team,
We have two regression [1,2] with the proposed (and merged) fix [3] so unfortunately
this is not yet over: During the test day [TestDay], most testers booted fine
so we merged [3]. During the previous weekend (10-11 Jan 2026), people
found boot issues [1] so [3] was untagged [4]. We are suspecting that this is something
related to the filesystem (btrfs?) and this is why during the test day using
a Live OS did not catch it. Test Day was indeed useful, fix worked but not for all
systems so clearly the fix needs to be revisited.
I ask you the following: From a stable system/grub, can you (RE)INSTALL these instructions:
$ sudo dnf install -y koji
$ mkdir tmp & cd tmp
$ koji download-task 140906146 # aka [5], this is just a scratch build just for x86_64, disable SB
$ sudo dnf install *.rpm
$ sudo reboot
The fix [5] contains [3] plus some instrumentation enabling debugging ('debug=all,-lexer,-scripting').
In case of FAILURE (you boot but end up in the grub prompt instead of the grub menu) please
attach a video recording all the boot process and also in the comment indicate your block/partition/fs
scheme with 'lsblk -f'. In case of SUCCESS, just provide the output of the latter cmd. Video and log
We have two regression [1,2] with the proposed (and merged) fix [3] so unfortunately
this is not yet over: During the test day [TestDay], most testers booted fine
so we merged [3]. During the previous weekend (10-11 Jan 2026), people
found boot issues [1] so [3] was untagged [4]. We are suspecting that this is something
related to the filesystem (btrfs?) and this is why during the test day using
a Live OS did not catch it. Test Day was indeed useful, fix worked but not for all
systems so clearly the fix needs to be revisited.
I ask you the following: From a stable system/grub, can you (RE)INSTALL these instructions:
$ sudo dnf install -y koji
$ mkdir tmp & cd tmp
$ koji download-task 140906146 # aka [5], this is just a scratch build just for x86_64, disable SB
$ sudo dnf install *.rpm
$ sudo reboot
The fix [5] contains [3] plus some instrumentation enabling debugging ('debug=all,-lexer,-scripting').
In case of FAILURE (you boot but end up in the grub prompt instead of the grub menu) please
attach a video recording all the boot process and also in the comment indicate your block/partition/fs
scheme with 'lsblk -f'. In case of SUCCESS, just provide the output of the latter cmd. Video and log
can be attached on [1] as a new comment/attachment.
I am also preparing another test-day which will basically do the above steps but I will wait hoping
that we will get enough results here first.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=2427945
[2] https://bugzilla.redhat.com/show_bug.cgi?id=2422881
[3] https://src.fedoraproject.org/rpms/grub2/pull-request/198
[4] https://forge.fedoraproject.org/releng/tickets/issues/13157
[5] https://koji.fedoraproject.org/koji/taskinfo?taskID=141063848
[TestDay] https://fedoraproject.org/wiki/Test_Day:2025-12-15_GRUB_out_of_memory_verification
I am also preparing another test-day which will basically do the above steps but I will wait hoping
that we will get enough results here first.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=2427945
[2] https://bugzilla.redhat.com/show_bug.cgi?id=2422881
[3] https://src.fedoraproject.org/rpms/grub2/pull-request/198
[4] https://forge.fedoraproject.org/releng/tickets/issues/13157
[5] https://koji.fedoraproject.org/koji/taskinfo?taskID=141063848
[TestDay] https://fedoraproject.org/wiki/Test_Day:2025-12-15_GRUB_out_of_memory_verification
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