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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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