Date: Sat, 7 Nov 2015 18:07:36 -0800 (PST) From: Don Lewis <truckman@FreeBSD.org> To: bdrewery@FreeBSD.org Cc: avg@FreeBSD.org, freebsd-current@FreeBSD.org, freebsd-hackers@FreeBSD.org Subject: Re: strange kernel crash Message-ID: <201511080207.tA827aeV030767@gw.catspoiler.org> In-Reply-To: <563E9925.1000806@FreeBSD.org>
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On 7 Nov, Bryan Drewery wrote: > On 11/7/2015 3:08 PM, Andriy Gapon wrote: >> On 07/11/2015 21:48, Bryan Drewery wrote: >>> On 11/6/15 3:20 AM, Andriy Gapon wrote: >>>> Unread portion of the kernel message buffer: >>>> >>>> Fatal trap 1: privileged instruction fault while in kernel mode >>> ... >>> >>> What SVN revision? >> >> r289875 from October 24. >> > > I ask because I fixed an uninitialized ptr write in the kernel in > r290155 on October 29th. I would only expect it to happen in low memory > situations. I haven't seen it since I upgraded from r290039 Tue Oct 27 to r290224 Sat Oct 31. I can believe that low memory would trigger it since I often it uses zfs and I sometimes drive it heavily into swap (using tmpfs) when running poudriere with parallel builds. The timing makes sense because the bug was introduce by r289279, and before r290039 I had been running r289123 without having any problems.
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