doug@s19:~/kernel/linux$ git bisect bad
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
781773e3b68031bd001c0c18aa72e8470c225ebd
a1c446611e31ca5363d4db51e398271da1dce0af
e1459a50ba31831efdfc35278023d959e4ba775b
f12e148892ede8d9ee82bcd3e469e6d01fc077ac
152e11f6df293e816a6a37c69757033cdc72667d
2e0199df252a536a03f4cb0810324dff523d1e79
54a58a78779169f9c92a51facf6de7ce94962328
We cannot bisect more!

doug@s19:~/kernel/linux$ git bisect log
git bisect start
# status: waiting for both good and bad commits
# good: [98f7e32f20d28ec452afb208f9cffc08448a2652] Linux 6.11
git bisect good 98f7e32f20d28ec452afb208f9cffc08448a2652
# status: waiting for bad commit, 1 good commit known
# bad: [9852d85ec9d492ebef56dc5f229416c925758edc] Linux 6.12-rc1
git bisect bad 9852d85ec9d492ebef56dc5f229416c925758edc
# good: [176000734ee2978121fde22a954eb1eabb204329] Merge tag 'ata-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
git bisect good 176000734ee2978121fde22a954eb1eabb204329
# bad: [d0359e4ca0f26aaf3118124dfb562e3b3dca1c06] Merge tag 'fs_for_v6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
git bisect bad d0359e4ca0f26aaf3118124dfb562e3b3dca1c06
# bad: [171754c3808214d4fd8843eab584599a429deb52] Merge tag 'vfs-6.12.blocksize' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
git bisect bad 171754c3808214d4fd8843eab584599a429deb52
# good: [e55ef65510a401862b902dc979441ea10ae25c61] Merge tag 'amd-drm-next-6.12-2024-08-26' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
git bisect good e55ef65510a401862b902dc979441ea10ae25c61
# good: [32bd3eb5fbab954e68adba8c0b6a43cf03605c93] Merge tag 'drm-intel-gt-next-2024-09-06' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next
git bisect good 32bd3eb5fbab954e68adba8c0b6a43cf03605c93
# good: [726e2d0cf2bbc14e3bf38491cddda1a56fe18663] Merge tag 'dma-mapping-6.12-2024-09-19' of git://git.infradead.org/users/hch/dma-mapping
git bisect good 726e2d0cf2bbc14e3bf38491cddda1a56fe18663
# good: [839c4f596f898edc424070dc8b517381572f8502] Merge tag 'mm-hotfixes-stable-2024-09-19-00-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
git bisect good 839c4f596f898edc424070dc8b517381572f8502
# bad: [bd9bbc96e8356886971317f57994247ca491dbf1] sched: Rework dl_server
git bisect bad bd9bbc96e8356886971317f57994247ca491dbf1
# good: [863ccdbb918a77e3f011571f943020bf7f0b114b] sched: Allow sched_class::dequeue_task() to fail
git bisect good 863ccdbb918a77e3f011571f943020bf7f0b114b
# bad: [fc1892becd5672f52329a75c73117b60ac7841b7] sched/eevdf: Fixup PELT vs DELAYED_DEQUEUE
git bisect bad fc1892becd5672f52329a75c73117b60ac7841b7
# skip: [2e0199df252a536a03f4cb0810324dff523d1e79] sched/fair: Prepare exit/cleanup paths for delayed_dequeue
git bisect skip 2e0199df252a536a03f4cb0810324dff523d1e79
# skip: [f12e148892ede8d9ee82bcd3e469e6d01fc077ac] sched/fair: Prepare pick_next_task() for delayed dequeue
git bisect skip f12e148892ede8d9ee82bcd3e469e6d01fc077ac
# skip: [e1459a50ba31831efdfc35278023d959e4ba775b] sched: Teach dequeue_task() about special task states
git bisect skip e1459a50ba31831efdfc35278023d959e4ba775b
# skip: [781773e3b68031bd001c0c18aa72e8470c225ebd] sched/fair: Implement ENQUEUE_DELAYED
git bisect skip 781773e3b68031bd001c0c18aa72e8470c225ebd
# good: [abc158c82ae555078aa5dd2d8407c3df0f868904] sched: Prepare generic code for delayed dequeue
git bisect good abc158c82ae555078aa5dd2d8407c3df0f868904
# skip: [a1c446611e31ca5363d4db51e398271da1dce0af] sched,freezer: Mark TASK_FROZEN special
git bisect skip a1c446611e31ca5363d4db51e398271da1dce0af
# good: [e28b5f8bda01720b5ce8456b48cf4b963f9a80a1] sched/fair: Assert {set_next,put_prev}_entity() are properly balanced
git bisect good e28b5f8bda01720b5ce8456b48cf4b963f9a80a1
# skip: [152e11f6df293e816a6a37c69757033cdc72667d] sched/fair: Implement delayed dequeue
git bisect skip 152e11f6df293e816a6a37c69757033cdc72667d
# bad: [54a58a78779169f9c92a51facf6de7ce94962328] sched/fair: Implement DELAY_ZERO
git bisect bad 54a58a78779169f9c92a51facf6de7ce94962328
# only skipped commits left to test
# possible first bad commit: [54a58a78779169f9c92a51facf6de7ce94962328] sched/fair: Implement DELAY_ZERO
# possible first bad commit: [152e11f6df293e816a6a37c69757033cdc72667d] sched/fair: Implement delayed dequeue
# possible first bad commit: [e1459a50ba31831efdfc35278023d959e4ba775b] sched: Teach dequeue_task() about special task states
# possible first bad commit: [a1c446611e31ca5363d4db51e398271da1dce0af] sched,freezer: Mark TASK_FROZEN special
# possible first bad commit: [781773e3b68031bd001c0c18aa72e8470c225ebd] sched/fair: Implement ENQUEUE_DELAYED
# possible first bad commit: [f12e148892ede8d9ee82bcd3e469e6d01fc077ac] sched/fair: Prepare pick_next_task() for delayed dequeue
# possible first bad commit: [2e0199df252a536a03f4cb0810324dff523d1e79] sched/fair: Prepare exit/cleanup paths for delayed_dequeue

doug@s19:~/kernel/linux$ git log --oneline | grep -B 2 -A 10 54a58a78779
	 	82e9d0456e06 sched/fair: Avoid re-setting virtual deadline on 'migrations'
b10	bad	fc1892becd56 sched/eevdf: Fixup PELT vs DELAYED_DEQUEUE
b13	bad	54a58a787791 sched/fair: Implement DELAY_ZERO
	skip	152e11f6df29 sched/fair: Implement delayed dequeue
	skip	e1459a50ba31 sched: Teach dequeue_task() about special task states
	skip	a1c446611e31 sched,freezer: Mark TASK_FROZEN special
	skip	781773e3b680 sched/fair: Implement ENQUEUE_DELAYED
	skip	f12e148892ed sched/fair: Prepare pick_next_task() for delayed dequeue
	skip	2e0199df252a sched/fair: Prepare exit/cleanup paths for delayed_dequeue
b12	good	e28b5f8bda01 sched/fair: Assert {set_next,put_prev}_entity() are properly balanced
		dfa0a574cbc4 sched/uclamg: Handle delayed dequeue
b11	good	abc158c82ae5 sched: Prepare generic code for delayed dequeue
		e8901061ca0c sched: Split DEQUEUE_SLEEP from deactivate_task()