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Backend Error on Halt

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kmkittre

Post subject: Backend Error on Halt

Posted: Fri Jul 06, 2007 7:42 pm

Joined: Tue Jul 12, 2005 8:01 am

Posts: 670

Location: Salem, MA

I am getting the following garbage when telling my backend to halt (R5D1):

Code:

root@mythtv:/dev# sudo halt

Broadcast message from root (ttyp0) Fri Jul  6 18:11:46 2007...

The system is going down for system halt NOW !!
root@mythtv:/dev#
Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: Oops: 0000 [#1]

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: PREEMPT SMP

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: CPU:    0

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: EIP is at snd_cx88_capture_volume_get+0xb/0x30 [cx88_alsa]

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: eax: 00000000   ebx: 00000000   ecx: f08baf40   edx: f08b1400

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: esi: 00000001   edi: 00000000   ebp: f203b800   esp: e27edf04

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: ds: 007b   es: 007b   ss: 0068

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: Process alsactl (pid: 7756, threadinfo=e27ec000 task=e209d550)

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: Stack: f8f48828 f08baf40 f08b1400 f08baf40 f203b94c bffa8500 00000003 00000000

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel:        f08b1400 f203b9e8 f203b800 f8f48891 f203b800 f08b1400 ffffffe7 c1a92240

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel:        bffa8500 c2c45512 c0182fbc f203b800 bffa8500 bffa8500 c1a92240 bffa8500

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: Call Trace:

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel:  <f8f48828> snd_ctl_elem_read+0xe8/0xf0 [snd]  <f8f48891> snd_ctl_elem_read_user+0x61/0xb0 [snd]

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel:  <c0182fbc> do_ioctl+0x5c/0x70  <c0183143> vfs_ioctl+0x53/0x1c0

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel:  <c018330d> sys_ioctl+0x5d/0x70  <c0103177> syscall_call+0x7/0xb

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: Code: 00 00 c7 40 50 00 00 00 00 c7 40 54 3f 00 00 00 31 c0 c3 8d b6 00 00 00 00 8d bc 27 00 00 00 00 8b 44 24 04 8b 54 24 08 8b 40 5c <8b> 00 8b 40 38 8b 80 94 05 32 00 83 f0 ff 83 e0 3f 89 42 44 31

Message from syslogd@mythtv at Fri Jul  6 18:11:47 2007 ...
mythtv kernel: EIP: [pg0+950274539/1066120192] snd_cx88_capture_volume_get+0xb/0x30 [cx88_alsa] SS:ESP 0068:e27edf04

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bruce_s01

Post subject:

Posted: Sat Jul 07, 2007 4:00 pm

Joined: Tue Aug 08, 2006 7:08 pm

Posts: 561

Location: UK

I found this where someone else had the same problem with R5D1. The solution was to remove the module before shutting down.
Do you have a spare HDD that you can try installing R5F1 to see if this problem is eliminated?

Bruce S.

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kmkittre

Post subject:

Posted: Sun Jul 08, 2007 11:41 pm

Joined: Tue Jul 12, 2005 8:01 am

Posts: 670

Location: Salem, MA

Ah, it's the old ALSA problem with my HD5500... Oh well, I'll probably upgrade to R5F1 at some point, I'll just deal with it until then. I just haven't upgraded yet because I'm afraid since the new versions aren't using X11...
I want to make sure my HDTV works well with R5F1 before I upgrade. (I'll have to upgrade 3 boxes, too.)
Thanks for the post.

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tjc

Post subject:

Posted: Mon Jul 09, 2007 7:27 pm

Joined: Thu Mar 25, 2004 11:00 am

Posts: 9551

Location: Arlington, MA

kmkittre wrote:

I'm afraid since the new versions aren't using X11...

Where on earth did you get that (very mistaken) idea? :shock:

Cecil chnaged from the XF86 server to the xorg server. Both are X11 implementations.

Code:

root@black2:/var/log# head Xorg.0.log

X Window System Version 7.1.1
Release Date: 12 May 2006
X Protocol Version 11, Revision 0, Release 7.1.1
Build Operating System: UNKNOWN
Current Operating System: Linux black2 2.6.18-chw-13 #1 SMP PREEMPT Sat Jun 2 21:06:06 PDT 2007 i686
Build Date: 04 April 2007
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.

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kmkittre

Post subject:

Posted: Tue Jul 31, 2007 2:57 pm

Joined: Tue Jul 12, 2005 8:01 am

Posts: 670

Location: Salem, MA

Oh, thanks for the clarification tjc.

Maybe you can make me feel better? Here are my concerns:
1. I have an HDTV and it was difficult getting the right XF86Config modeline that worked well with my widescreen HDTV. Since I will need an xorg.conf that I assume is different than XF86Config I am afraid that getting my TV looking right could be an issue. Is this a baseless fear?

2. I am using an modified version of MythCenter-Wide. I made the modifications myself. Will these modifications work with xorg?

3. When my frontend locks up on my wife I am able to ssh home from work and restart the frontend for her by executing a X11 restart: /etc/init.d/gdm restart. Can I still do this in the new versions?

I always fear upgrades because I have 3 machines to upgrade (1 backend and 2 frontends. Although, this week may be a good time to get an upgrade done because my wife is out of town and she can't complain about not being able to use the TV...

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tjc

Post subject:

Posted: Tue Jul 31, 2007 6:41 pm

Joined: Thu Mar 25, 2004 11:00 am

Posts: 9551

Location: Arlington, MA

kmkittre wrote:

1. I have an HDTV and it was difficult getting the right XF86Config modeline that worked well with my widescreen HDTV. Since I will need an xorg.conf that I assume is different than XF86Config I am afraid that getting my TV looking right could be an issue. Is this a baseless fear?

See the R5F1 hints which tell you how to do the surgery. Basically just grab the mode lines from your XF86Config and paste them into the "Monitor" section of your xorg.conf then make any adjustments needed in the "Screen" section so that they get used. It's pretty much just simple name matching.

kmkittre wrote:

2. I am using an modified version of MythCenter-Wide. I made the modifications myself. Will these modifications work with xorg?

Yes. You'll (obviously) need to back up and restore the affected files. This is what the supplemental backup and restore lists are for.

kmkittre wrote:

3. When my frontend locks up on my wife I am able to ssh home from work and restart the frontend for her by executing a X11 restart: /etc/init.d/gdm restart. Can I still do this in the new versions?

No. But the R5F1 hints contain the directions for the current method of doing the same thing.

Please, _read the hints_. They cover all of this and much more.

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kmkittre

Post subject:

Posted: Tue Jul 31, 2007 11:33 pm

Joined: Tue Jul 12, 2005 8:01 am

Posts: 670

Location: Salem, MA

Thanks tjc. I think you've helped me more than anyone else on these forums. I'd love to buy you a beer some day...

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