Date: Thu, 14 May 2009 13:17:56 -0400 From: John Baldwin <jhb@freebsd.org> To: Chris Timmons <cwt@networks.cwu.edu> Cc: freebsd-stable@freebsd.org, Martin Sugioarto <nakal@web.de> Subject: Re: kernel trap 12 with interrupts disabled [bge0 on 7.2R] Message-ID: <200905141317.56551.jhb@freebsd.org> In-Reply-To: <20090514093008.Q12558@n.cwu.edu> References: <1696198956@web.de> <20090514091410.H12558@n.cwu.edu> <20090514093008.Q12558@n.cwu.edu>
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On Thursday 14 May 2009 12:30:31 pm Chris Timmons wrote: > > (kgdb) list *0xc07a4dac > 0xc07a4dac is in devvn_refthread (/usr/src/sys/kern/kern_conf.c:209). > 204 struct cdev_priv *cdp; > 205 > 206 mtx_assert(&devmtx, MA_NOTOWNED); > 207 csw = NULL; > 208 dev_lock(); > 209 *devp = vp->v_rdev; > 210 if (*devp != NULL) { > 211 cdp = (*devp)->si_priv; > 212 if ((cdp->cdp_flags & CDP_SCHED_DTR) == 0) { > 213 csw = (*devp)->si_devsw; Can you get a stack trace? Your panic is quite different then the original one. > On Thu, 14 May 2009, Chris Timmons wrote: > > > > > Yesterday I updated a rock-solid machine (uptime hundreds of days) from > > 7-stable circa July, 2008, to the latest stable. I run Nessus on this > > machine, with about 60 concurrent scans. It pushes the load average up as > > high as 20 for short periods of time, but overall is reasonably efficient. > > > > I have never had the box become unresponsive, let alone crash, under any load > > scenario. > > > > This morning, I ran my first scan on 7.2-stable, with Nessus 4.0. It lasted > > about 30 seconds before: > > > > > > Fatal trap 12: page fault while in kernel mode > > cpuid = 2; apic id = 06 > > fault virtual address = 0x1c > > fault code = supervisor read, page not present > > instruction pointer = 0x20:0xc07a4dac > > stack pointer = 0x28:0xee156ad4 > > frame pointer = 0x28:0xee156ad8 > > 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 = 5263 (nessusd) > > trap number = 12 > > panic: page fault > > cpuid = 3 > > -- John Baldwin
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