Bug#1075713: linux: D-I's X fails to start under kvm -vga qxl

From	Cyril Brulebois <kibi@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.maint.boot, linux.debian.kernel
Subject	Bug#1075713: linux: D-I's X fails to start under kvm -vga qxl
Date	2024-07-15 01:20 +0200
Message-ID	<J0gFz-2aX9-1@gated-at.bofh.it> (permalink)
References	<IW8dz-7oP1-5@gated-at.bofh.it> <IZOpX-1QQm-1@gated-at.bofh.it> <IW8dz-7oP1-5@gated-at.bofh.it> <IZOpX-1QQm-1@gated-at.bofh.it>
Organization	Debian

Cross-posted to 3 groups.

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Tj <tj.iam.tj@proton.me> (2024-07-13):
> After reverting the recent sysfb commits:
> 
> linux$ git l -n 15
> e932a4281dfd4 2024-07-13 17:27:49 +0100 N Tj Revert "firmware/sysfb: Set firmware-framebuffer parent device"
> c16bbb2e6863d 2024-07-13 17:27:49 +0100 N Tj Revert "firmware/sysfb: Create firmware device only for enabled PCI devices"
> a0e9d42816f8b 2024-07-13 17:27:49 +0100 N Tj Revert "firmware/sysfb: Update screen_info for relocated EFI framebuffers"
> ccadd360898d6 2024-07-13 17:27:48 +0100 N Tj Revert "firmware/sysfb: fix an error code in sysfb_init()"
> 10b1da91d6e42 2024-07-13 17:27:48 +0100 N Tj Revert "firmware: sysfb: Fix reference count of sysfb parent device"
> 4b3921872d1e1 2024-07-12 09:20:11 +0100 N Tj defconfig: x86 debian+tj clang
> 02b5bfe1d3d5a 2024-07-12 09:20:11 +0100 N Tj defconfigs: add x86 debian+tj_defconfig
> 137efe9707741 2024-07-12 09:20:11 +0100 N Tj ath: add module_param country_default for regulatory domain control
> 8f630feb117a2 2024-07-12 09:20:11 +0100 N Tj cfg80211: suppress regdom warning when phy not ready
> 0ebc0f862b706 2024-07-12 09:20:10 +0100 N Tj debian: call linux-update-symlinks from postinst
> 4e2330e67f16f 2024-07-12 09:20:10 +0100 N Tj debian: no -dbg package using KDEB_NO_DBG=1
> 45970aeccdb2a 2024-07-12 09:20:10 +0100 N Tj firmware: report each loaded firmware file
> 28fdf45184830 2024-07-11 12:51:24 +0200 N Greg Kroah-Hartman Linux 6.9.9
> 
> This confirms those commits are the cause of the issue; here we have
> the same successful result as with v6.8.12

With my d-i hat: thanks for the awesome investigative work! (And for
forwarding this to the LKML.) While my usual QEMU-based testing wasn't
directly impacted by it, I've just hit this issue in a different
environment, and it's nice to know something's already in the works!


Cheers,
-- 
Cyril Brulebois (kibi@debian.org)            <https://debamax.com/>
D-I release manager -- Release team member -- Freelance Consultant

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Bug#1075713: linux: D-I's X fails to start under kvm -vga qxl Tj <tj.iam.tj@proton.me> - 2024-07-13 19:10 +0200
  Bug#1075713: linux: D-I's X fails to start under kvm -vga qxl Cyril Brulebois <kibi@debian.org> - 2024-07-15 01:20 +0200

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