[mythtv] what's this dmesg output mean?

Michael T. Dean mtdean at thirdcontact.com
Sun Jan 15 13:28:00 UTC 2006

Kirby Bakken wrote:
> Michael T. Dean wrote:
>> Kirby Bakken wrote:
>>> Running a Fusion5 Gold card, and an HD5000 card.  Biostar MB with Nvidia 
>>> 6200 PCIe card.  Kernel 2.6.15-gentoo.  Nvidia video version 8178 (and 
>>> yes, GL Vsync doesn't work..  I live with the occasional 'horizontal 
>>> seam'.  Also, I'm running SVN 8605.
>>> When watching LiveTv (perhaps watching recordings, I haven't checked 
>>> that yet), I get this output from 'dmesg':
>>> ...
>>> Trying to fix it up, but a reboot is needed
>>> Bad page state at free_hot_cold_page (in process 'mythfrontend', page 
>>> ffff8100013dbdc8)
>>> flags:0x0100000000000400 mapping:0000000000000000 mapcount:0 count:0
>>> Backtrace:
>>> Call Trace:<ffffffff8015bd64>{bad_page+113} 
>>> <ffffffff8015c5a5>{free_hot_cold_page+102}
>>>       <ffffffff8829eb3b>{:nvidia:nv_vm_free_pages+604} 
>>> <ffffffff88299b23>{:nvidia:nv_kern_vma_release+136}
>>>       <ffffffff8016afbb>{remove_vma+33} <ffffffff8016d0a7>{exit_mmap+205}
>>>       <ffffffff80135806>{mmput+35} <ffffffff8013a519>{do_exit+530}
>>>       <ffffffff8013afc6>{sys_exit_group+0} 
>>> <ffffffff8010f91a>{system_call+126}
>> So, did you?  ("Trying to fix it up, but a reboot is needed")  Did 
>> rebooting fix it?
> Well, that's just it...  there's really nothing 'noticeable' to fix 
> up...  The mythfrontend still seems to be fine...  It was only because I 
> was experimenting with my DVICO remote control and looking at dmesg that 
> I noticed all the 'errata' from this 'apparent' problem.   I was hoping 
> someone in development might recognize what's happening and elaborate.  
> If nobody comes up with anything, I'll play around and see if I can 
> pinpoint what is causing all these 'warning/error' messages.
And the answer to my question is?  Once again, in case you forgot, did 
you reboot?


More information about the mythtv-dev mailing list