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Date:      Wed, 23 May 2001 16:05:42 -0700 (PDT)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Matthew Jacob <mjacob@nas.nasa.gov>
Cc:        alpha@FreeBSD.org
Subject:   RE: 2 panics
Message-ID:  <XFMail.010523160542.jhb@FreeBSD.org>
In-Reply-To: <200105232214.f4NME5C33560@peachy.nas.nasa.gov>

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On 23-May-01 Matthew Jacob wrote:
> 
> 
> (sending from feral is broken now)
> Top of tree as off 2 hours ago:
> (SMP kernel on a UP)
> recursed on non-recursive lock (sleep mutex) vm @
> ../../ufs/ufs/ufs_readwrite.c:411
> first acquired @ ../../vm/vnode_pager.c:913
> panic: recurse
> cpuid = 0; panic
> Stopped at      Debugger+0x34:  zapnot  v0,#0xf,a0      <v0=0x0,a0=0x6>
> db> t
> Debugger() at Debugger+0x34
> panic() at panic+0x178
> witness_lock() at witness_lock+0x488
> ffs_write() at ffs_write+0x108
> vnode_pager_generic_putpages() at vnode_pager_generic_putpages+0x1c4
> vop_stdputpages() at vop_stdputpages+0x30
> vop_defaultop() at vop_defaultop+0x2c
> ufs_vnoperate() at ufs_vnoperate+0x2c
> vnode_pager_putpages() at vnode_pager_putpages+0x3d8
> vm_pageout_flush() at vm_pageout_flush+0x244
> (null)() at 0xfffffc0000000005

I just broke^H^H^H^H^Hfixed several things in the VM, so you might want to
update and try again.

> (SMP kernel on a 4-way 4100 with 2 processor disabled):
> 
> dev = da2a, block = 2148064, fs = /
> panic: ffs_blkfree: freeing free block
> cpuid = 1; panic
> Stopped at      Debugger+0x34:  zapnot  v0,#0xf,a0      <v0=0x0,a0=0x6>
> db> t
> Debugger() at Debugger+0x34
> panic() at panic+0x178
> ffs_blkfree() at ffs_blkfree+0x2ac
> indir_trunc() at indir_trunc+0x1f0
> handle_workitem_freeblocks() at handle_workitem_freeblocks+0x108
> process_worklist_item() at process_worklist_item+0x218
> softdep_process_worklist() at softdep_process_worklist+0x1a8
> sched_sync() at sched_sync+0x2f4
> fork_exit() at fork_exit+0x130
> exception_return() at exception_return

I don't know about this one.  Kirk might be interested however.

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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