Date: Sun, 22 Mar 2015 11:08:05 -0500 From: Michael Tuexen <tuexen@freebsd.org> To: Olivier Houchard <mlfbsd@ci0.org> Cc: "freebsd-arm@freebsd.org" <arm@freebsd.org> Subject: Re: panic: pmap_demote_section: No l2_bucket for wired mapping Message-ID: <6A0AEEA5-3038-4A45-AAD4-6562624EE3E2@freebsd.org> In-Reply-To: <20150322151934.GA31108@ci0.org> References: <AF7A0CA1-6A0C-47CC-B096-646BBD235862@freebsd.org> <20150322151934.GA31108@ci0.org>
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> On 22 Mar 2015, at 10:19, Olivier Houchard <mlfbsd@ci0.org> wrote: > > On Sun, Mar 22, 2015 at 06:54:06AM -0500, Michael Tuexen wrote: >> Dear all, >> > > Hi Michael, > >> running head on a Raspberry Pi became unstable. When running >> r280329 for a while (the machine is exposed to the Internet, so >> ssh logins are continuously tried), the machine panics: >> >> panic: pmap_demote_section: No l2_bucket for wired mapping >> >> It might be related to >> https://svnweb.freebsd.org/changeset/base/280324 >> >> Any idea what is going on? >> > > Doest backing rev 280324 out fixes it ? I'm at a loss as to why my commit I can't test it right now, since I'm only having remote access to the raspberry pi and it already dies when doing svn stuff. Not thinking about compiling stuff. I can build a complete image when I'm back in my lab. This might take a week or so. I'll report if no one beats me... > could provoke this, and can't seem to reproduce it on my pandaboard. > Another possibility is that rev 280327, which makes it possible to map > library's code using superpages, uncovered a bug somewhere. This is what I'm thinking about. I could not find an issue while looking at your patch. Best regards Michael > > Regards, > > Olivier >help
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