Re: Regression report on laptop suspend

[Christian Casteyde <casteyde.christian@free.fr>]

Le lundi 27 décembre 2021 17:40:28 Rafael J. Wysocki a écrit :
> CC Daniel, Thomas and dri-devel.
> 
> On Mon, Dec 27, 2021 at 5:32 PM <casteyde.christian@free.fr> wrote:
> > Hello
> > 
> > I've noticed my laptop totally freeze when going to hibernation.
> > The git bisect log is appended below.
> > Please note however that even the previous good commit was "good" (ie :
> > laptop managed to suspend and resume), the system was unstable and froze
> > few minutes later.
> So the breakage need not be related to the first bad commit.
> 
> Have you tried to revert that commit?  If so, has it helped?
Reverting the last bad commit on 5.16-rc7, the problem is still there.
I'm still convinced from bisection that it is related to graphic.

> 
> > Hardware specs: AMD Ryzen 5 4600H with Vega graphics + Nvidia 1650Ti
> > (unused) Software: Slackware 14.2 / X.org.
> > 
> > Seems to be related to drm stuff.
> > I've issued bugzilla https://bugzilla.kernel.org/show_bug.cgi?id=215427
> > 
> > Thanks
> > 
> > git bisect start
> > # good: [8bb7eca972ad531c9b149c0a51ab43a417385813] Linux 5.15
> > git bisect good 8bb7eca972ad531c9b149c0a51ab43a417385813
> > # bad: [a7904a538933c525096ca2ccde1e60d0ee62c08e] Linux 5.16-rc6
> > git bisect bad a7904a538933c525096ca2ccde1e60d0ee62c08e
> > # bad: [43e1b12927276cde8052122a24ff796649f09d60] Merge tag 'for_linus' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost git bisect bad
> > 43e1b12927276cde8052122a24ff796649f09d60
> > # good: [fc02cb2b37fe2cbf1d3334b9f0f0eab9431766c4] Merge tag
> > 'net-next-for-5.16' of
> > git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next git bisect
> > good fc02cb2b37fe2cbf1d3334b9f0f0eab9431766c4
> > # bad: [d9bd054177fbd2c4762546aec40fc3071bfe4cc0] Merge tag
> > 'amd-drm-next-5.16-2021-10-29' of
> > https://gitlab.freedesktop.org/agd5f/linux into drm-next git bisect bad
> > d9bd054177fbd2c4762546aec40fc3071bfe4cc0
> > # skip: [797d72ce8e0f8fa8a808cb189b5411046432cfd3] Merge tag
> > 'drm-misc-next-2021-10-06' of git://anongit.freedesktop.org/drm/drm-misc
> > into drm-next git bisect skip 797d72ce8e0f8fa8a808cb189b5411046432cfd3
> > # skip: [bf72ca73aaa6629568cb9b0761be6efdd02a2591] drm/amd/display: [FW
> > Promotion] Release 0.0.85 git bisect skip
> > bf72ca73aaa6629568cb9b0761be6efdd02a2591
> > # good: [bc41f059a080e487c235b539f1e5cdbf605aba9f] drm/i915/dp: fix DG1
> > and RKL max source rates git bisect good
> > bc41f059a080e487c235b539f1e5cdbf605aba9f
> > # skip: [58144d283712c9e80e528e001af6ac5aeee71af2] drm/amdgpu: unify BO
> > evicting method in amdgpu_ttm git bisect skip
> > 58144d283712c9e80e528e001af6ac5aeee71af2
> > # skip: [a5b51a9f8523a0b88ce7e8e8059f75a43c34c57f] drm/i915/gt: add
> > asm/cacheflush.h for use of clflush() git bisect skip
> > a5b51a9f8523a0b88ce7e8e8059f75a43c34c57f
> > # skip: [40348baedfbc6500e7a090c7da1d55b6c94c334f] drm/amd/display: fix
> > duplicated inclusion git bisect skip
> > 40348baedfbc6500e7a090c7da1d55b6c94c334f
> > # skip: [7547675b84bf452542463db29adb113cadb7dd6d] drm/virtio: implement
> > context init: track {ring_idx, emit_fence_info} in virtio_gpu_fence git
> > bisect skip 7547675b84bf452542463db29adb113cadb7dd6d
> > # good: [f01ee019586220c86f238263a4fbde6e72085e11] drm/amd/display: Add DP
> > 2.0 SST DC Support git bisect good
> > f01ee019586220c86f238263a4fbde6e72085e11
> > # good: [f3ede209d44d71636890a78fa89c5b1c83340320] drm/i915/pci: rename
> > functions to have i915_pci prefix git bisect good
> > f3ede209d44d71636890a78fa89c5b1c83340320
> > # skip: [4fb530e5caf7cb666948db65f245b350ce520436] drm/virtio: implement
> > context init: support init ioctl git bisect skip
> > 4fb530e5caf7cb666948db65f245b350ce520436
> > # good: [c7c4dfb6fe704ae3cce1a8f438db75b1a0a9061f] drm/i915/display: Some
> > code improvements and code style fixes for DRRS git bisect good
> > c7c4dfb6fe704ae3cce1a8f438db75b1a0a9061f
> > # skip: [7a28bee067d524c1b8770aa72a82263eb9fc53f0] drm/amd/display:
> > Disable dpp root clock when not being used git bisect skip
> > 7a28bee067d524c1b8770aa72a82263eb9fc53f0
> > # good: [5b116c17e6babc6de2e26714bc66228c74038b71] drm/i915/guc: Drop pin
> > count check trick between sched_disable and re-pin git bisect good
> > 5b116c17e6babc6de2e26714bc66228c74038b71
> > # skip: [9878844094703fbae1c3b301c9bb71253a30efe7] drm/amdgpu: drive all
> > vega asics from the IP discovery table git bisect skip
> > 9878844094703fbae1c3b301c9bb71253a30efe7
> > # skip: [7194dc998dfffca096c30b3cd39625158608992d] drm/i915/tc: Fix TypeC
> > port init/resume time sanitization git bisect skip
> > 7194dc998dfffca096c30b3cd39625158608992d
> > # skip: [5c3720be7d46581181782f5cf9585b532feed947] drm/amdgpu: get VCN and
> > SDMA instances from IP discovery table git bisect skip
> > 5c3720be7d46581181782f5cf9585b532feed947
> > # skip: [a53f2c035e9832d20775d2c66c71495f2dc27699] drm/panfrost: Calculate
> > lock region size correctly git bisect skip
> > a53f2c035e9832d20775d2c66c71495f2dc27699
> > # skip: [d04287d062a4198ec0bf0112db03618f65d7428a] drm/amdgpu: During s0ix
> > don't wait to signal GFXOFF git bisect skip
> > d04287d062a4198ec0bf0112db03618f65d7428a
> > # skip: [9ced12182d0d8401d821e9602e56e276459900fc] drm/i915: Catch yet
> > another unconditioal clflush git bisect skip
> > 9ced12182d0d8401d821e9602e56e276459900fc
> > # skip: [dac3c405b9aedee301d0634b4e275b81f0d74363] drm/amd/display: [FW
> > Promotion] Release 0.0.87 git bisect skip
> > dac3c405b9aedee301d0634b4e275b81f0d74363
> > # skip: [9f620f1dde3e3e984837163d7930dc4b2abffe82] drm/i915: Call
> > intel_ddi_init_dp_buf_reg() earlier git bisect skip
> > 9f620f1dde3e3e984837163d7930dc4b2abffe82
> > # skip: [178fbb6d552f294037291bf62d41b31d30186f31] drm/amd/display:
> > Implement DPIA training loop git bisect skip
> > 178fbb6d552f294037291bf62d41b31d30186f31
> > # good: [253a55918ce128f15a3be66db5e2072665143554] drm/amd/display: Fix
> > issue with dynamic bpp change for DCN3x git bisect good
> > 253a55918ce128f15a3be66db5e2072665143554
> > # skip: [50638f7dbd0b3969b47d2772c4db02ed92b6c47b]
> > drm/amdgpu/pm/amdgpu_smu: convert more IP version checking git bisect
> > skip 50638f7dbd0b3969b47d2772c4db02ed92b6c47b
> > # bad: [3605eacc8ae055d699f7fa3adb9123c4c36ecd82] drm/panfrost: Make use
> > of the helper function devm_platform_ioremap_resource() git bisect bad
> > 3605eacc8ae055d699f7fa3adb9123c4c36ecd82
> > # bad: [47ddb72f789333a8ccb792b0fd6d6fe8a7906694] drm: zte: remove
> > obsolete DRM Support for ZTE SoCs git bisect bad
> > 47ddb72f789333a8ccb792b0fd6d6fe8a7906694
> > # bad: [072e70d52372c44df90b44fb4cd949a709bb5bef] drm:
> > panel-orientation-quirks: Add quirk for the Chuwi Hi10 Pro git bisect bad
> > 072e70d52372c44df90b44fb4cd949a709bb5bef
> > # bad: [82ade934dde45b9d9008954b297f7727233e37af] drm/arm: malidp: Use
> > fourcc_mod_is_vendor() helper git bisect bad
> > 82ade934dde45b9d9008954b297f7727233e37af
> > # bad: [8b4e02c70fca482c5b947d8ba92b45093b4390e7] drm/panel: Add DT
> > bindings for Samsung S6D27A1 display panel git bisect bad
> > 8b4e02c70fca482c5b947d8ba92b45093b4390e7
> > # bad: [804b6e5ee613b019b942ba6be52cccecd9d33655] drm/shmem-helpers:
> > Allocate wc pages on x86 git bisect bad
> > 804b6e5ee613b019b942ba6be52cccecd9d33655
> > # good: [8b93d1d7dbd578fd296e70008b29c0f62d09d7cb] drm/shmem-helper:
> > Switch to vmf_insert_pfn git bisect good
> > 8b93d1d7dbd578fd296e70008b29c0f62d09d7cb
> > # first bad commit: [804b6e5ee613b019b942ba6be52cccecd9d33655]
> > drm/shmem-helpers: Allocate wc pages on x86