* Re: [PATCH 4.19 00/24] 4.19.176-rc1 review [not found] <20210211150147.743660073@linuxfoundation.org> @ 2021-02-12 4:46 ` Naresh Kamboju 2021-02-12 7:42 ` Greg Kroah-Hartman 0 siblings, 1 reply; 4+ messages in thread From: Naresh Kamboju @ 2021-02-12 4:46 UTC (permalink / raw) To: Greg Kroah-Hartman Cc: open list, Shuah Khan, patches, lkft-triage, Jon Hunter, linux-stable, pavel, Andrew Morton, Linus Torvalds, Guenter Roeck, linux-arm-msm, David Collins, Mark Brown On Thu, 11 Feb 2021 at 20:36, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > > This is the start of the stable review cycle for the 4.19.176 release. > There are 24 patches in this series, all will be posted as a response > to this one. If anyone has any issues with these being applied, please > let me know. > > Responses should be made by Sat, 13 Feb 2021 15:01:39 +0000. > Anything received after that time might be too late. > > The whole patch series can be found in one patch at: > https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.176-rc1.gz > or in the git tree and branch at: > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y > and the diffstat can be found below. > > thanks, > > greg k-h The following lockdep noticed on the arm beaglebone x15 device. I have not bisected this problem yet. Suspecting this patch, > David Collins <collinsd@codeaurora.org> > regulator: core: avoid regulator_resolve_supply() race condition [ 2.470568] WARNING: possible recursive locking detected [ 2.470580] 4.19.176-rc1 #1 Not tainted [ 2.470590] -------------------------------------------- [ 2.470600] swapper/0/1 is trying to acquire lock: [ 2.470611] (ptrval) (&rdev->mutex){+.+.}, at: regulator_enable+0x44/0x20c [ 2.470639] [ 2.470639] but task is already holding lock: [ 2.470650] (ptrval) (&rdev->mutex){+.+.}, at: regulator_lock_nested+0x28/0x88 [ 2.470676] [ 2.470676] other info that might help us debug this: [ 2.470687] Possible unsafe locking scenario: [ 2.470687] [ 2.470698] CPU0 [ 2.470707] ---- [ 2.470716] lock(&rdev->mutex); [ 2.470728] lock(&rdev->mutex); [ 2.470740] [ 2.470740] *** DEADLOCK *** [ 2.470740] [ 2.470752] May be due to missing lock nesting notation [ 2.470752] [ 2.470765] 2 locks held by swapper/0/1: [ 2.470774] #0: (ptrval) (&dev->mutex){....}, at: __driver_attach+0x78/0x168 [ 2.470797] #1: (ptrval) (&rdev->mutex){+.+.}, at: regulator_lock_nested+0x28/0x88 [ 2.470820] [ 2.470820] stack backtrace: [ 2.470836] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.19.176-rc1 #1 [ 2.470846] Hardware name: Generic DRA74X (Flattened Device Tree) [ 2.470871] [<c0416430>] (unwind_backtrace) from [<c040f920>] (show_stack+0x20/0x24) [ 2.470891] [<c040f920>] (show_stack) from [<c1306bec>] (dump_stack+0xe8/0x114) [ 2.470910] [<c1306bec>] (dump_stack) from [<c04c2a04>] (__lock_acquire+0x7cc/0x1acc) [ 2.470925] [<c04c2a04>] (__lock_acquire) from [<c04c46ec>] (lock_acquire+0xdc/0x238) [ 2.470941] [<c04c46ec>] (lock_acquire) from [<c130a008>] (__mutex_lock+0xa0/0xaf4) [ 2.470958] [<c130a008>] (__mutex_lock) from [<c130aa88>] (mutex_lock_nested+0x2c/0x34) [ 2.470974] [<c130aa88>] (mutex_lock_nested) from [<c0ae9434>] (regulator_enable+0x44/0x20c) [ 2.470990] [<c0ae9434>] (regulator_enable) from [<c0ae9780>] (regulator_resolve_supply+0x184/0x2c8) [ 2.471006] [<c0ae9780>] (regulator_resolve_supply) from [<c0ae98e8>] (regulator_register_resolve_supply+0x24/0x8c) [ 2.471022] [<c0ae98e8>] (regulator_register_resolve_supply) from [<c0c294f0>] (class_for_each_device+0x70/0xe8) [ 2.471037] [<c0c294f0>] (class_for_each_device) from [<c0aea368>] (regulator_register+0xa18/0xc58) [ 2.471053] [<c0aea368>] (regulator_register) from [<c0aebd64>] (devm_regulator_register+0x54/0x84) [ 2.471069] [<c0aebd64>] (devm_regulator_register) from [<c0af8c28>] (pbias_regulator_probe+0x1f4/0x2d0) [ 2.471084] [<c0af8c28>] (pbias_regulator_probe) from [<c0c29da0>] (platform_drv_probe+0x58/0xa8) [ 2.471101] [<c0c29da0>] (platform_drv_probe) from [<c0c273b8>] (really_probe+0x310/0x418) [ 2.471119] [<c0c273b8>] (really_probe) from [<c0c276e4>] (driver_probe_device+0x88/0x1dc) [ 2.471135] [<c0c276e4>] (driver_probe_device) from [<c0c27984>] (__driver_attach+0x14c/0x168) [ 2.471150] [<c0c27984>] (__driver_attach) from [<c0c24e08>] (bus_for_each_dev+0x84/0xc4) [ 2.471167] [<c0c24e08>] (bus_for_each_dev) from [<c0c26a18>] (driver_attach+0x2c/0x30) [ 2.471184] [<c0c26a18>] (driver_attach) from [<c0c26380>] (bus_add_driver+0x1d0/0x274) [ 2.471199] [<c0c26380>] (bus_add_driver) from [<c0c28a4c>] (driver_register+0x84/0x118) [ 2.471213] [<c0c28a4c>] (driver_register) from [<c0c29cf0>] (__platform_driver_register+0x50/0x58) [ 2.471231] [<c0c29cf0>] (__platform_driver_register) from [<c1ca3174>] (pbias_regulator_driver_init+0x24/0x28) [ 2.471249] [<c1ca3174>] (pbias_regulator_driver_init) from [<c0403a68>] (do_one_initcall+0xa0/0x394) [ 2.471268] [<c0403a68>] (do_one_initcall) from [<c1c01454>] (kernel_init_freeable+0x3ec/0x484) [ 2.471283] [<c1c01454>] (kernel_init_freeable) from [<c1306ff4>] (kernel_init+0x18/0x128) [ 2.471299] [<c1306ff4>] (kernel_init) from [<c04010ac>] (ret_from_fork+0x14/0x28) [ 2.471310] Exception stack(0xee19bfb0 to 0xee19bff8) [ 2.471323] bfa0: 00000000 00000000 00000000 00000000 [ 2.471336] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 2.471348] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 2.471385] vtt_fixed: supplied by smps3 test log link, https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-4.19.y/build/v4.19.175-25-g30e16c3fd5ac/testrun/3938030/suite/linux-log-parser/test/check-kernel-warning-2263196/log metadata: git branch: linux-4.19.y git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git commit: 30e16c3fd5acd42264d873aacb75891f3cd202c4 git describe: v4.19.175-25-g30e16c3fd5ac make_kernelversion: 4.19.176-rc1 kernel-config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/am57xx-evm/lkft/linux-stable-rc-4.19/747/config -- Linaro LKFT https://lkft.linaro.org ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 4.19 00/24] 4.19.176-rc1 review 2021-02-12 4:46 ` [PATCH 4.19 00/24] 4.19.176-rc1 review Naresh Kamboju @ 2021-02-12 7:42 ` Greg Kroah-Hartman 2021-02-12 10:29 ` Naresh Kamboju 0 siblings, 1 reply; 4+ messages in thread From: Greg Kroah-Hartman @ 2021-02-12 7:42 UTC (permalink / raw) To: Naresh Kamboju Cc: open list, Shuah Khan, patches, lkft-triage, Jon Hunter, linux-stable, pavel, Andrew Morton, Linus Torvalds, Guenter Roeck, linux-arm-msm, David Collins, Mark Brown On Fri, Feb 12, 2021 at 10:16:11AM +0530, Naresh Kamboju wrote: > On Thu, 11 Feb 2021 at 20:36, Greg Kroah-Hartman > <gregkh@linuxfoundation.org> wrote: > > > > This is the start of the stable review cycle for the 4.19.176 release. > > There are 24 patches in this series, all will be posted as a response > > to this one. If anyone has any issues with these being applied, please > > let me know. > > > > Responses should be made by Sat, 13 Feb 2021 15:01:39 +0000. > > Anything received after that time might be too late. > > > > The whole patch series can be found in one patch at: > > https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.176-rc1.gz > > or in the git tree and branch at: > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y > > and the diffstat can be found below. > > > > thanks, > > > > greg k-h > > The following lockdep noticed on the arm beaglebone x15 device. > I have not bisected this problem yet. > Suspecting this patch, > > > David Collins <collinsd@codeaurora.org> > > regulator: core: avoid regulator_resolve_supply() race condition Sasha queued up a fix for this, let me push out a -rc2 with that in there to see if this resolves the issue. thanks greg k-h ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 4.19 00/24] 4.19.176-rc1 review 2021-02-12 7:42 ` Greg Kroah-Hartman @ 2021-02-12 10:29 ` Naresh Kamboju 2021-02-12 11:00 ` Greg Kroah-Hartman 0 siblings, 1 reply; 4+ messages in thread From: Naresh Kamboju @ 2021-02-12 10:29 UTC (permalink / raw) To: Greg Kroah-Hartman Cc: open list, Shuah Khan, patches, lkft-triage, Jon Hunter, linux-stable, pavel, Andrew Morton, Linus Torvalds, Guenter Roeck, linux-arm-msm, David Collins, Mark Brown On Fri, 12 Feb 2021 at 13:12, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > > On Fri, Feb 12, 2021 at 10:16:11AM +0530, Naresh Kamboju wrote: > > On Thu, 11 Feb 2021 at 20:36, Greg Kroah-Hartman > > <gregkh@linuxfoundation.org> wrote: > > > > > > This is the start of the stable review cycle for the 4.19.176 release. > > > There are 24 patches in this series, all will be posted as a response > > > to this one. If anyone has any issues with these being applied, please > > > let me know. > > > > > > Responses should be made by Sat, 13 Feb 2021 15:01:39 +0000. > > > Anything received after that time might be too late. > > > > > > The whole patch series can be found in one patch at: > > > https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.176-rc1.gz > > > or in the git tree and branch at: > > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y > > > and the diffstat can be found below. > > > > > > thanks, > > > > > > greg k-h > > > > The following lockdep noticed on the arm beaglebone x15 device. > > I have not bisected this problem yet. > > Suspecting this patch, > > > > > David Collins <collinsd@codeaurora.org> > > > regulator: core: avoid regulator_resolve_supply() race condition > > Sasha queued up a fix for this, let me push out a -rc2 with that in > there to see if this resolves the issue. The reported issue is fixed on 4.19.176-rc2. - Naresh ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH 4.19 00/24] 4.19.176-rc1 review 2021-02-12 10:29 ` Naresh Kamboju @ 2021-02-12 11:00 ` Greg Kroah-Hartman 0 siblings, 0 replies; 4+ messages in thread From: Greg Kroah-Hartman @ 2021-02-12 11:00 UTC (permalink / raw) To: Naresh Kamboju Cc: open list, Shuah Khan, patches, lkft-triage, Jon Hunter, linux-stable, pavel, Andrew Morton, Linus Torvalds, Guenter Roeck, linux-arm-msm, David Collins, Mark Brown On Fri, Feb 12, 2021 at 03:59:41PM +0530, Naresh Kamboju wrote: > On Fri, 12 Feb 2021 at 13:12, Greg Kroah-Hartman > <gregkh@linuxfoundation.org> wrote: > > > > On Fri, Feb 12, 2021 at 10:16:11AM +0530, Naresh Kamboju wrote: > > > On Thu, 11 Feb 2021 at 20:36, Greg Kroah-Hartman > > > <gregkh@linuxfoundation.org> wrote: > > > > > > > > This is the start of the stable review cycle for the 4.19.176 release. > > > > There are 24 patches in this series, all will be posted as a response > > > > to this one. If anyone has any issues with these being applied, please > > > > let me know. > > > > > > > > Responses should be made by Sat, 13 Feb 2021 15:01:39 +0000. > > > > Anything received after that time might be too late. > > > > > > > > The whole patch series can be found in one patch at: > > > > https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.19.176-rc1.gz > > > > or in the git tree and branch at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y > > > > and the diffstat can be found below. > > > > > > > > thanks, > > > > > > > > greg k-h > > > > > > The following lockdep noticed on the arm beaglebone x15 device. > > > I have not bisected this problem yet. > > > Suspecting this patch, > > > > > > > David Collins <collinsd@codeaurora.org> > > > > regulator: core: avoid regulator_resolve_supply() race condition > > > > Sasha queued up a fix for this, let me push out a -rc2 with that in > > there to see if this resolves the issue. > > The reported issue is fixed on 4.19.176-rc2. Wonderful, thanks for letting me know. greg k-h ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2021-02-12 11:03 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- [not found] <20210211150147.743660073@linuxfoundation.org> 2021-02-12 4:46 ` [PATCH 4.19 00/24] 4.19.176-rc1 review Naresh Kamboju 2021-02-12 7:42 ` Greg Kroah-Hartman 2021-02-12 10:29 ` Naresh Kamboju 2021-02-12 11:00 ` Greg Kroah-Hartman
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