Feel free to add new/remove fixed etc.

Will be fixed in 2.6.23

Unclassified

To:
Ian McDonald <ian.mcdonald@jandi.co.nz>
William Cohen <wcohen@redhat.com>
S. P. Prasanna <prasanna@in.ibm.com>

Subject    : CONFIG_DEBUG_RODATA prevents kprobes from working on 2.6.22-rc2
References : http://lkml.org/lkml/2007/5/23/202
Submitter  : William Cohen <wcohen@redhat.com>
             Ian McDonald <ian.mcdonald@jandi.co.nz>
Handled-By : S. P. Prasanna <prasanna@in.ibm.com>
Patch      : http://lkml.org/lkml/2007/6/7/2
Status     : patch available

SELinux

Stephen Smalley <sds@tycho.nsa.gov>
James Morris <jmorris@namei.org>
Eric Paris <eparis@parisplace.org>
Ingo Molnar <mingo@elte.hu>

Subject    : very high non-preempt latency in context_struct_compute_av()
References : http://lkml.org/lkml/2007/6/4/78
Submitter  : Ingo Molnar <mingo@elte.hu>
Handled-By : Stephen Smalley <sds@tycho.nsa.gov>
             James Morris <jmorris@namei.org>
Patch      : http://lkml.org/lkml/2007/6/7/334
Status     : patch available
             (This patch is queued for -mm, and will be submitted for 2.6.23.
                                             -- James Morris)

USB

linux-usb-devel@lists.sourceforge.net
Greg Kroah-Hartman <gregkh@suse.de>
Paulo Pereira <pfmp.404@gmail.com>
Alan Stern <stern@rowland.harvard.edu>

Subject    : list_add corruption. prev->next should be next (f7d28794), but was f0df8ed4 (prev=f0df8ed4) Kernel Bug at lib/list_debug.c:33
References : http://bugzilla.kernel.org/show_bug.cgi?id=8561
Submitter  : Paulo Pereira <pfmp.404@gmail.com>
Handled-By : Alan Stern <stern@rowland.harvard.edu>
Patch      : http://bugzilla.kernel.org/show_bug.cgi?id=8561#c8
Status     : patch was suggested
             (Ok, it's queued up for after 2.6.22 is out as it is not a regression and is kind of intrusive.)

2.6.23 regressions

List of Aces http://kernelnewbies.org/known_regressions_stats (a.k.a statistics)

SELinux

To:
Stephen Smalley <sds@tycho.nsa.gov>
James Morris <jmorris@namei.org>
Eric Paris <eparis@parisplace.org>
Paul Moore <paul.moore@hp.com>

Subject         : "SELinux: use SECINITSID_NETMSG instead of SECINITSID_UNLABELED for NetLabel" patch breaks systems with recent selinux policy.
References      : http://lkml.org/lkml/2007/7/12/362
Last known good : 2.6.22-git2
Submitter       : Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Caused-By       : Paul Moore <paul.moore@hp.com>
                  commit 9faf65fb6ee2b4e08325ba2d69e5ccf0c46453d0
Handled-By      : ?
Status          : unknown

http://kernelnewbies.org/known_regressions_2622 regressions in 2.6.22

http://kernelnewbies.org/known_regressions_2621 regressions in 2.6.21 (unmaintained)

Distro-tracked regressions

Gentoo

[http://bugs.gentoo.org/buglist.cgi?query_format=advanced&short_desc_type=allwordssubstr&short_desc=&long_desc_type=substring&long_desc=&bug_file_loc_type=allwordssubstr&bug_file_loc=&status_whiteboard_type=anywordssubstr&status_whiteboard=&keywords_type=allwords&keywords=&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&bug_status=RESOLVED&resolution=UPSTREAM&resolution=---&emailassigned_to1=1&emailtype1=substring&email1=&emailassigned_to2=1&emailreporter2=1&emailcc2=1&emailtype2=substring&email2=&bugidtype=include&bug_id=&chfieldfrom=&chfieldto=Now&chfieldvalue=&cmdtype=doit&order=Reuse+same+sort+as+last+time&query_based_on=Kernel+regressions&field0-0-0=status_whiteboard&type0-0-0=regexp&value0-0-0=linux-2\.6\..*-regression Click here]

This list is kept relatively up-to-date. Gentoo kernels are only lightly patched, and the majority of bugs have been reproduced on unpatched kernels and reported upstream. Gentoo only track release kernels, not -rc releases (it's nice to see the scope of Adrian's previous work increased).