On Tuesday 21 January 2003 18:19 pm, Stephen C. Tweedie wrote: > Hi, > > On Tue, 2003-01-21 at 20:53, Pascal Nobus wrote: > > I upgraded the kernel to 2.4.18-19.7.x, changed the memory, but still got > > problems. > > I'd start by running memtest86 on it. Your oops: > > EIP is at copy_files [kernel] 0x169 (2.4.18-19.7.x) > > Call Trace: [<c011763e>] do_fork [kernel] 0x2ce (0xca5fdf6c)) > > [<c0107515>] sys_fork [kernel] 0x15 (0xca5fdfac)) > > [<c010893b>] system_call [kernel] 0x33 (0xca5fdfc0)) > > isn't actually anything to do with ext3; rather, the "copy_files" > function is an internal function which copies the the list of open files > from a parent process to its child when a process forks. Getting an > oops there is usually a sign of memory corruption, and the > > > And now and then I see this messages (sometimes without any effects) > > EXT3-fs error (device ide0(3,2)): ext3_free_blocks: Freeing block in > > system zone - block = 2 fsck: contains a file system with errors, check > > forced. > > errors are consistent with that. > > You said you've changed the memory, but it could be many other problems > --- a CPU fault, the CPU overheating (check the fan!), cache problems, a > chipset fault --- contributing to the memory corruption even if the RAM > itself is fine; or the hardware might be perfect but the BIOS settings > wrong. memtest86 is definitely the next diagnostic for you to try in > this case, as if that shows an error, you know it's definitely not a > kernel problem and you can start narrowing down which part of the > hardware is causing the trouble. > > Cheers, > Stephen > > Thought I'd throw in a link: http://www.memtest86.com/ Memtest86 has saved me many hours of hair pulling agony in diagnosing problems :). One thing to note from personal experience, let it run for an extended period (on the order of days). More obscure memory bugs/timing issues sometimes do not show up on the first couple scans/tests. Cheers, Jeremy _______________________________________________ Ext3-users@redhat.com https://listman.redhat.com/mailman/listinfo/ext3-users
