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SubjectSparc32: random invalid instruction occourances on sparc32 (sun4c)
Hi all,

I think I have found the cause of the problem.

Commit b46b8f19c9cd435ecac4d9d12b39d78c137ecd66 partially fixed alignment
issues but does not ensure that all 64bit alignment requirements of
sparc32 are met. Tests have shown that the redzone2 word can become
misallignd.

I am currently working on a posible fix.

Regards
Mark Fortescue.

On Tue, 3 Jul 2007, Michal Piotrowski wrote:

> Hi all,
>
> Here is a list of some known regressions in 2.6.22-rc7.
>
> Feel free to add new regressions/remove fixed etc.
> http://kernelnewbies.org/known_regressions
>
> List of Aces
>
> Name Regressions fixed since 21-Jun-2007
> Hugh Dickins 2
> Andi Kleen 1
> Andrew Morton 1
> Benjamin Herrenschmidt 1
> Björn Steinbrink 1
> Bjorn Helgaas 1
> Jean Delvare 1
> Olaf Hering 1
> Siddha, Suresh B 1
> Trent Piepho 1
> Ville Syrjälä 1
>
>
>
> FS
>
> Subject : 2.6.22-rc4-git5 reiserfs: null ptr deref.
> References : http://lkml.org/lkml/2007/6/13/322
> Submitter : Randy Dunlap <randy.dunlap@oracle.com>
> Handled-By : Vladimir V. Saveliev <vs@namesys.com>
> Status : problem is being debugged
>
>
>
> IDE
>
> Subject : 2.6.22-rcX: hda: lost interrupt
> References : http://lkml.org/lkml/2007/6/29/121
> Submitter : David Chinner <dgc@sgi.com>
> Status : unknown
>
>
>
> Sparc64
>
> Subject : random invalid instruction occourances on sparc32 (sun4c)
> References : http://lkml.org/lkml/2007/6/17/111
> Submitter : Mark Fortescue <mark@mtfhpc.demon.co.uk>
> Status : problem is being debugged
>
> Subject : 2.6.22-rc broke X on Ultra5
> References : http://lkml.org/lkml/2007/5/22/78
> Submitter : Mikael Pettersson <mikpe@it.uu.se>
> Handled-By : David Miller <davem@davemloft.net>
> Status : problem is being debugged
>
>
>
> Regards,
> Michal
>
> --
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