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Date: Sun, 11 Feb 2007 03:28:52 +0000 From: Antoine Martin <antoine@...afix.co.uk> To: Andi Kleen <ak@....de>, linux-kernel@...r.kernel.org Subject: reporting lost ticks Andi Kleen wrote: > [Snip] > You run with report_lost_ticks and report the results to linux-kernel Doing as I am told, here we go: This is 100% reproducible, ie: just doing a big rsync between 2 disks and burning a DVD at the same time. Note: the system isn't very responsive when this happens, most notably: audio seems to jump every ~1second. Hardware is an ASUS K8N-DL with a pair of Opteron 270s, 4GB PC3200, SATA disks, software raid. time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip __do_softirq+0x44/0xc0) time.c: Lost 6 timer tick(s)! rip _spin_unlock_irq+0x10/0x40) You can find a much longer version of the kernel output here: http://194.145.196.85/ticks http://194.145.196.85/ticks2 If you need anything else just let me know. Antoine - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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