Date: Sat, 23 Jan 1999 00:05:20 -0500 (EST) From: Brian Feldman <green@unixhelp.org> To: Manfred Antar <mantar@netcom.com> Cc: Peter Wemm <peter@netplex.com.au>, Matthew Dillon <dillon@apollo.backplane.com>, current@FreeBSD.ORG Subject: Re: panic: found dirty cache page 0xf046f1c0 Message-ID: <Pine.BSF.4.05.9901230003240.25658-100000@janus.syracuse.net> In-Reply-To: <4.1.19990122190240.00a1f7c0@192.168.0.1>
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On Fri, 22 Jan 1999, Manfred Antar wrote:
> At 10:34 AM 1/23/99 +0800, Peter Wemm wrote:
> >Dual p5-90 w/ 48M ram, doing a major cvs update/merge (which mostly got
> >lost):
> >
> >panic: found dirty cache page 0xf046f1c0
> >mp_lock = 01000001; cpuid = 1; lapic.id = 01000000
> >Debugger("panic")
> >Stopped at Debugger+0x37: movl $0,in_Debugger
> >db> trace
> >Debugger(f01f1806) at Debugger+0x37
> >panic(f01fbb50,f046f1c0,0,80,f45cbb20) at panic+0xa4
> >vm_page_alloc(f45f6f68,80,3,0,80) at vm_page_alloc+0x114
> >vm_page_grab(f45f6f68,80,83,0,80) at vm_page_grab+0x8d
> >_pmap_allocpte(f45cbb20,80,201df000,201df000,2a86000) at _pmap_allocpte+0x19
> >pmap_allocpte(f45cbb20,201df000,f02c4df4,201df000,f45cbac0) at
> >pmap_allocpte+0x53
> >pmap_enter(f45cbb20,201df000,2a86000,5,0) at pmap_enter+0x3d
> >vm_fault(f45cbac0,201df000,1,0,f4195180) at vm_fault+0x891
> >trap_pfault(f45f9fbc,1,201df236) at trap_pfault+0xf2
> >trap(27,27,ffffffff,5,efbfad38) at trap+0x1c2
> >calltrap() at calltrap+0x3c
> >--- trap 0xc, eip = 0x201df236, esp = 0xefbfac4c, ebp = 0xefbfad38 ---
> >db> c
> >boot() called on cpu#1
> >
> >syncing disks... 232 232 232 232 232 232 232 232 232 232 232 232 232 232 232
> >232
> > 232 232 232 232 giving up
> >1: dev:ffffffff, flags:20020034, blkno:1057008, lblkno:0
> >[..]
> >
> >This was compiled two houts ago from absolute latest -current:
> >FreeBSD spinner.netplex.com.au 4.0-CURRENT FreeBSD 4.0-CURRENT #385:
> >Sat Jan 23 08:38:42 WST 1999
> >peter@spinner.netplex.com.au:/home/src/sys/compile/SPINNER i386
> >
> >My other SMP machine (2xPPro200) seems to be running fine:
> >FreeBSD beast.netplex.com.au 4.0-CURRENT FreeBSD 4.0-CURRENT #267:
> >Thu Jan 21 21:39:45 WST 1999
> >peter@beast.netplex.com.au:/home/src/sys/compile/BEAST i386
> >
> >Cheers,
> >-Peter
> >
> I just got the same thing doing a make -j8 world
> Machine is a dual pentium pro Intel PR440FX
> This must be from the recent vm changes as I could make -j8 world
> continually a
> few days ago without problem. This is the second time it happened to me
> the first time I was running X so I couldn't see the debugger message .
> This time without X I got the :
>
> panic: found dirty cache page
You should definitely be using DDB_UNATTENDED, by the way, if you're going
to be running X and want DDB but not to have DDB try to pop up on a panic.
I did get DDB_UNATTENDED behavior finally working as well as it should, so
there's no reason not to use it.
>
> Manfred
> =====================
> || mantar@netcom.com ||
> || pozo@infinex.com ||
> || Ph. (415) 681-6235 ||
> =====================
>
>
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