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Date: Mon, 23 Aug 2004 12:21:58 +1000
From: Tim Robbins <tjr@freebsd.org>
To: Pawel Worach <pawel.worach@telia.com>
Message-ID: <20040823022158.GA17167@cat.robbins.dropbear.id.au>
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cc: current@freebsd.org
Subject: Re: panic: getnewbuf: locked buf
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On Mon, Aug 23, 2004 at 03:47:22AM +0200, Pawel Worach wrote:
> Hi,
> 
> Got this while running ssh host "tar cf - /usr/X11R6.8" | tar xf -
> and firefox decided to crash.
> 
> FreeBSD corona 6.0-CURRENT FreeBSD 6.0-CURRENT #0: Sun Aug 22 19:15:47 
> CEST 2004     root@darkstar:/export/data/obj/usr/src/sys/CORONA  i386
> 
> #0  doadump () at pcpu.h:159
> #1  0xc04f9654 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:396
> #2  0xc04f9a09 in panic (fmt=0xc06afa0b "getnewbuf: locked buf")
>     at /usr/src/sys/kern/kern_shutdown.c:552
> #3  0xc054e71e in getnewbuf (slpflag=0, slptimeo=0, size=16384, 
> maxsize=16384)
>     at /usr/src/sys/kern/vfs_bio.c:1879

This is the same problem as PR 70705. The recent lockmgr() fixes from PR 69964
seem to have introduced other bugs. Work is currently underway on fixing this.


Tim