Re: [patch] voluntary-preempt-2.6.8-rc2-M5

[Lee Revell]

On Thu, 2004-07-29 at 18:26, Ingo Molnar wrote:
> i've uploaded the latest version of the voluntary-preempt patch:
>  
>    http://redhat.com/~mingo/voluntary-preempt/voluntary-preempt-2.6.8-rc2-M5
> 

After running jackd with L2 all night, the only repeated XRUN was this one:

ALSA /home/rlrevell/cvs/alsa/alsa-driver/alsa-kernel/core/pcm_lib.c:139: XRUN: pcmC0D2c
 [<c01066a7>] dump_stack+0x17/0x20
 [<de93d54b>] snd_pcm_period_elapsed+0x27b/0x3e0 [snd_pcm]
 [<de979211>] snd_emu10k1_interrupt+0xd1/0x3c0 [snd_emu10k1]
 [<c01078d7>] handle_IRQ_event+0x47/0x90
 [<c0107e93>] do_IRQ+0xe3/0x1b0
 [<c0106268>] common_interrupt+0x18/0x20
 [<c0146771>] add_to_swap+0x21/0xc0
 [<c0139446>] shrink_list+0x156/0x4b0
 [<c01398ed>] shrink_cache+0x14d/0x370
 [<c013a118>] shrink_zone+0xa8/0xf0
 [<c013a4ee>] balance_pgdat+0x1be/0x220
 [<c013a5f9>] kswapd+0xa9/0xb0
 [<c0104395>] kernel_thread_helper+0x5/0x10

This produced a few ~2ms XRUNs.  The shrink_zone -> shrink_cache -> shrink_list 
is a recurring motif.

Is this addressed in M2?

Lee

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