On Thu, Sep 01, 2011 at 04:50:45PM -0500, Jon Mason wrote: > On Thu, Sep 1, 2011 at 3:44 PM, <scameron@xxxxxxxxxxxxxxxxxx> wrote: > > On Thu, Sep 01, 2011 at 01:09:30PM -0700, Jesse Barnes wrote: > >> On Thu, 1 Sep 2011 15:03:49 -0500 > >> scameron@xxxxxxxxxxxxxxxxxx wrote: > >> > >> > On Thu, Sep 01, 2011 at 12:59:38PM -0700, Jesse Barnes wrote: > >> > > On Thu, 01 Sep 2011 11:50:38 -0700 > >> > > James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> 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. > >> > > > >> > > Hm I haven't been paying attention to the compromise thread; how should > >> > > I share these changes? Is master.kernel.org down indefinitely? Is > >> > > there a new server at kernel.org I can use? > >> > > >> > I can't answer that question, but I would like a copy of your revert > >> > patch(es) to test (as a simple patch --reverse of the original commit on the 3.1-rc4 > >> > tree didn't go in cleanly). > >> > >> Attached is the series. Applies on top of my for-linus branch. > > > > Thanks. I tried them out vs. 3.1-rc4, and they applied cleanly and > > make things work on my BL460g7. > > I believe modifying the MRRS values is what is causing the issues. > Can you try the attached patch and verify that it also resolves the > issue? Ok, just tried it. The mrrs_removal patch does also appear to resolve the issue. Thanks. -- steve -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
