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SubjectRe: [linux-audio-dev] Re: [announce] [patch] Voluntary Kernel Preemption Patch
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Date
On Mon, 2004-07-12 at 23:59, Andrew Morton wrote:
> Oh dear, these don't make much sense.
>
> You'll have the best chance of getting decent traces with
> CONFIG_FRAME_POINTER=y and CONFIG_4KSTACKS=n, but I'm not sure that this
> will help a lot. Are you sure that CONFIG_PREEMPT is enabled on that
> kernel?
>

Here are some more. These happen when I switch from X to a text console
and back:


Jul 13 04:27:50 mindpipe kernel:
Jul 13 04:27:50 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm]
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1]
Jul 13 04:27:50 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60
Jul 13 04:27:50 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160
Jul 13 04:27:50 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20
Jul 13 04:27:50 mindpipe kernel: [do_con_write+397/1888] do_con_write+0x18d/0x760
Jul 13 04:27:50 mindpipe kernel: [con_write+27/48] con_write+0x1b/0x30
Jul 13 04:27:50 mindpipe kernel: [opost_block+210/400] opost_block+0xd2/0x190
Jul 13 04:27:50 mindpipe kernel: [__alloc_pages+458/864] __alloc_pages+0x1ca/0x360
Jul 13 04:27:50 mindpipe kernel: [write_chan+396/544] write_chan+0x18c/0x220
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [tty_write+434/608] tty_write+0x1b2/0x260
Jul 13 04:27:50 mindpipe kernel: [write_chan+0/544] write_chan+0x0/0x220
Jul 13 04:27:50 mindpipe kernel: [vfs_write+186/256] vfs_write+0xba/0x100
Jul 13 04:27:50 mindpipe kernel: [sys_write+45/80] sys_write+0x2d/0x50
Jul 13 04:27:50 mindpipe kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jul 13 04:27:50 mindpipe kernel:
Jul 13 04:27:50 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm]
Jul 13 04:27:50 mindpipe kernel: [group_send_sig_info+101/144] group_send_sig_info+0x65/0x90
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1]
Jul 13 04:27:50 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60
Jul 13 04:27:50 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160
Jul 13 04:27:50 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20
Jul 13 04:27:50 mindpipe kernel: [_mmx_memcpy+141/384] _mmx_memcpy+0x8d/0x180
Jul 13 04:27:50 mindpipe kernel: [scrup+242/320] scrup+0xf2/0x140
Jul 13 04:27:50 mindpipe kernel: [lf+96/112] lf+0x60/0x70
Jul 13 04:27:50 mindpipe kernel: [do_con_trol+2907/3360] do_con_trol+0xb5b/0xd20
Jul 13 04:27:50 mindpipe kernel: [do_con_write+1128/1888] do_con_write+0x468/0x760
Jul 13 04:27:50 mindpipe kernel: [con_put_char+51/64] con_put_char+0x33/0x40
Jul 13 04:27:50 mindpipe kernel: [opost+162/464] opost+0xa2/0x1d0
Jul 13 04:27:50 mindpipe kernel: [write_chan+437/544] write_chan+0x1b5/0x220
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [tty_write+434/608] tty_write+0x1b2/0x260
Jul 13 04:27:50 mindpipe kernel: [write_chan+0/544] write_chan+0x0/0x220
Jul 13 04:27:50 mindpipe kernel: [vfs_write+186/256] vfs_write+0xba/0x100
Jul 13 04:27:50 mindpipe kernel: [sys_write+45/80] sys_write+0x2d/0x50
Jul 13 04:27:50 mindpipe kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jul 13 04:27:50 mindpipe kernel:
Jul 13 04:27:50 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm]
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1]
Jul 13 04:27:50 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60
Jul 13 04:27:50 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160
Jul 13 04:27:50 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20
Jul 13 04:27:50 mindpipe kernel: [__do_softirq+48/144] __do_softirq+0x30/0x90
Jul 13 04:27:50 mindpipe kernel: [do_softirq+53/64] do_softirq+0x35/0x40
Jul 13 04:27:50 mindpipe kernel: [do_IRQ+261/352] do_IRQ+0x105/0x160
Jul 13 04:27:50 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20
Jul 13 04:27:50 mindpipe kernel:
Jul 13 04:27:50 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm]
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1]
Jul 13 04:27:50 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60
Jul 13 04:27:50 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160
Jul 13 04:27:50 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20
Jul 13 04:27:50 mindpipe kernel: [do_con_write+1035/1888] do_con_write+0x40b/0x760
Jul 13 04:27:50 mindpipe kernel: [con_write+27/48] con_write+0x1b/0x30
Jul 13 04:27:50 mindpipe kernel: [opost_block+210/400] opost_block+0xd2/0x190
Jul 13 04:27:50 mindpipe kernel: [__alloc_pages+458/864] __alloc_pages+0x1ca/0x360
Jul 13 04:27:50 mindpipe kernel: [write_chan+396/544] write_chan+0x18c/0x220
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [tty_write+434/608] tty_write+0x1b2/0x260
Jul 13 04:27:50 mindpipe kernel: [write_chan+0/544] write_chan+0x0/0x220
Jul 13 04:27:50 mindpipe kernel: [vfs_write+186/256] vfs_write+0xba/0x100
Jul 13 04:27:50 mindpipe kernel: [sys_write+45/80] sys_write+0x2d/0x50
Jul 13 04:27:50 mindpipe kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jul 13 04:27:50 mindpipe kernel:
Jul 13 04:27:50 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm]
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1]
Jul 13 04:27:50 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60
Jul 13 04:27:50 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160
Jul 13 04:27:50 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20
Jul 13 04:27:50 mindpipe kernel: [do_con_write+974/1888] do_con_write+0x3ce/0x760
Jul 13 04:27:50 mindpipe kernel: [con_put_char+51/64] con_put_char+0x33/0x40
Jul 13 04:27:50 mindpipe kernel: [opost+327/464] opost+0x147/0x1d0
Jul 13 04:27:50 mindpipe kernel: [write_chan+437/544] write_chan+0x1b5/0x220
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [tty_write+434/608] tty_write+0x1b2/0x260
Jul 13 04:27:50 mindpipe kernel: [write_chan+0/544] write_chan+0x0/0x220
Jul 13 04:27:50 mindpipe kernel: [vfs_write+186/256] vfs_write+0xba/0x100
Jul 13 04:27:50 mindpipe kernel: [sys_write+45/80] sys_write+0x2d/0x50
Jul 13 04:27:50 mindpipe kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jul 13 04:27:50 mindpipe kernel:
Jul 13 04:27:50 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:169: XRUN: pcmC0D0p
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1387264/5353478] snd_pcm_period_elapsed+0x2ca/0x410 [snd_pcm]
Jul 13 04:27:50 mindpipe kernel: [__crc_totalram_pages+1455070/5353478] snd_emu10k1_interrupt+0x3c8/0x480 [snd_emu10k1]
Jul 13 04:27:50 mindpipe kernel: [handle_IRQ_event+49/96] handle_IRQ_event+0x31/0x60
Jul 13 04:27:50 mindpipe kernel: [do_IRQ+155/352] do_IRQ+0x9b/0x160
Jul 13 04:27:50 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20
Jul 13 04:27:50 mindpipe kernel: [do_con_write+1448/1888] do_con_write+0x5a8/0x760
Jul 13 04:27:50 mindpipe kernel: [con_write+27/48] con_write+0x1b/0x30
Jul 13 04:27:50 mindpipe kernel: [opost_block+210/400] opost_block+0xd2/0x190
Jul 13 04:27:50 mindpipe kernel: [__alloc_pages+458/864] __alloc_pages+0x1ca/0x360
Jul 13 04:27:50 mindpipe kernel: [write_chan+396/544] write_chan+0x18c/0x220
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [default_wake_function+0/32] default_wake_function+0x0/0x20
Jul 13 04:27:50 mindpipe kernel: [tty_write+434/608] tty_write+0x1b2/0x260
Jul 13 04:27:50 mindpipe kernel: [write_chan+0/544] write_chan+0x0/0x220
Jul 13 04:27:50 mindpipe kernel: [vfs_write+186/256] vfs_write+0xba/0x100
Jul 13 04:27:50 mindpipe kernel: [sys_write+45/80] sys_write+0x2d/0x50
Jul 13 04:27:50 mindpipe kernel: [syscall_call+7/11] syscall_call+0x7/0xb
Jul 13 04:27:50 mindpipe kernel:

Lee

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