On Wed, Jul 09, 2008 at 03:00:04PM +0000, Gary Hawco wrote: > Segfaults have returned with snapshots compiled after 070908--0010hrs GMT. > > That one worked fine. > > The next one I tried (070908/0025hrs GMT) caused segfaults in both Gentoo & > Slackware (a first for Slackware) when trying to untar > linux-2.6.26-rc9.tar.bz2 tarball) > > I then rolled back two snapshots to 070908/0012hrs GMT) and it segfaulted > in both operating systems doing same untarring function. > > So, apparently, since 0010snapshot > (ext4-patch-queue-bfb23cf4cd345552c774142cb10ac1225caf35f5.tar.gz) works fine > > and 0012snapshot > (ext4-patch-queue-be66b0c5c3f4293176301c0ddcb8db95b0576cb4.tar.gz) > segfaults, the > Add ext4-fix-mb_find_next_bit-return.patch must be the culprit. Is your file system full when this happens ? Which user space call cause the segfault ? An strace should be able to help you find that. We actually have modified ext4 to give SIGBUS when we hit ENOSPC during mmap write. For ex: root:/ext4# /root/mmaptest ./test4 0 100 mmaping 0 to 100 Bus error (core dumped) root:/ext4# -aneesh -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html