Messages in this thread |  | | Date | Tue, 21 Aug 2001 18:46:22 +0400 | From | Hans Reiser <> | Subject | Re: sync hanging |
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Corin Hartland-Swann wrote: > > Hi Hans, > > On Tue, 21 Aug 2001, Hans Reiser wrote: > > Corin Hartland-Swann wrote: > > > I'm using kernel 2.4.8-ac2 on a Dual PIII-1000 with 4096M RAM, and a > > > reiserfs filesystem on a RAID-1 mirror of two 76GB UDMA disks, and I'm > > > experiencing a strange problem after the machine has been running for a > > > while. > > > > > > Every now and again, running sync(1) (i.e. the program) seems to hang and > > > end up in state D (uninterruptible sleep). There is no way to kill it > > > (even with SIGKILL but I assume that this is typical for state D > > > processes. > > > > > > Does anyone have any idea what may be causing this? I have searched the > > > archives and couldn't find anything similar. > > > > turn off highmem, known bug, I don't know if it is solved yet. > > Is 2G RAM OK (by manually changing __PAGE_OFFSET ?) >
surf through lkm postings for more info on this bug, it is not in my area of expertise.
> Is this directly related to reiserfs (i.e. will it go away if I go back to > using ext2 or switch to xfs?)
it is completely unrelated to reiserfs.
> > How serious is the problem? Can I get away with using it as is (with > highmem) on a production server or will that cause serious repercussions?
you will be screwed if you use it on a production server, as best I understand it.
> > Thanks, > > Corin > > /------------------------+-------------------------------------\ > | Corin Hartland-Swann | Tel: +44 (0) 20 7491 2000 | > | Commerce Internet Ltd | Fax: +44 (0) 20 7491 2010 | > | 22 Cavendish Buildings | Mobile: +44 (0) 79 5854 0027 | > | Gilbert Street | | > | Mayfair | Web: http://www.commerce.uk.net/ | > | London W1K 5HJ | E-Mail: cdhs@commerce.uk.net | > \------------------------+-------------------------------------/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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