[mythtv-users] Mythtv Freezes.....no errors, complete lockup, sound freezes + usb dying

Tue Mar 28 15:39:28 UTC 2006

Just wanted to add that I have corrected this error on my setup for the record.

1.  LiveTV locking up seems to have been fixed by removing the irqpoll kernel option during boot.  But that caused my USB reciever to die after a few hours which prompted me to find another way to keep it working.

2.  USB reciever dying issue has been fixed by going into the bios and *enabling* the parallel port.  This caused my USB devices and hub to jump from IRQ7 (standard parallel port interrupt) to irq 5 which isn't in use by anything in /proc/interrupts.  Machine ran overnight without a lockup and the remotes still worked this morning, which I must say warmed the cockles of my heart.

Now onto the next fix.... (interference on video0)

Kyle Sasser
  ----- Original Message ----- 
  From: ksasser at tampabay.rr.com 
  To: mythtv-users at mythtv.org 
  Sent: Monday, March 27, 2006 1:51 PM
  Subject: Re: [mythtv-users] Mythtv Freezes.....no errors, complete lockup,sound freezes (broken record)

  I'm having the identical issue.  Everything else works fine, scheduling and watching recorded programs, videos, music, etc.  But LiveTV will after a period of time, lock hard.  No keyboard input, lirc input, ssh, etc.  Hard reboot is the only option, and when the system comes up there is nothing in any of the logs that I have seen to indicate that anything was happening at the time (i.e. no entries for 15 minutes, sometimes hours).

  My system:
  AMD Sempron 3300+
  Gigabit GA-K8NS nForce3
  1GB RAM
  AOpen Geforce 6200 
  2 PVR-150's
  Onboard Sound

  This is even more frustrating as it used to work properly.  I.e. could leave livetv on all day and it would sit and do its thing.  So I've catalogued a list of recent changes that I'm going to be looking into tonite:

  Replaced fans in case and on processor (not likely as temps show ~100F)
  Configured Samba (if I turn samba off it still locks)
  Changed boot options (added selinux=disabled for samba and added irqpoll to solve a problem with the usb ir reciever dying)
  Screwed up my channel listings (off by one on video1)
  Switched remotes to Sony Commander 3100 (very unlikely that this would have anything to do with it)

  >I'm having troubles getting my box stable while watching video in Mythtv. 
  >The box freezes, sound repeats last known sound, only way to shutdown is 
  >power switch, no var/log/messages errors, no backend errors, no frontend 
  >errors. I'm not sure how to pinpoint where the error is coming from. Last 
  >month I was running kernel 2.6.13 along with mythtv 0.18 and everything was 
  >happy. In order to fulfill documentation needs for myself I tore down the 
  >system and built new. Even when using mythtv 0.18 the system still freezes. 
  >
  >How might I create a test to narrow the possible culprit down. 
  >
  >My Specs: 
  >------------------- 
  >Kernel: 
  >------------------------------------ 
  >2.6.15-gentoo-r5 #4 SMP Thu Mar 2 17:57:25 MST 2006 x86_64 AMD Athlon(tm) 64 
  >Processor 3000+ AuthenticAMD GNU/Linux 
  >
  >Hardware: 
  >--------------------------------- 
  >02:02.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio 
  >Decoder [MPEG Port] (rev 05) 
  >Subsystem: pcHDTV pcHDTV HD3000 HDTV 
  >
  >02:02.2 Multimedia controller: Conexant CX23880/1/2/3 PCI Video and Audio 
  >Decoder [MPEG Port] (rev 05) 
  >Subsystem: pcHDTV pcHDTV HD3000 HDTV 
  >
  >01:00.0 VGA compatible controller: nVidia Corporation GeForce 6200 
  >TurboCache(TM) (rev a1) (prog-if 00 [VGA]) 
  >
  >
  >Drivers: 
  >------------------------------- 
  >nvidia-glx-1.0.7676-r2 
  >nvidia-kernel-1.0.7676-r1 
  >
  >Tests Run: 
  >----------------------------- 
  >The box normally freezes within about 1-2 hours when watching tv or a 
  >recorded show. I've regularly left mythtv running at the main menu for long 
  >periods of time and don't get the freezes. I've left the box up for days at 
  >a time without lockups. I'm beginning to narrow it down to ONLY happening 
  >while watching video through mythtv. Does that mean it's my hd3000 drivers 
  >or firmware? While watching LiveTV could my Nvidia drivers finally be 
  >hitting a brick wall somehow? It's confusing the heck outta me! THanks for 
  >any help. 
  >
  >Daniel 

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