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Re: Crash-report; 2.2.19pre14-ext3-0.0.6b



Hi,

On Wed, Feb 28, 2001 at 11:11:12AM +0100, Per Andreas Buer wrote:
> Our main NFS-server, running Debian Potato, died this morning whilst
> under quite heavy load - due to a runaway perl-script forking of some
> 200 instances of "/bin/cp" (the load was ~ 50). The server is running
> 2.2.19pre14 with ext3-0.0.6b. The server is running kernel-nfs.
> 
> Assertion failure in journal_dirty_metadata() at transaction.c line 796: "bh->b_next_transaction == transaction"
> Unable to handle kernel NULL pointer dereference at virtual address 00000000
> current->tss.cr3 = 07ad0000, %cr3 = 07ad0000
> *pde = 00000000
> Oops: 0002
> CPU:    1
> EIP:    0010:[<c0154731>]
> EFLAGS: 00010282
> eax: 00000074   ebx: cffe3c80   ecx: ca5b6000   edx: 0000003a
> esi: cb34eec0   edi: c40a5640   ebp: c8f697e0   esp: c5125f14
> ds: 0018   es: 0018   ss: 0018

This most likely indicates that somewhere, the VM tried to recurse
into ext3 while a transaction on a different partition was already in
progress.  Do you still have the backtrace so I can see where this
happened?

I should be able to reproduce this, I'll let you know how it goes.

Cheers,
 Stephen





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