Subject : [3.0-rc1][NMI/DMAR][iwlagn] errors - PCI system error (SERR) for reason a1 on CPU 0 Submitter : Shawn Starr <shawn.starr@rogers.com> Date : 2011-06-03 4:56 Message-ID : 4478124.OuFNgaPiHS@segfault.sh0n.net References : http://marc.info/?l=linux-kernel&m=130707737616116&w=2 This entry is being used for tracking a regression from 2.6.39. Please don't close it until the problem is fixed in the mainline.
On Sunday, June 19, 2011, Shawn Starr wrote: > On Sunday, June 12, 2011 10:30:54 PM Rafael J. Wysocki wrote: > > This message has been generated automatically as a part of a summary report > > of recent regressions. > > > > The following bug entry is on the current list of known regressions > > from 2.6.39. Please verify if it still should be listed and let the > > tracking team know (either way). > > > This continues in -rc3 (3.0-0.rc3.git5.1.fc16.x86_64) > > [ 22.675931] NMI: PCI system error (SERR) for reason a1 on CPU 0. > [ 163.002909] DMAR:[DMA Write] Request device [03:00.0] fault addr ffe48000 > [ 163.002911] DMAR:[fault reason 05] PTE Write access is not set > > 03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] > Network Connection > > I assume both of those are separate issues, but they continue in any case. > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=37232 > > Subject : [3.0-rc1][NMI/DMAR][iwlagn] errors - PCI system error > (SERR) > for > > reason a1 on CPU 0 Submitter : Shawn Starr <shawn.starr@XXXXX> > > Date : 2011-06-03 4:56 (10 days old)
On Tuesday, June 28, 2011, Shawn Starr wrote: > On Sunday, June 26, 2011 11:23:44 PM Rafael J. Wysocki wrote: > > This message has been generated automatically as a part of a summary report > > of recent regressions. > > > > The following bug entry is on the current list of known regressions > > from 2.6.39. Please verify if it still should be listed and let the > > tracking team know (either way). > > > This continues in -rc4, although Fedora has a patch to try to fix some DMAR > errors, it doesn't seem to work for me. > > 03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] > Network Connection > > [ 1046.002195] DMAR:[DMA Write] Request device [03:00.0] fault addr ffda6000 > [ 1046.002198] DMAR:[fault reason 05] PTE Write access is not set > [ 1048.189224] DRHD: handling fault status reg 2 > [ 1048.189240] DMAR:[DMA Write] Request device [03:00.0] fault addr ffd94000 > [ 1048.189244] DMAR:[fault reason 05] PTE Write access is not set > > $ uname -a > Linux segfault.sh0n.net 3.0-0.rc4.git0.2.fc16.x86_64 #1 SMP Wed Jun 22 > 16:27:16 UTC 2011 x86_64 x86_64 x > > Perhaps someone from Intel can comment on why this broke recently? It's not > causing me issues, just noise in logs/dmesg. > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=37232 > > Subject : [3.0-rc1][NMI/DMAR][iwlagn] errors - PCI system error > (SERR) > for > > reason a1 on CPU 0 Submitter : Shawn Starr <shawn.starr@rogers.com> > > Date : 2011-06-03 4:56 (24 days old)
On Wed, 29 Jun 2011 23:57:57 -0400 Shawn Starr <shawn.starr@rogers.com> wrote: > > Hello Rafael/Linux devs, > > You can close this bug now, regression is gone now. Both the SERR and the > DMAR (coming from iwlagn) > errors are resolved. > > Working in: -rc5 (Fedora rawhide 3.0-0.rc5.git0.1.fc16.x86_64) > > Thanks, > Shawn. Closing on the assumption that this was a vanilla kernel...