On Wed, 27 Apr 2011, Akemi Yagi wrote:

> 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.
>>
>> =A0 =A0sata_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.
>>
>> =A0- since this is an "old" kernel relative to upstream,
>> =A0 =A0doubtful that linux-kernel cares
>>
>> =A0- since this is not a "vendor" kernel i.e. =A0paid
>> =A0 =A0rhel6, 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. :-)

But do not reference Scientific Linux .

-connie sieh
>
> 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=3D3165
>
> The CentOSPlus kernel had a fix for it for years until it was
> eventually fixed upstream:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=3D640586
>
> Akemi
>