[techtalk] free_one_pmd: bad directory entry 00000020
sstrout at nc.rr.com
Sat Jan 20 19:52:30 EST 2001
> > -----Original Message-----
> > From: techtalk-admin at linuxchix.org
> > [mailto:techtalk-admin at linuxchix.org]On Behalf Of Jeff Dike
> > Sent: Friday, January 19, 2001 2:03 PM
> > To: Shawn Strout
> > Cc: techtalk
> > Subject: Re: [techtalk] free_one_pmd: bad directory entry 00000020
> > > free_one_pmd: bad directory entry 00000020
> > > Is this a kernel error and how severe is it? Should I worry?
> > This looks like a NULL which has had a one-bit error in it. If
> > so, you have
> > some flaky memory.
> > It could crash your system if it happens in the right place. The
> > error above
> > happened in a page table, which pretty serious. If it had
> > switched a bit in a
> > non-zero pmd, you could have had some pretty serious data corruption.
> Could you please be more specific? IANAKH (I Am Not A Kernel Hacker). What
> is a NULL in this context and what kind of "directory" is it? I thought it
> referred to the disk, but it sounds like you're saying it's a RAM problem.
> It is happening frequently - sometimes several in a second and
> sometimes 10
> minutes between. It is always in the same address, 00000020.
> Do you have any suggestions on how to debug or correct it? Should I start
> pulling RAM out of my machine and see if goes away?
> Are you sure this is related to memory, or could there be some
> other cause?
And now I get
BUG IN DYNAMIC LINKER ld.so: ../sysdeps/i386/dl-machine.h: 380:
elf_machine_rel: Assertion `! "unexpected dynamic reloc type"' failed!
when I try to start sshd. The plot thickens.
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