Messages in this thread | | | Date | Tue, 13 Jul 2004 03:22:01 -0700 | From | Andrew Morton <> | Subject | Re: desktop and multimedia as an afterthought? |
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Thomas Charbonnel <thomas@undata.org> wrote: > > On my system xruns seem related to the keyboard. I get xruns on ~8.079 > seconds boundaries when the keyboard is in use, regardless of the load. > My usual test is running jack with 2 periods of 64 samples and no > client, and keep a key pressed. Those latencytest graphs give an idea of > the problem : http://www.undata.org/~thomas/latencytest/index.html > > Here are the xrun_debug reports :
OK, thanks.
Stack tracing seems a bit broken with 4k stacks. Can you disable CONFIG_4KSTACKS for future testing?
> For the intel8x0 : > XRUN: pcmC1D0p > Stack pointer is garbage, not printing trace > Unexpected hw_pointer value [1] (stream = 1, delta: -16, max jitter = > 64): wrong interrupt acknowledge? > [<c0105f3e>] dump_stack+0x1e/0x30 > [<c033240d>] snd_pcm_period_elapsed+0x1cd/0x420 > [<c03578cc>] snd_intel8x0_interrupt+0x1fc/0x260 > [<c010739b>] handle_IRQ_event+0x3b/0x70 > [<c0107824>] do_IRQ+0x194/0x1b0 > [<c0105ac4>] common_interrupt+0x18/0x20 > [<c0107754>] do_IRQ+0xc4/0x1b0 > [<c0105ac4>] common_interrupt+0x18/0x20 > [<c0108126>] do_softirq+0x46/0x60 > [<c01077d9>] do_IRQ+0x149/0x1b0 > [<c0105ac4>] common_interrupt+0x18/0x20 > [<c01030f4>] cpu_idle+0x34/0x40 > [<c053c809>] start_kernel+0x169/0x190 > [<c010019f>] 0xc010019f > ======================= > [<c0105f3e>] dump_stack+0x1e/0x30 > [<c033240d>] snd_pcm_period_elapsed+0x1cd/0x420 > [<c03578cc>] snd_intel8x0_interrupt+0x1fc/0x260 > [<c010739b>] handle_IRQ_event+0x3b/0x70 > [<c0107824>] do_IRQ+0x194/0x1b0 > [<c0105ac4>] common_interrupt+0x18/0x20 > [<c0107754>] do_IRQ+0xc4/0x1b0 > [<c0105ac4>] common_interrupt+0x18/0x20 > [<c0108126>] do_softirq+0x46/0x60 > [<c01077d9>] do_IRQ+0x149/0x1b0 > [<c0105ac4>] common_interrupt+0x18/0x20 > [<c01030f4>] cpu_idle+0x34/0x40 > [<c053c809>] start_kernel+0x169/0x190 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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