horus [<c020bb06>] bus_add_driver+0x67/0x106
Nov  2 22:29:16 horus [<c022db17>] usb_register_driver+0x54/0xb1
Nov  2 22:29:16 horus [<e0836010>] a800_module_init+0x10/0x29 [dvb_usb_a800]
Nov  2 22:29:16 horus [<c012817b>] sys_init_module+0x1313/0x14af
Nov  2 22:29:16 horus [<c010267d>] sysenter_past_esp+0x56/0x79
Nov  2 22:29:16 horus Code: 00 00 ff d0 83 c4 10 31 c0 c3 b8 01 00 00 00 c3 8b 
44 24 04 8b 90 54 0a 00 00 c6 80 98 07 00 00 60 c7 80 a0 07 00 00 20 80 86 e0 
<c7> 82 9c 01 00 00 8c ad 86 e0 8b 80 54 0a 00 00 c7 80 a4 01 00
Nov  2 22:29:16 horus EIP: [<e0872052>] 
dibusb_dib3000mc_tuner_attach+0x1b/0x38 [dvb_usb_dibusb_common] SS:ESP 
0068:df387e0c
Nov  2 22:29:17 horus <5>SCSI subsystem initialized
Nov  2 22:29:17 horus Initializing USB Mass Storage driver...



If you need further information or think that another place is better to ask, 
please contact me.

Regards,

Florian



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