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Date: Sat, 7 Nov 2015 18:22:01 -0800 (PST)
From: Don Lewis <truckman@FreeBSD.org>
Subject: Re: strange kernel crash
To: bdrewery@FreeBSD.org
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On  7 Nov, To: bdrewery@FreeBSD.org wrote:
> 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.

Wow, that sentence makes no sense at all ... change it to:

I can believe that low memory would trigger it since that machine uses
zfs and I often 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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