Date: Wed, 25 Jun 2003 13:38:25 +0300 From: Vallo Kallaste <kalts@estpak.ee> To: Ian Freislich <ianf@za.uu.net> Cc: freebsd-current@freebsd.org Subject: Re: ULE crash Message-ID: <20030625103825.GA4818@kevad.internal> In-Reply-To: <7075.1056558033@mci.com> References: <7075.1056558033@mci.com>
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On Wed, Jun 25, 2003 at 06:20:33PM +0200, Ian Freislich <ianf@za.uu.net> wrote: > About 4.5 minutes after rebooting with a SCHED_ULE kernel (I give > ULE a go every few months), top started looking really wierd (the > CPU % just kept on accumulating for each process). Before dnetc > started, httpd showed 17% CPU, but the system was supposedly 100% > idle at the time according to top. Then dnetc started and things > got wierd. > > panic: page fault > panic messages: > --- > Fatal trap 12: page fault while in kernel mode > cpuid = 1; lapic.id = 01000000 > fault virtual address = 0x38 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc01e094d > stack pointer = 0x10:0xce772be4 > frame pointer = 0x10:0xce772bf4 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 603 (dnetc) > trap number = 12 > panic: page fault > cpuid = 1; lapic.id = 01000000 > Stack backtrace: > boot() called on cpu#1 > > syncing disks, buffers remaining... panic: absolutely cannot call smp_ipi_shootdown with interrupts already disabled > cpuid = 1; lapic.id = 01000000 > boot() called on cpu#1 > Uptime: 4m15s > Dumping 191 MB > ata0: resetting devices .. > done > 16 32 48 64 80 96 112 128 144 160 176 > --- I had the same panic last week after updating and had to disable seti@home to get up in hurry. The last kernel (4BSD) ran fine for a month with two seti processes running. -- Vallo Kallaste
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