Date: Mon, 11 Aug 2003 03:56:49 +0200 From: =?ISO-8859-1?Q?Erik_Ran=E0?= <erikrana@hem.passagen.se> To: freebsd-stable@freebsd.org Subject: Re: Strange things going on with 4.8 Message-ID: <3F36F7E1.4040803@hem.passagen.se> In-Reply-To: <200308110040.56138.dgw@liwest.at> References: <200308102227.51564.dgw@liwest.at> <20030810151936.Q69012@carver.gumbysoft.com> <200308110040.56138.dgw@liwest.at>
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Daniela wrote: >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 > > > Maybe http://www.memtest86.com/ can help you out? Check if the motherboard manufactuer has some tests to check the hardware? I saw some problems with syncing disks, maybe harddrive problems? Check with the manufacturer of the harddrive if they have some testutillity to check if the harddrive is healthy?` /Erik
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