On Wed, Apr 27, 2011 at 10:53 AM, Scott Mcdermott <[log in to unmask]> wrote:
> SL users,
>
> we encountered a hung kernel with SL6, believe it is
> likely a real bug with dm code running snapshots.
>
> sata_sil24 -> md raid5 -> dm snapshot -> ext4 jbd -> hung IO
>
> checked whole site sl.org and most documents there, but
> found no information on how to report bugs.
>
> - since this is an "old" kernel relative to upstream,
> doubtful that linux-kernel cares
>
> - since this is not a "vendor" kernel i.e. paid
> rhel6, doubt redhat cares
>
> thus, not sure of the appropriate bug reporting method.
> I have tons of debug info... able to capture copious
> sysrq-induced dumps from serial console.
>
> Please advise on the appropriate procedure for
> reporting these kinds of kernel bugs.
I would recommend you file a bugzilla at https://bugzilla.redhat.com
even if you are not a customer. This is a bug report, not a support
request. We contribute upstream by reporting bugs. :-)
Speaking of a sata_sil-related bug, there used to be one as seen in
this CentOS bug tracker:
http://bugs.centos.org/view.php?id=3165
The CentOSPlus kernel had a fix for it for years until it was
eventually fixed upstream:
https://bugzilla.redhat.com/show_bug.cgi?id=640586
Akemi
