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SubjectRe: BUG: soft lockup detected on CPU#0! in sys_close and ext3
Hi Andrew,

Thanks for your reply. The machine has 512MB and some more swap:

Mem: 510960k total, 504876k used, 6084k free, 1868k buffers
Swap: 674640k total, 2652k used, 671988k free, 354832k cached

Machine may be slow for current standards, it has 2 * 500Mhz

Kind regards,

* Andrew Morton <> [061015 21:13]:
> On Sun, 15 Oct 2006 19:56:40 +0200
> "Dennis J.A. Bijwaard" <> wrote:
> > I got two soft lockups on one of the CPUs just now. I'm unsure if this
> > problem is in ext3, sys_close, or general kernel, so I've CC'd the
> > kernel list.
> >
> > [1.] One line summary of the problem:
> >
> > BUG: soft lockup detected on CPU#0! in sys_close/fput and ext3 journaling
> Both warnings occurred when the kernel was tearing down large amounts of
> pagecache via invalidate_inode_pages(). One instances was a blockdev
> (probably the final close on the dvd) and the other was a regular file
> (perhaps a large dvd image?)
> The CPU is slow: 500MHz pIII. How much memory does it have?
> So the kernel was doing a lot of work, on a slow CPU. Perhaps that simply
> exceeded the softlockup timeout. If that's true then the machine should
> have recovered. Once it did, and once it didn't. I don't know why it
> didn't.
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