Date: Mon, 11 Aug 2003 00:40:56 +0000 From: Daniela <dgw@liwest.at> To: Doug White <dwhite@gumbysoft.com> Cc: stable@freebsd.org Subject: Re: Strange things going on with 4.8 Message-ID: <200308110040.56138.dgw@liwest.at> In-Reply-To: <20030810151936.Q69012@carver.gumbysoft.com> References: <200308102227.51564.dgw@liwest.at> <20030810151936.Q69012@carver.gumbysoft.com>
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On Sunday 10 August 2003 22:22, Doug White wrote: > On Sun, 10 Aug 2003, Daniela wrote: > > I'm having problems no end on my 4.8-STABLE box, and I hope you can help > > me. > > > > My processes get lots of signals (mostly 6, 10 and 11), and my kernel > > dumps core very often. I have the core dumps from the 4 latest crashes. > > See attachment for more info. > > Notice the common values for IdlePTD and initial pcb. Does this mean > > anything? > > Not particularly ... > > These types of problems are generally caused by: > > 1. Bad memory > 2. Overheated processor, or some similar CPU fault > 3. Bad memory > > > 1) Some time ago KDE was hanging in disk wait state forever. > > 'inode'? > > > 2) When rebuilding the world, make sometimes fails, but when I retry, it > > either works, or fails elsewhere. I have not seen this on -STABLE, only > > on 5.0-RELEASE (on the same computer). > > 5.0-R isn't very representative. You'd have to check against -current. > > > I have already tested the memory (no errors). There weren't any problems > > with 4.6-RELEASE on my old box. > > How did you test the memory? Generally short of using a hardware SIMM > tester its very difficult to identify bad modules. memtest86 run over the > period of several hours can sometimes work. > > BIOS "tests" don't count. I used sysutils/memtest from the ports, and let it run over night. BTW, is there some kind of "operating system" that boots off a floppy and just tests the memory? That would be useful because memtest can't test all the memory. What other diagnostic software could I use? Daniela
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