Hi Friedemann, On Tue, May 05, 2026 at 04:36:44AM +0200, Friedemann Stoyan wrote: > On 4.05.26 08:10, Salvatore Bonaccorso wrote: > > Hello Salvatore, > > > Thank you very much for doing this work, much appreciated. Can you > > check, applying the following upstream change will fix the problem? > > > > https://git.kernel.org/linus/9e249c48412828e807afddc21527eb734dc9bd3d > > ? > > > > The commit is not applying cleanly, attached is an attempt of a > > backport, but I could not yet test it. If you can, and it builds and > > fixes the problem please report back as well so we can confirm the > > backport request upstream. if it does not work we need to look > > further. > > I applied your backport patch: > 0001-iommu-amd-serialize-sequence-allocation-under-concur.patch > It completely resolves the issue.
Thanks for reporting back quickly. I will double check if in meanwhile it is known upstream for backporting and otherwise ask that it get picked in next updates for the 6.12.y series. Regards, Salvatore
