Messages in this thread | | | Subject | ALSA errors when renicing unrelated process | From | Lee Revell <> | Date | Tue, 13 Jul 2004 21:08:42 -0400 |
| |
I have found that I can reliably produce the following errors by renicing the X server from -10 (the default on Debian) to 0 and back. I get the same error going from 0 to -10 as -10 back to 0, as if renicing the process causes some kind of hiccup in the scheduler. I do not seem to get XRUNs when this happens.
Jul 13 21:02:13 mindpipe kernel: Jul 13 21:02:13 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:199: Unexpected hw_pointer value [1] (stream = 0, delta: -31, max jitter = 32): wrong interrupt acknowledge? Jul 13 21:02:13 mindpipe kernel: [dump_stack+23/32] dump_stack+0x17/0x20 Jul 13 21:02:13 mindpipe kernel: [__crc_totalram_pages+46349/3558647] snd_pcm_period_elapsed+0x1a7/0x400 [snd_pcm] Jul 13 21:02:13 mindpipe kernel: [__crc_totalram_pages+115629/3558647] snd_emu10k1_interrupt+0x377/0x400 [snd_emu10k1] Jul 13 21:02:13 mindpipe kernel: [handle_IRQ_event+51/96] handle_IRQ_event+0x33/0x60 Jul 13 21:02:13 mindpipe kernel: [do_IRQ+165/368] do_IRQ+0xa5/0x170 Jul 13 21:02:13 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20 Jul 13 21:02:13 mindpipe kernel: [do_anonymous_page+124/384] do_anonymous_page+0x7c/0x180 Jul 13 21:02:13 mindpipe kernel: [do_no_page+78/784] do_no_page+0x4e/0x310 Jul 13 21:02:13 mindpipe kernel: [handle_mm_fault+193/368] handle_mm_fault+0xc1/0x170 Jul 13 21:02:13 mindpipe kernel: [do_page_fault+805/1356] do_page_fault+0x325/0x54c Jul 13 21:02:13 mindpipe kernel: [error_code+45/64] error_code+0x2d/0x40 Jul 13 21:02:13 mindpipe kernel: Jul 13 21:02:13 mindpipe kernel: ALSA /usr/src/alsa-cvs-1.0.5/alsa-driver/alsa-kernel/core/pcm_lib.c:199: Unexpected hw_pointer value [1] (stream = 0, delta: -31, max jitter = 32): wrong interrupt acknowledge? Jul 13 21:02:13 mindpipe kernel: [dump_stack+23/32] dump_stack+0x17/0x20 Jul 13 21:02:13 mindpipe kernel: [__crc_totalram_pages+46349/3558647] snd_pcm_period_elapsed+0x1a7/0x400 [snd_pcm] Jul 13 21:02:13 mindpipe kernel: [__crc_totalram_pages+115629/3558647] snd_emu10k1_interrupt+0x377/0x400 [snd_emu10k1] Jul 13 21:02:13 mindpipe kernel: [handle_IRQ_event+51/96] handle_IRQ_event+0x33/0x60 Jul 13 21:02:13 mindpipe kernel: [do_IRQ+165/368] do_IRQ+0xa5/0x170 Jul 13 21:02:13 mindpipe kernel: [common_interrupt+24/32] common_interrupt+0x18/0x20 Jul 13 21:02:13 mindpipe kernel: [do_anonymous_page+124/384] do_anonymous_page+0x7c/0x180 Jul 13 21:02:13 mindpipe kernel: [do_no_page+78/784] do_no_page+0x4e/0x310 Jul 13 21:02:13 mindpipe kernel: [handle_mm_fault+193/368] handle_mm_fault+0xc1/0x170 Jul 13 21:02:13 mindpipe kernel: [do_page_fault+805/1356] do_page_fault+0x325/0x54c Jul 13 21:02:13 mindpipe kernel: [error_code+45/64] error_code+0x2d/0x40 Jul 13 21:02:13 mindpipe kernel:
Lee
- 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/
| |