> -----Original Message----- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Thursday, May 12, 2016 9:51 AM > To: Zytaruk, Kelly > Cc: Feng Wu; Kevin Tian; xen-devel@lists.xen.org > Subject: RE: [Xen-devel] panic("queue invalidate wait descriptor was not > executed\n") > > >>> On 12.05.16 at 14:36, <kelly.zyta...@amd.com> wrote: > >> From: Jan Beulich [mailto:jbeul...@suse.com] > >> Sent: Thursday, May 12, 2016 5:49 AM > >> >>> On 11.05.16 at 15:51, <kelly.zyta...@amd.com> wrote: > >> > During Xen boot I am seeing the panic in the subject line from > >> > .../xen/drivers/passthrough/vgt/qinval.c > >> > >> And this is with current staging, or some much older version of Xen? > >> (ISTR some issue with the invalidation request getting sent to the > >> wrong IOMMU, leading to a timeout.) > > > > No this is not current Xen, it is with 4.2. > > > > Can you tell me more about the invalidation request getting sent to > > the wrong IOMMU problem and approximately when it was fixed? If you > > could identify the patch I could back port it into my copy of Xen for > > testing. > > Note that 4.2.5 has said change, and also note that you could have done > exactly > what I have done now - go through the list of commits altering files in the > vtd/ > subtree.
Unfortunately GIT is not my strong suit :( I am still learning to navigate with it. I guess part of my problem with GIT is that I don't yet know what I don't know. >This is what I've been remembering: > http://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=84c340ba4c3eb9927 > 8b6ba885616bb183b88ad67 The comment on this link describes exactly what I am experiencing. Thanks so much. > > Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel