Date: Thu, 14 May 2009 09:30:31 -0700 (PDT) From: Chris Timmons <cwt@networks.cwu.edu> To: John Baldwin <jhb@freebsd.org> Cc: stable@freebsd.org, freebsd-stable@freebsd.org, Martin Sugioarto <nakal@web.de> Subject: Re: kernel trap 12 with interrupts disabled [bge0 on 7.2R] Message-ID: <20090514093008.Q12558@n.cwu.edu> In-Reply-To: <20090514091410.H12558@n.cwu.edu> References: <1696198956@web.de> <200905140916.40594.jhb@freebsd.org> <20090514091410.H12558@n.cwu.edu>
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(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; 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
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