[mythtv-users] Lirc woes on Ubuntu Fesity Fawn

Dave M G martin at autotelic.com
Sun Apr 22 14:27:53 UTC 2007


David, Stroller,

Thank you for continuing to help.

David wrote:
> try this "lsmod | grep lirc"
>   
$ lsmod | grep lirc
lirc_i2c               11268  0
lirc_pvr150            19636  0
lirc_dev               15988  2 lirc_i2c,lirc_pvr150
ivtv                  134544  1 lirc_pvr150
i2c_core               22784  12 
cx88xx,bttv,lirc_i2c,lirc_pvr150,i2c_ec,wm8775,cx25840,tuner,ivtv,i2c_algo_bit,tveeprom,nvidia

> If you see nothing then the driver is not loading.
>   
There is some response, so I'm guessing this means that the driver is 
loaded, just not properly.

> then do this "dmesg |grep error"
$ dmesg | grep error
[ 3602.051370] usb 1-2.2: device descriptor read/64, error -71
[ 3602.239189] usb 1-2.2: device descriptor read/64, error -71
[ 3602.502958] usb 1-2.2: device descriptor read/64, error -71
[ 3602.690792] usb 1-2.2: device descriptor read/64, error -71

Seems to be USB related, which I assume means it's not relevant to this 
issue (though I think I'll probably pursue this problem elsewhere.

Stroller wrote:
> `sudo modprobe -v lirc_i2c`
This gave no output whatsoever.

> `sudo modprobe -r -v lirc_i2c` may be more informative.
Wow, this one went crazy:

$ sudo modprobe -r -v lirc_i2c
rmmod /lib/modules/2.6.20-15-generic/misc/lirc_i2c.ko
Segmentation fault

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562204] Oops: 0000 [#1]

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562206] SMP

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562316] CPU:    0

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562317] EIP:    0060:[klist_del+20/80]    
Tainted: PF     VLI

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562318] EFLAGS: 00210296   
(2.6.20-15-generic #2)

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562326] EIP is at klist_del+0x14/0x50

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562328] eax: 00000000   ebx: 00000000   ecx: 
00000008   edx: 00000000

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562332] esi: f8dbf278   edi: f8dbf2e4   ebp: 
f8dbf260   esp: e63a9efc

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562335] ds: 007b   es: 007b   ss: 0068

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562338] Process modprobe (pid: 27899, 
ti=e63a8000 task=eb2b8a90 task.ti=e63a8000)

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562340] Stack: f8dbf2e4 f8dbf278 f88e0f20 
c02ebf78 f8dbf278 c0257450 f8dbf278 f48af248

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562348]        f48af248 c0257ef8 f7e13200 
f88dd3b5 c0146100 00200286 e9614030 e9614030

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562356]        e63a9f9c f48af248 f88e1280 
f48af000 f8dbf600 00000000 080534a8 e63a8000

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562364] Call Trace:

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562378]  [klist_remove+8/32] 
klist_remove+0x8/0x20

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562386]  [bus_remove_driver+96/144] 
bus_remove_driver+0x60/0x90

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562402]  [driver_unregister+8/32] 
driver_unregister+0x8/0x20

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562414]  [<f88dd3b5>] 
i2c_del_driver+0xf5/0x160 [i2c_core]

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562425]  [__try_stop_module+0/48] 
__try_stop_module+0x0/0x30

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562471]  [sys_delete_module+298/400] 
sys_delete_module+0x12a/0x190

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562548]  [sysenter_past_esp+105/169] 
sysenter_past_esp+0x69/0xa9

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562615]  =======================

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562617] Code: 24 00 00 00 00 c6 44 24 07 00 
eb ac 8b 43 04 8b 30 eb 9b 8d 74 26 00 83 ec 0c 89 7c 24 08 89 c7 89 1c 
24 89 74 24 04 8b 18 89 d8 <8b> 73 10 e8 14 28 00 00 89 f8 e8 2d ff ff 
ff 83 f8 01 19 c0 f7

Message from syslogd at media-server at Sun Apr 22 23:19:35 2007 ...
media-server kernel: [52134.562657] EIP: [klist_del+20/80] 
klist_del+0x14/0x50 SS:ESP 0068:e63a9efc


-- 
Dave M G
Ubuntu 7.04 Feisty Fawn
Kernel 2.6.20-15-generic
Pentium D Dual Core Processor


More information about the mythtv-users mailing list