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Groups > linux.debian.kernel > #93238

Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices

From Bastian Blank <waldi@debian.org>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices
Date 2026-07-06 09:00 +0200
Message-ID <NdLt8-33Ew-1@gated-at.bofh.it> (permalink)
References (2 earlier) <NdeGR-2LBb-1@gated-at.bofh.it> <NdclI-2Knw-7@gated-at.bofh.it> <NdeQx-2LO3-5@gated-at.bofh.it> <NdclI-2Knw-7@gated-at.bofh.it> <NdeQx-2LO3-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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On Sat, Jul 04, 2026 at 10:08:13PM +0200, Cyril Brulebois wrote:
> Bastian Blank <waldi@debian.org> (2026-07-04):
> > On Sat, Jul 04, 2026 at 07:27:29PM +0200, Cyril Brulebois wrote:
> > >     root@iot-isobuilder-52:~# fallocate -l 1G foo.img
> > >     root@iot-isobuilder-52:~# kpartx -asv foo.img
> > Why kpartx and not losetup -P?  kpartx uses device mapper, while losetup
> > -P uses the internal partition support of the kernel.
> That's been working for me for many years, and I never noticed losetup
> -P until today. kpartx also happens to be what's used by vmdb2 in
> various recipes, including the basis for that particular image build.

Please try replacing kpartx with losetup.

Bastian

-- 
Pain is a thing of the mind.  The mind can be controlled.
		-- Spock, "Operation -- Annihilate!" stardate 3287.2

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Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices Cyril Brulebois <kibi@debian.org> - 2026-07-04 19:30 +0200
  Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices Cyril Brulebois <kibi@debian.org> - 2026-07-04 21:30 +0200
    Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices Cyril Brulebois <kibi@debian.org> - 2026-07-04 23:10 +0200
  Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices Bastian Blank <waldi@debian.org> - 2026-07-04 22:00 +0200
    Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices Cyril Brulebois <kibi@debian.org> - 2026-07-04 22:10 +0200
      Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices Bastian Blank <waldi@debian.org> - 2026-07-06 09:00 +0200
        Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices Cyril Brulebois <kibi@debian.org> - 2026-07-31 19:40 +0200
  Processed: Re: Bug#1141434: linux-image-6.12.94+deb13-amd64:  regression in loop devices "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-07-06 09:00 +0200
  Bug#1141434: [waldi@debian.org: Bug#1141434: linux-image-6.12.94+deb13-amd64: regression in loop devices] Bastian Blank <waldi@debian.org> - 2026-07-06 15:00 +0200

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