On Thu, Mar 10, 2011 at 8:59 PM, Marc Kleine-Budde <[email protected]> wrote: > Hello Andrew, > > On 03/10/2011 07:53 PM, Dr Andrew John Hughes wrote: >> [Please CC me on responses as I'm not subscribed] >> >> Hi, >> >> I seem to have uncovered a regression in the NFS code between 2.6.37 and >> 2.6.37.1 >> caused by this changeset: >> >> commit 55ea499d60aefa3d03a77fc8590c26b5881faa92 >> Author: Trond Myklebust <[email protected]> >> Date: Sat Jan 8 17:45:38 2011 -0500 >> NFS: Don't use vm_map_ram() in readdir >> http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.37.y.git;a=commit;h=6650239a4b01077e80d5a4468562756d77afaa59 >> >> With this change applied, copying of files between NFS and non-NFS >> mounts seems to be broken. The easiest way I've found to replicate >> this myself is to use a VCS to do a clone of a tree on a NFS mount to >> a directory on a non-NFS mount. I used Mercurial, as I had Mercurial >> trees to hand from work on IcedTea, but I assume doing it with a git >> tree such as the linux tree would also work. The idea is to do >> something which involves copying over a bunch of directories and >> checking the result is readable. >> >> $ hg clone $HOME/projects/openjdk/icedtea6-hg >> destination directory: icedtea6-hg >> updating to branch default >> abort: >> data/contrib/templater/hotspot/src/cpu/CPU/vm/bytecodeInterpreter_CPU.inline.hpp.i@16d04ce16287: >> no match found! >> >> In the above, $HOME is an NFS mount and $PWD is a local reiserfs >> partition. I initially hit failures doing builds with source on $HOME >> and the build directory on a local reiserfs partition. In that >> scenario, it would fail as not being able to find files that should >> have been copied over. >> >> Reverting the changeset fixes the issue. 2.6.37.2 still has the bug. >> I haven't checked 2.6.37.3 yet but I didn't see any NFS changes in there. > > Which arch are you using? As this patch is also part of the upcoming > 2.6.38, can you check if the latest .38 is affected, too?
Looking at the Gentoo bug report, I think Andrew is using x86-64: https://bugs.gentoo.org/show_bug.cgi?id=357121 _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
