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From: Thorsten Leemhuis <regressions@leemhuis.info>
To: casteyde.christian@free.fr, rafael@kernel.org
Cc: linux-pm@vger.kernel.org,
	"regressions@lists.linux.dev" <regressions@lists.linux.dev>
Subject: Re: Regression report on laptop suspend
Date: Tue, 28 Dec 2021 08:37:21 +0100	[thread overview]
Message-ID: <6d260e9b-14cf-1aa5-ff28-464e85802af3@leemhuis.info> (raw)
In-Reply-To: <256689953.114854578.1640622738334.JavaMail.root@zimbra40-e7.priv.proxad.net>


Hi, this is your Linux kernel regression tracker speaking.

TWIMC: seems Christian system is affected by another issue (Touchpad is
not working anymore after suspend to RAM since kernel 5.14) that might
interfere:

https://bugzilla.kernel.org/show_bug.cgi?id=214667
https://lore.kernel.org/regressions/12b9a10a-626b-cafd-05d6-cf0a116aa39b@leemhuis.info/

Anyway, for the rest of this mail:

[TLDR: I'm adding this regression to regzbot, the Linux kernel
regression tracking bot; most text you find below is compiled from a few
templates paragraphs some of you might have seen already.]

On 27.12.21 17:32, 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.
> 
> 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

Thanks for the report.

Adding the regression mailing list to the list of recipients, as it
should be in the loop for all regressions, as explained here:
https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html

To be sure this issue doesn't fall through the cracks unnoticed, I'm
adding it to regzbot, my Linux kernel regression tracking bot:

#regzbot ^introduced 804b6e5ee613b019b942ba6be52cccecd9d33655
#regzbot title pm: laptop totally freezes when going to hibernation
#regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215427
#regzbot ignore-activity

Reminder: when fixing the issue, please add a 'Link:' tag with the URL
to the report (the parent of this mail) using the kernel.org redirector,
as explained in 'Documentation/process/submitting-patches.rst'. Regzbot
then will automatically mark the regression as resolved once the fix
lands in the appropriate tree. For more details about regzbot see footer.

Sending this to everyone that got the initial report, to make all aware
of the tracking. I also hope that messages like this motivate people to
directly get at least the regression mailing list and ideally even
regzbot involved when dealing with regressions, as messages like this
wouldn't be needed then.

Don't worry, I'll send further messages wrt to this regression just to
the lists (with a tag in the subject so people can filter them away), as
long as they are intended just for regzbot. With a bit of luck no such
messages will be needed anyway.

Ciao, Thorsten (wearing his 'Linux kernel regression tracker' hat).

P.S.: As a Linux kernel regression tracker I'm getting a lot of reports
on my table. I can only look briefly into most of them. Unfortunately
therefore I sometimes will get things wrong or miss something important.
I hope that's not the case here; if you think it is, don't hesitate to
tell me about it in a public reply. That's in everyone's interest, as
what I wrote above might be misleading to everyone reading this; any
suggestion I gave thus might sent someone reading this down the wrong
rabbit hole, which none of us wants.

BTW, I have no personal interest in this issue, which is tracked using
regzbot, my Linux kernel regression tracking bot
(https://linux-regtracking.leemhuis.info/regzbot/). I'm only posting
this mail to get things rolling again and hence don't need to be CC on
all further activities wrt to this regression.

---
Additional information about regzbot:

If you want to know more about regzbot, check out its web-interface, the
getting start guide, and/or the references documentation:

https://linux-regtracking.leemhuis.info/regzbot/
https://gitlab.com/knurd42/regzbot/-/blob/main/docs/getting_started.md
https://gitlab.com/knurd42/regzbot/-/blob/main/docs/reference.md

The last two documents will explain how you can interact with regzbot
yourself if your want to.

Hint for reporters: when reporting a regression it's in your interest to
tell #regzbot about it in the report, as that will ensure the regression
gets on the radar of regzbot and the regression tracker. That's in your
interest, as they will make sure the report won't fall through the
cracks unnoticed.

Hint for developers: you normally don't need to care about regzbot once
it's involved. Fix the issue as you normally would, just remember to
include a 'Link:' tag to the report in the commit message, as explained
in Documentation/process/submitting-patches.rst
That aspect was recently was made more explicit in commit 1f57bd42b77c:
https://git.kernel.org/linus/1f57bd42b77c

       reply	other threads:[~2021-12-28  7:37 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <2141133765.114843316.1640622535018.JavaMail.root@zimbra40-e7.priv.proxad.net>
     [not found] ` <256689953.114854578.1640622738334.JavaMail.root@zimbra40-e7.priv.proxad.net>
2021-12-28  7:37   ` Thorsten Leemhuis [this message]
     [not found]   ` <CAJZ5v0hC1_8z=VmBOgSU360KPj6N7YfDQBevsvyMNkdffyta6Q@mail.gmail.com>
     [not found]     ` <52933493.dBzk7ret6Y@geek500>
     [not found]       ` <a4c11429-4e08-dac2-61ce-3a6b468c1172@leemhuis.info>
2022-01-16  7:33         ` Regression report on laptop suspend #forregzbot Thorsten Leemhuis

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