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Date: Wed, 02 May 2007 23:49:16 +0200 From: Thomas Gleixner <tglx@...utronix.de> To: Michal Piotrowski <michal.k.k.piotrowski@...il.com> Cc: LKML <linux-kernel@...r.kernel.org> Subject: Re: 2.6.21-git4 BUG: soft lockup detected on CPU#1! On Wed, 2007-05-02 at 23:42 +0200, Michal Piotrowski wrote: > Hi Thomas, > > I hit this soft lockup > > [ 5401.599275] BUG: soft lockup detected on CPU#1! > [ 5401.603809] [<c0105039>] show_trace_log_lvl+0x1a/0x2f > [ 5401.608980] [<c0105720>] show_trace+0x12/0x14 > [ 5401.613456] [<c01057d2>] dump_stack+0x16/0x18 > [ 5401.617934] [<c01518e8>] softlockup_tick+0xa7/0xb9 > [ 5401.622841] [<c012a0b5>] run_local_timers+0x12/0x14 > [ 5401.627829] [<c012a482>] update_process_times+0x3e/0x63 > [ 5401.633164] [<c013a028>] tick_sched_timer+0x5d/0xa1 > [ 5401.638160] [<c01366fb>] hrtimer_interrupt+0x127/0x1b4 > [ 5401.643415] [<c0114c66>] smp_apic_timer_interrupt+0x72/0x84 > [ 5401.649097] [<c0104b2b>] apic_timer_interrupt+0x33/0x38 > [ 5401.654437] ======================= > [ 5401.658055] Clocksource tsc unstable (delta = 9372000804 ns) > [ 5401.664061] Time: acpi_pm clocksource has been installed. Hmm. Looks like TSC going awry and the softlockup hits before the tsc watchdog logic kicks in. Was the system stable afterwards ? tglx - 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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