Messages in this thread | | | From | Andreas Dilger <> | Date | Sun, 17 Mar 2002 20:03:17 -0700 | Subject | Re: mke2fs (and mkreiserfs) core dumps |
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On Mar 17, 2002 10:37 -0800, Mike Fedyk wrote: > On Sun, Mar 17, 2002 at 12:26:53AM -0700, Andreas Dilger wrote: > > Yes, I have always considered this a kernel bug (introduced in 2.4.10), > > but my (admittedly feeble) attempts to get it fixed were not accepted. > > At one point I thought a fix went into 2.4.18-pre[12] or so, but I > > guess not. I haven't tried in a while, so maybe I should make another > > attempt. > > > > Was that part of the 2.4.10-pre11 -aa VM merge, or was it from another > seperate patch?
Well, at the same time as Linus merged -aa VM, he also merged blockdev-in-pagecache from -aa. This caused this problem, among others. With blockdev-in-pagecache, the kernel thinks block device access is the same as reading a file, so it imposes file limits. It also caused the problem that the block device (pagecache) and the filesystem (buffer cache) were not coherent, causing e2fsck, tune2fs, etc to not work.
Cheers, Andreas -- Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto, \ would they cancel out, leaving him still hungry?" http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert
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