Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2

From	Salvatore Bonaccorso <carnil@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2
Date	2026-10-06 09:20 +0200
Message-ID	<NL7CV-3Qqf-9@gated-at.bofh.it> (permalink)
References	(7 earlier) <NKOJY-3Gsi-17@gated-at.bofh.it> <NJ8MN-2Mjk-3@gated-at.bofh.it> <NKOTE-3Gw0-3@gated-at.bofh.it> <NJ8MN-2Mjk-3@gated-at.bofh.it> <NKOTE-3Gw0-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi Bernhard, Aurelien, Rudolph,

On Mon, Oct 05, 2026 at 01:08:40PM +0200, Salvatore Bonaccorso wrote:
> Hi,
> 
> On Mon, Oct 05, 2026 at 01:00:22PM +0200, Bernhard Schmidt wrote:
> > On 05/10/26 07:47 AM, Salvatore Bonaccorso wrote:
> >  
> > > So this mgiht now be the same as in meanwhile reported upstream,
> > > https://lore.kernel.org/stable/20261004122616.56714cbd@nargothrond/
> > 
> > I think that looks promising. 
> > 
> > While I still cannot reproduce that with the upstream stable tree, I can
> > confirm that
> > 
> > - Debian 6.12.111-1 does not crash when there is no VLAN configured
> > - Debian 6.12.111-1 + debian/bin/test-patches with the patch from 
> >   https://lore.kernel.org/stable/ef6eb827-71a6-40a6-a4b7-8e514ab595d3@kernel.org/
> >   appears to be stable as well.
> > 
> > It has already been submitted to netdev and to stable
> > 
> > https://lore.kernel.org/netdev/20261005023812.130639-1-edumazet@kernel.org/
> 
> Thanks for having done that already; was going in fact to suggest
> exactly that to pick the change and test it with bin/test-patches.

v2 posted for testinng:
https://lore.kernel.org/netdev/20261006042153.199444-1-edumazet@kernel.org/

Regards,
Salvatore

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Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2 Bernhard Schmidt <berni@debian.org> - 2026-10-04 00:10 +0200
  Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2 Ben Hutchings <ben@decadent.org.uk> - 2026-10-04 13:30 +0200
    Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2 Bernhard Schmidt <berni@debian.org> - 2026-10-04 22:50 +0200
      Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2 Salvatore Bonaccorso <carnil@debian.org> - 2026-10-05 07:50 +0200
        Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2 Bernhard Schmidt <berni@debian.org> - 2026-10-05 13:10 +0200
          Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2 Salvatore Bonaccorso <carnil@debian.org> - 2026-10-05 13:20 +0200
            Bug#1149564: linux-image-6.12.111+deb13-amd64: 6.12.111-1 regression crash bnxt_en: DMAR: DRHD: handling fault status reg 2 Salvatore Bonaccorso <carnil@debian.org> - 2026-10-06 09:20 +0200

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