Date: Fri, 5 Dec 2003 07:13:54 +0300 From: Igor Pokrovsky <tiamat@comset.net> To: Brett Glass <brett@lariat.org> Cc: stable@freebsd.org Subject: Re: Panic during kernel rebuild; file system left inconsistent Message-ID: <20031205041354.GA1093@doom.homeunix.org> In-Reply-To: <200312040413.VAA14830@lariat.org> References: <200312040413.VAA14830@lariat.org>
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On Wed, Dec 03, 2003 at 09:13:46PM -0700, Brett Glass wrote: > I've got a 4.9 machine that's acting as a router and is lightly loaded > otherwise. (There are a significant number of interrupts from network > interface cards at all times, but disk usage is normally quite light.) When I > typed > > make depend; make; make install > > to rebuild the kernel, the system had a panic during the "make" phase. Upon > rebooting, I got a message saying that there was a "unexpected softupdates > inconsistency" in /usr. After running fsck (which reported a large number of > problems), I found that all of the files in the lost+found directory were > (maybe not surprisingly) dependency files. I repeated the build, doing > > nice make clean; sync; sleep 10; nice make depend; sync; ... > > and this time the kernel built with no problems. I suspect (though I don't > have a backtrace) that heavily loading the file system and/or the ata driver > in the presence of many other interrupts can cause a panic which softupdates > is not prepared to handle. Have others seen this? I've seen the same message about softupdates, but it appeared after unexpected power problems, when computer turned off without syncs and umounts. -ip
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