[linux-audio-dev] Bug in RT Pre-empt Kernel Patch?

Shayne O'Connor forums at machinehasnoagenda.com
Sun May 15 05:51:02 EDT 2005


michael tewner wrote:

>On Sat, 14 May 2005, Shayne O'Connor wrote:
>
>  
>
>>i've just compiled a 2.6.12.RC4 kernel with the rt-preempt patch
>>(configured with PREEMPT_RT) and it all went ok, but after installing
>>the binary Nvidia drivers, i get this bug message:
>>
>>BUG: modprobe/2085, lock held at task exit time!
>> [de2887e4] {(struct semaphore *)(&os_sema->wait)}
>>.. held by:        modprobe: 2085 [dfceec30, 118]
>>... acquired at:os_alloc_sema+0x40/0x76 [nvidia]
>>
>>
>>should i send this to the kernel list? will this cause problems on my
>>system?
>>    
>>
>
>This made it to the kernel list, I think. I seem to remember something
>about the new kernel killing Nvidia binary drivers... 1 sec. I'll look.
>
>
>about 2.6.12-rc2:
>
>Elsewhere, Bob Gill reported that NVidia modules no longer worked for him,
>and
>Dave Jones replied, "Totally unsurprising. They'll need serious brain
>surgery
>to work with the multi-gart support. I'm amazed they even compiled for
>you."
>
>
>
>  
>
>>shayne
>>
>>    
>>
>
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>  
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hmmm ... i don't know. it all seems to work fine for me now.

2.6.12.rc4 with rtlimits and rt_preempt patch and nvidia drivers.

go figure.

shayne


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