On Mon, Jun 25, 2012 at 12:38:03PM -0400, Jeff Moyer wrote: > "Richard W.M. Jones" <rjones@xxxxxxxxxx> writes: > > > On Mon, Jun 18, 2012 at 07:59:30AM +0200, Torsten Hilbrich wrote: > >> Hello, > >> > >> a software that tries to mount each existing partition as ext3 file system started to fail when updating from v3.3.7 to v3.3.8. > >> > >> The applications then hangs-up in the mount syscall, here is a snapshot of its stack at this moment: > > > > We just ran into what we think is the same problem. > > > > Note that ext4 fails like this for any 1024 byte sized filesystem (of > > zeroes) that you try to mount. It's really nothing to do with > > extended partitions. > > > > Here is a very simple reproducer + stack trace: > > > > https://bugzilla.redhat.com/show_bug.cgi?id=835019#c4 > > > > I will try out the patch suggested later on in this thread. > > Please try the attached patch instead. The patch I had originally > posted for this allowed marking the first buffer beyond EOD as > uptodate. This isn't correct. The patch I've attached below fixes the > infinite loop in __getblk_slow. Thanks Jeff. I'm trying it now. We also found a related bug in isofs: https://bugzilla.redhat.com/show_bug.cgi?id=835084 So I will check whether your patches fixes that one too. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones New in Fedora 11: Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 70 libraries supprt'd http://fedoraproject.org/wiki/MinGW http://www.annexia.org/fedora_mingw -- 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
