Re: [BUG] scsi: hpsa: how to destroy your files

Jesse Barnes
2011-09-01T18:58:39Z

On Thu, 01 Sep 2011 11:50:38 -0700
James Bottomley <James.Bottomley@HansenPartnership.com> wrote:

> On Thu, 2011-09-01 at 10:58 -0700, Roland Dreier wrote:
> > > OK I found the bad commit,I got lucky... I lost some files but my
> > > machine was able to complete the bisection. CC involved people
> >
> > > # bad: [b03e7495a862b028294f59fc87286d6d78ee7fa1] PCI: Set PCI-E Max Payload Size on fabric
> >
> > Hi Eric,
> >
> > I guess it would be useful to see "lspci -vv" output with a "good" kernel
> > and with that bad patch applied. Most likely we should see some difference
> > somewhere in the MaxPayload fields in the PCI Express capability of
> > some device.
> >
> > Either the RAID controller or something else lies, and puts a value
> > in the DevCap that it can't actually support, or else the patch is
> > buggy and puts something out of range in a DevCtl somewhere.
>
>
> While we investigate, I think the problems produced by the patch (data
> corruption) are serious enough to warrant reverting it, please Jesse.

Yep, I just got another report about it today too, I'll queue the
revert.

--
Jesse Barnes, Intel Open Source Technology Center