Date: Thu, 21 Aug 2003 00:01:32 +0100 From: Mark Murray <mark@grondar.org> To: John Baldwin <jhb@FreeBSD.org> Cc: current@FreeBSD.org Subject: Re: Current panic in pmap/VM Message-ID: <200308202301.h7KN1WOI068795@grimreaper.grondar.org> In-Reply-To: Your message of "Wed, 20 Aug 2003 16:19:07 EDT." <XFMail.20030820161907.jhb@FreeBSD.org>
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John Baldwin writes: > > pmap_ts_referenced() > > vm_pageout_scan() > > vm_pageout() > > fork_exit() > > fork_trampoline() > > > > I'm happy to try patches if anyone has ideas. > > Having the fault address as well as the source file/line of > where the fault occurs could be helpful. >From 2 panics, I have 2 addresses - 0xc02cbbab and 0xc02cfb9b (Custom kernels, so I doubt those will help). The source file is src/sys/i386/i386/pmap.c, and it is in the pmap_ts_referenced() function (a short function) at about line 2895. I'm suspecting that a lock is needed. I'll need to put a serial debugger on to go any further. Does this work, or will I be wasting effort? (Getting that cable in is going to be a _pain_). M -- Mark Murray iumop ap!sdn w,I idlaH
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