I'd like to note that I do get this error, but hardly ever on my true
SMP machine since I did the following:
1) recompile the kernel without IRQ Balancing
2) set the smp_affinity to a single processor (as opposed to both)
for ivtv's IRQ
- Rick
On Mar 29, 2006, at 10:13 PM, Keith C wrote:
> On Mar 29, 2006, at 6:15 PM, Keith Pyle wrote:
>
>>
>>> On Tuesday 28 March 2006 21:54, Larry Symms wrote:
>>>
>>>
>>>> Haven't heard from Hans about this in a while. One of two things
>>>> occurred, he was sidetracked by more urgent issues, or the issue
>>>> was
>>>> corrected. I'm still on 0.3.6 drivers because I haven't taken the
>>>> time to look into this as my problems are minor or rare. I'll be
>>>> upgrading soon to newest 0.4 drivers so I'll report back with my
>>>> results.
>>>>
>>>>
>>>
>>> I've seen this happen with older firmwares, it's been awhile that
>>> I've
>>> seen it with the latest firmware. It also sometimes happens after
>>> a lot
>>> of rmmod ivtv/modprobe ivtv. Doing rmmod ivtv/modprobe ivtv another
>>> time clears it up for me.
>>>
>>> And indeed, I'm working hard to get some things in the kernel in
>>> time
>>> for 2.6.17. Next week I'll have more time for some outstanding ivtv
>>> issues.
>>>
>>> Hans
>>>
>>>
>>>
>> I have this issue at 0.4.1 (svn 2816) that I reported 11/20/2005
>> (ivtv-devel vol3, issue 52). It was a very common occurrence when
>> running with hyperthreading enabled and using a SMP kernel. Only a
>> reboot would clear the problem - it was not possible to rmmod ivtv.
>>
>> Hans speculated that this was a SMP related problem. I disabled HT
>> and
>> had no subsequent problems, which I reported on 12/5. I never saw
>> any
>> indication of a fix being made for a SMP problem, so I'm still
>> running
>> without HT.
>>
>> Keith
>
> No one I've heard of has had trouble running SMP and ivtv on a true
> multi-processor machine (I do it), but there have been a couple of
> reports of ivtv not working with hyperthreading and SMP.
>
> Keith C
>
>
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