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Re: update: sys_ftruncate call lasting 17 hours on ext3 filesystem from mutt



Hi,

On Mon, Nov 11, 2002 at 12:35:02PM -0700, Neal McBurnett wrote:
> In August I reported a problem with the sys_ftruncate call that caused
> me to reboot my machine.  I didn't see any responses to it then on the
> ext3 list, and the problem is now recurring, so I thought I'd try
> again.  I don't think I've rebooted since the last problem.
>  
> In the last few days it hasn't taken as long as 17 hours, but it has
> sometimes taken unusual and uncomfortable amounts of time (many
> minutes at least). 

Please have a look at 

  https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=77669

as this sounds like the same problem.  The user in that case reports
that it happens with ext2 too.  Seems that the core VM truncate code
in that kernel is livelocking under some situations.

--Stephen





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