2.6.22-rc2: known regressions with patches

2.6.22-rc2: known regressions with patches

[Michal Piotrowski]

Hi all,

Here is a list of some known regressions in 2.6.22-rc2
with patches available.

Feel free to add new regressions/remove fixed etc.
http://kernelnewbies.org/known_regressions



Block devices

Subject    : loop devices limited to one single device
References : http://lkml.org/lkml/2007/5/16/229
Submitter  : Uwe Bugla <uwe.bugla@gmx.de>
Handled-By : Ken Chen <kenchen@google.com>
Patch      : http://lkml.org/lkml/2007/5/21/483
Status     : patch available



File systems

Subject    : 2.6.21-git10/11: files getting truncated on xfs
References : http://lkml.org/lkml/2007/5/9/410
Submitter  : Jeremy Fitzhardinge <jeremy@goop.org>
Handled-By : David Chinner <dgc@sgi.com>
Patch      : http://lkml.org/lkml/2007/5/12/93
Status     : patch available



Memory management

Subject    : bug in i386 MTRR initialization
References : http://lkml.org/lkml/2007/5/19/93
Submitter  : Andrea Righi <righiandr@users.sourceforge.net>
Status     : patch available



SATA/PATA

Subject    : pata_via appears to incorrectly detects 40-pin cable
References : http://lkml.org/lkml/2007/5/17/273
             http://bugzilla.kernel.org/show_bug.cgi?id=8142
Submitter  : Francis Russell <francisrussell@btopenworld.com>
Status     : Not really a regression. Alan seems to have a general fix.
             (Tejun Heo)

Subject    : libata reset-seq merge broke sata_sil on sh
References : http://lkml.org/lkml/2007/5/10/63
Submitter  : Paul Mundt <lethal@linux-sh.org>
Handled-By : Tejun Heo <htejun@gmail.com>
Caused-By  : commit 4750def52cb2c21732dda9aa1d43a07db37b0186
Patch      : http://lkml.org/lkml/2007/5/19/161
Status     : patch available



x86-64

Subject    : BUG: at mm/slab.c:777 __find_general_cachep()
References : http://lkml.org/lkml/2007/5/18/17
Submitter  : Jeff Garzik <jeff@garzik.org>
Handled-By : Ben Collins <ben.collins@ubuntu.com>
Patch      : http://lkml.org/lkml/2007/5/18/19
Status     : patch available



Regards,
Michal

--
"Najbardziej brakowało mi twojego milczenia."
-- Andrzej Sapkowski "Coś więcej"

Re: 2.6.22-rc2: known regressions with patches

[Alan Cox]

> Subject    : pata_via appears to incorrectly detects 40-pin cable
> References : http://lkml.org/lkml/2007/5/17/273
>              http://bugzilla.kernel.org/show_bug.cgi?id=8142
> Submitter  : Francis Russell <francisrussell@btopenworld.com>
> Status     : Not really a regression. Alan seems to have a general fix.
>              (Tejun Heo)

The laptop one has been resolved, tested and fired at Andrew.

Note btw that the bugzilla and email refer to two differing bugs. The
SATA one (bugzilla ref) has gone to Jeff and is a different fix.

Alan

Re: 2.6.22-rc2: known regressions with patches

[Andrew Morton]

On Thu, 24 May 2007 16:11:16 +0100 Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> > Subject    : pata_via appears to incorrectly detects 40-pin cable
> > References : http://lkml.org/lkml/2007/5/17/273
> >              http://bugzilla.kernel.org/show_bug.cgi?id=8142
> > Submitter  : Francis Russell <francisrussell@btopenworld.com>
> > Status     : Not really a regression. Alan seems to have a general fix.
> >              (Tejun Heo)
> 
> The laptop one has been resolved, tested and fired at Andrew.

Do you recall the Subject: on that patch?

> Note btw that the bugzilla and email refer to two differing bugs. The
> SATA one (bugzilla ref) has gone to Jeff and is a different fix.

And that?

Thanks.

Re: 2.6.22-rc2: known regressions with patches

[Fabio Comolli]

Hi.

> Block devices
>
> Subject    : loop devices limited to one single device
> References : http://lkml.org/lkml/2007/5/16/229
> Submitter  : Uwe Bugla <uwe.bugla@gmx.de>
> Handled-By : Ken Chen <kenchen@google.com>
> Patch      : http://lkml.org/lkml/2007/5/21/483
> Status     : patch available
>

I just noticed that I have this issue; anyway, this patch works fine
for me (with -rc3)

[root@tycho mnt]# mkdir 1  2  3  4  5 6
[root@tycho mnt]# for i in `ls`
> do
> mount -o loop=/dev/loop$i /home/F-7-i386-DVD.iso /mnt/$i
> done
[root@tycho mnt]# df -k
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda2              4061572   2910092    941408  76% /
/dev                    515908        36    515872   1% /dev
none                    515908        16    515892   1% /dev/shm
/dev/sda4             27617068   7206108  19008084  28% /home
/home/F-7-i386-DVD.iso
                       2832620   2832620         0 100% /mnt/1
/home/F-7-i386-DVD.iso
                       2832620   2832620         0 100% /mnt/2
/home/F-7-i386-DVD.iso
                       2832620   2832620         0 100% /mnt/3
/home/F-7-i386-DVD.iso
                       2832620   2832620         0 100% /mnt/4
/home/F-7-i386-DVD.iso
                       2832620   2832620         0 100% /mnt/5
/home/F-7-i386-DVD.iso
                       2832620   2832620         0 100% /mnt/6

Regards,
Fabio