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| Started by | John Stultz <john.stultz@linaro.org> |
|---|---|
| First post | 2015-12-02 21:50 +0100 |
| Last post | 2015-12-02 22:40 +0100 |
| Articles | 3 — 2 participants |
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Re: [REGRESSION] b8b2c7d845 breaks suspend/resume in qemu John Stultz <john.stultz@linaro.org> - 2015-12-02 21:50 +0100
Re: [REGRESSION] b8b2c7d845 breaks suspend/resume in qemu Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-02 22:00 +0100
Re: [REGRESSION] b8b2c7d845 breaks suspend/resume in qemu John Stultz <john.stultz@linaro.org> - 2015-12-02 22:40 +0100
| From | John Stultz <john.stultz@linaro.org> |
|---|---|
| Date | 2015-12-02 21:50 +0100 |
| Subject | Re: [REGRESSION] b8b2c7d845 breaks suspend/resume in qemu |
| Message-ID | <qBmvE-3Jz-23@gated-at.bofh.it> |
On Wed, Dec 2, 2015 at 12:39 PM, John Stultz <john.stultz@linaro.org> wrote: > Hey Uwe, > > So I recently noticed that my alarmtimer suspend/resume tests > (selftests/timers/alartimer-suspend.c) were getting stuck testing w/ > 4.4-rc kernels when running under qemu (x86_64). > > I've bisected this back to: b8b2c7d845 (base/platform: assert that > dev_pm_domain callbacks are called unconditionally). > > I've not yet spent done any further analysis (bisecting it down, after > some user-error, ate up my morning). But I wanted to see if there were > any initial suggestions for solving this. Just one other quick note: Reverting this commit against 4.4-rc3 seems to work as well. thanks -john -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
|---|---|
| Date | 2015-12-02 22:00 +0100 |
| Message-ID | <qBmFk-3Od-9@gated-at.bofh.it> |
| In reply to | #1282366 |
On Wed, Dec 02, 2015 at 12:46:10PM -0800, John Stultz wrote: > On Wed, Dec 2, 2015 at 12:39 PM, John Stultz <john.stultz@linaro.org> wrote: > > Hey Uwe, > > > > So I recently noticed that my alarmtimer suspend/resume tests > > (selftests/timers/alartimer-suspend.c) were getting stuck testing w/ > > 4.4-rc kernels when running under qemu (x86_64). > > > > I've bisected this back to: b8b2c7d845 (base/platform: assert that > > dev_pm_domain callbacks are called unconditionally). > > > > I've not yet spent done any further analysis (bisecting it down, after > > some user-error, ate up my morning). But I wanted to see if there were > > any initial suggestions for solving this. > > Just one other quick note: Reverting this commit against 4.4-rc3 seems > to work as well. There's a proposed patch to resolve this on the mailing list, "Subject: [PATCH] base/platform: fix panic when probe function is NULL" from Martin, but I think he's going to send me an updated version before I forward it on to Linus. It should resolve your issue, can you verify that? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | John Stultz <john.stultz@linaro.org> |
|---|---|
| Date | 2015-12-02 22:40 +0100 |
| Message-ID | <qBni2-4hS-23@gated-at.bofh.it> |
| In reply to | #1282377 |
On Wed, Dec 2, 2015 at 12:57 PM, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > On Wed, Dec 02, 2015 at 12:46:10PM -0800, John Stultz wrote: >> On Wed, Dec 2, 2015 at 12:39 PM, John Stultz <john.stultz@linaro.org> wrote: >> > Hey Uwe, >> > >> > So I recently noticed that my alarmtimer suspend/resume tests >> > (selftests/timers/alartimer-suspend.c) were getting stuck testing w/ >> > 4.4-rc kernels when running under qemu (x86_64). >> > >> > I've bisected this back to: b8b2c7d845 (base/platform: assert that >> > dev_pm_domain callbacks are called unconditionally). >> > >> > I've not yet spent done any further analysis (bisecting it down, after >> > some user-error, ate up my morning). But I wanted to see if there were >> > any initial suggestions for solving this. >> >> Just one other quick note: Reverting this commit against 4.4-rc3 seems >> to work as well. > > There's a proposed patch to resolve this on the mailing list, "Subject: > [PATCH] base/platform: fix panic when probe function is NULL" from > Martin, but I think he's going to send me an updated version before I > forward it on to Linus. > > It should resolve your issue, can you verify that? Yep. That fix seems to avoid the problem for me. thanks -john -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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