From: Naresh Kamboju <naresh.kamboju@linaro.org>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>,
open list <linux-kernel@vger.kernel.org>,
Linux PM <linux-pm@vger.kernel.org>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
lkft-triage@lists.linaro.org,
Stephan Gerhold <stephan@gerhold.net>,
Rajendra Nayak <rnayak@codeaurora.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
sbhanu@codeaurora.org, Sibi Sankar <sibis@codeaurora.org>,
Matthias Kaehlcke <mka@chromium.org>,
Stephen Boyd <sboyd@kernel.org>,
nm@ti.com
Subject: Re: WARNING: at drivers/opp/core.c:678 dev_pm_opp_set_rate+0x4cc/0x5d4 - on arm x15
Date: Thu, 15 Oct 2020 15:26:43 +0530 [thread overview]
Message-ID: <CA+G9fYv5WKQkDvjZsc+xth54X_MK3qUmuUTXhUDVUHpS3UhNpQ@mail.gmail.com> (raw)
In-Reply-To: <20200831060203.7guhirtxb72odow2@vireshk-i7>
On Mon, 31 Aug 2020 at 11:32, Viresh Kumar <viresh.kumar@linaro.org> wrote:
>
> On 31-08-20, 11:30, Naresh Kamboju wrote:
> > On Mon, 31 Aug 2020 at 10:11, Viresh Kumar <viresh.kumar@linaro.org> wrote:
> > >
> > > On 28-08-20, 15:42, Naresh Kamboju wrote:
> > > > Viresh,
> > > > I have applied the v2 patch series on top of linux next-20200824.
> > > > and tested again the reported kernel warning is fixed [1]
> > > >
> > > > [1] https://lkft.validation.linaro.org/scheduler/job/1717615#L1881
> > >
> > > Hi Naresh,
> > >
> > > You meant this one ?
> > >
> > > [PATCH V2 4/8] mmc: sdhci-msm: Unconditionally call dev_pm_opp_of_remove_table()
> >
> > I have not tested individual patches instead applied all v2 of 8 patches
> > and tested.
>
> Ah okay, Thanks. That's the same.
>
> To be honest, I wasn't targeting fixing this bug with that version,
> but it went well after all :)
The arm x15 boot failed on Linus 's mainline version 5.9.0.
I have listed the latest commits on drivers/opp/ .
metadata:
git branch: master
git repo: https://gitlab.com/Linaro/lkft/mirrors/torvalds/linux-mainline
git commit: 3e4fb4346c781068610d03c12b16c0cfb0fd24a3
git describe: v5.9-4105-g3e4fb4346c78
make_kernelversion: 5.9.0
kernel-config:
https://builds.tuxbuild.com/2BB2g61t29VaadVLXEl4cQ/kernel.config
------------[ cut here ]------------
[ 13.530971] sdhci-omap 4809c000.mmc: Got CD GPIO
[ 13.535647] WARNING: CPU: 0 PID: 137 at drivers/opp/core.c:678
dev_pm_opp_set_rate+0x4cc/0x5d4
[ 13.540752] sdhci-omap 4809c000.mmc: supply vqmmc not found, using
dummy regulator
[ 13.548931] Modules linked in:
[ 13.559638] CPU: 0 PID: 137 Comm: kworker/0:2 Not tainted 5.9.0 #1
[ 13.565848] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 13.571982] Workqueue: events dbs_work_handler
[ 13.576453] Backtrace:
[ 13.578924] [<c11e8338>] (dump_backtrace) from [<c11e86e4>]
(show_stack+0x20/0x24)
[ 13.583819] mmc1: SDHCI controller on 480b4000.mmc [480b4000.mmc] using ADMA
[ 13.586532] r7:c1df7f60 r6:60000013 r5:00000000 r4:c1df7f60
[ 13.599290] [<c11e86c4>] (show_stack) from [<c11ee004>]
(dump_stack+0xe4/0x104)
[ 13.606640] [<c11edf20>] (dump_stack) from [<c034f384>] (__warn+0xe0/0x104)
[ 13.613638] r10:ed33b880 r9:00000009 r8:c0f3f4f4 r7:000002a6
r6:c0f3f4f4 r5:00000009
[ 13.621502] r4:c1a3546c r3:00000000
[ 13.625097] [<c034f2a4>] (__warn) from [<c11e9950>]
(warn_slowpath_fmt+0x74/0xc4)
[ 13.632616] r7:000002a6 r6:c1a3546c r5:00000000 r4:ee6c2000
[ 13.638305] [<c11e98e0>] (warn_slowpath_fmt) from [<c0f3f4f4>]
(dev_pm_opp_set_rate+0x4cc/0x5d4)
[ 13.647132] r9:ed33b500 r8:ee6c2000 r7:ffffffea r6:3b9aca00
r5:59682f00 r4:ed328600
[ 13.654916] [<c0f3f028>] (dev_pm_opp_set_rate) from [<c0f4ac98>]
(set_target+0x38/0x3c)
[ 13.662958] r10:00000002 r9:00000000 r8:c1fc11d4 r7:c1f550c0
r6:ee6c2000 r5:00000000
[ 13.670821] r4:ed328a00
[ 13.673370] [<c0f4ac60>] (set_target) from [<c0f45c54>]
(__cpufreq_driver_target+0x214/0x658)
[ 13.681938] [<c0f45a40>] (__cpufreq_driver_target) from
[<c0f49208>] (od_dbs_update+0x14c/0x170)
[ 13.690764] r10:c1f2f1c0 r9:ed33bb00 r8:ed33ba80 r7:ed33f740
r6:ed33bb00 r5:ed33ba80
[ 13.698631] r4:ed328a00
[ 13.701181] [<c0f490bc>] (od_dbs_update) from [<c0f49f6c>]
(dbs_work_handler+0x3c/0x68)
[ 13.709224] r9:00000000 r8:c1f03ee8 r7:ed328a00 r6:ed33ba84
r5:00000000 r4:ed33bab8
[ 13.717012] [<c0f49f30>] (dbs_work_handler) from [<c036d7e8>]
(process_one_work+0x200/0x568)
[ 13.725489] r9:00000000 r8:00000000 r7:eeb32600 r6:eeb2f300
r5:ee69fd00 r4:ed33bab8
[ 13.733274] [<c036d5e8>] (process_one_work) from [<c036db9c>]
(worker_thread+0x4c/0x57c)
[ 13.741405] r10:eeb2f300 r9:00000008 r8:c1d03d00 r7:eeb2f318
r6:ee69fd14 r5:eeb2f300
[ 13.749267] r4:ee69fd00
[ 13.751819] [<c036db50>] (worker_thread) from [<c0375550>]
(kthread+0x144/0x170)
[ 13.759252] r10:ee17be7c r9:ee69fd00 r8:c036db50 r7:ee6c2000
r6:00000000 r5:ee6ab1c0
[ 13.767116] r4:ee1c55c0
[ 13.769667] [<c037540c>] (kthread) from [<c0300174>]
(ret_from_fork+0x14/0x20)
[ 13.776922] Exception stack(0xee6c3fb0 to 0xee6c3ff8)
[ 13.781997] 3fa0: 00000000
00000000 00000000 00000000
[ 13.790216] 3fc0: 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[ 13.798433] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 13.805079] r10:00000000 r9:00000000 r8:00000000 r7:00000000
r6:00000000 r5:c037540c
[ 13.812945] r4:ee6ab1c0
[ 13.815566] ---[ end trace 3876693f0f796f8e ]---
[ 13.820213] cpu cpu0: multiple regulators are not supported
[ 13.825836] cpufreq: __target_index: Failed to change cpu frequency: -22
<>
[ 15.409753] ---[ end trace 3876693f0f796f94 ]---
[ 15.414449] cpu cpu0: multiple regulators are not supported
[ 15.414469] usb 2-1: new SuperSpeed Gen 1 USB device number 2 using xhci-hcd
[ 15.420054] cpufreq: __target_index: Failed to change cpu frequ#
$ git log --oneline drivers/opp/
757e282188f0 Merge branch 'opp/linux-next' of
git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
a5663c9b1e31 opp: Allow opp-level to be set to 0
cb60e9602cce opp: Prevent memory leak in dev_pm_opp_attach_genpd()
0ff25c99042a opp: Allow opp-supported-hw to contain multiple versions
2c59138c22f1 opp: Set required OPPs in reverse order when scaling down
60cdeae0d627 opp: Reduce code duplication in _set_required_opps()
475ac8ead803 opp: Drop unnecessary check from dev_pm_opp_attach_genpd()
3a5578784d1e Merge branch 'opp/defer-probe' into HEAD
90d46d71cce2 opp: Handle multiple calls for same OPP table in
_of_add_opp_table_v1()
763700f5e0fc Merge branch 'opp/fixes' of
git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
922ff0759a16 opp: Don't drop reference for an OPP table that was never parsed
dd461cd9183f opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER
8aaf6264fc7f opp: Remove _dev_pm_opp_find_and_remove_table() wrapper
f3364e17d571 opp: Split out _opp_set_rate_zero()
10b217365b94 opp: Reuse the enabled flag in !target_freq path
72f80ce4ef9b opp: Rename regulator_enabled and use it as status of all resources
a4501bac0e55 opp: Enable resources again if they were disabled earlier
d4ec88d20558 opp: Put opp table in dev_pm_opp_set_rate() if _set_opp_bw() fails
8979ef70850e opp: Put opp table in dev_pm_opp_set_rate() for empty tables
link,
https://pastebin.com/9kDPEFLU
https://qa-reports.linaro.org/lkft/linux-mainline-master-sanity/build/v5.9-4105-g3e4fb4346c78/testrun/3308561/suite/linux-log-parser/tests/
- Naresh
next prev parent reply other threads:[~2020-10-15 9:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-27 9:34 WARNING: at drivers/opp/core.c:678 dev_pm_opp_set_rate+0x4cc/0x5d4 - on arm x15 Naresh Kamboju
2020-08-27 9:46 ` Viresh Kumar
2020-08-27 11:01 ` Naresh Kamboju
2020-08-27 11:18 ` Stephen Rothwell
2020-08-28 4:51 ` Viresh Kumar
2020-08-28 10:12 ` Naresh Kamboju
2020-08-31 4:41 ` Viresh Kumar
2020-08-31 6:00 ` Naresh Kamboju
2020-08-31 6:02 ` Viresh Kumar
2020-10-15 9:56 ` Naresh Kamboju [this message]
2020-10-16 5:45 ` Viresh Kumar
2020-10-20 10:36 ` Viresh Kumar
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