-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Stefan Richter wrote: > Rafael J. Wysocki wrote: >> On Sunday 17 May 2009, Ingo Molnar wrote: >>> * Rafael J. Wysocki <rjw@xxxxxxx> wrote: >>>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13321 >>>> Subject : kernel crash with NULL pointer when boot >>>> Submitter : Martin Bammer <mrb74@xxxxxx> >>>> Date : 2009-05-16 12:37 (1 days old) >>>> References : http://lkml.org/lkml/2009/5/16/100 >>> that crash is in reiserfs_for_each_xattr(), during sys_unlink()'s >>> xattr teardown. >>> >>> There's been a good deal of reiserfs changes in this cycle - some >>> touch the xattr code as well. Some of them fairly late in the cycle, > > (Also, the bug is reportedly a post -rc5 regression.) > >>> in the last two weeks: >>> >>> earth4:~/tip> gll v2.6.29..linus --since=two-weeks-ago fs/reiserfs/ >>> 2a32ceb: Fix races around the access to ->s_options >>> 677c9b2: reiserfs: remove privroot hiding in lookup >>> b82bb72: reiserfs: dont associate security.* with xattr files >>> ab17c4f: reiserfs: fixup xattr_root caching >>> edcc37a: Always lookup priv_root on reiserfs mount and keep it >>> 5a6059c: reiserfs: Expand i_mutex to enclose lookup_one_len >>> >>> Martin, you could try a blind revert of say ... ab17c4f, which looks >>> the most suspect and which is also a rather large commit. >>> >>> Or/and you could try a bisect - perhaps accelerated via: >>> >>> git bisect start fs/reiserfs/ >> >> I think there's a fix already for this in the works, but it hasn't >> been merged >> yet. It looks like Jeff has just posted some reiserfs fixes. :-) > > I'd say Martin should try Jeff's pending patches before a revert or > before starting a bisection. Either apply them from > http://lkml.org/lkml/2009/5/17/6, or pull from > git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6.git for-next > or wait for them to appear in Linus' tree... > > I for one didn't test the post v2.6.30-rc5 changes to reiserfs, but I > did try them _together_ with the four pending patches on a system with > reiserfs root filesystem and extended attributes disabled in the config. > Everything is fine here after almost a week uptime. Yes, this bug is known and is fixed with "[patch 2/4] [PATCH] reiserfs: deal with NULL xattr root w/ xattrs disabled" - -Jeff - -- Jeff Mahoney SUSE Labs -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iEYEARECAAYFAkoQGEIACgkQLPWxlyuTD7K8kwCfUEq36jJvY+FzzuvWbAyOYX+r BPwAniRe6a7Cj8n5+vC2Zmwfp1hRRUb1 =fh19 -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
