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2351f8d295
Currently the kernel threads are not frozen in software_resume(), so between dpm_suspend_start(PMSG_QUIESCE) and resume_target_kernel(), system_freezable_power_efficient_wq can still try to submit SCSI commands and this can cause a panic since the low level SCSI driver (e.g. hv_storvsc) has quiesced the SCSI adapter and can not accept any SCSI commands: https://lkml.org/lkml/2020/4/10/47 At first I posted a fix (https://lkml.org/lkml/2020/4/21/1318) trying to resolve the issue from hv_storvsc, but with the help of Bart Van Assche, I realized it's better to fix software_resume(), since this looks like a generic issue, not only pertaining to SCSI. Cc: All applicable <stable@vger.kernel.org> Signed-off-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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| .. | ||
| autosleep.c | ||
| console.c | ||
| energy_model.c | ||
| hibernate.c | ||
| Kconfig | ||
| main.c | ||
| Makefile | ||
| power.h | ||
| poweroff.c | ||
| process.c | ||
| qos.c | ||
| snapshot.c | ||
| suspend_test.c | ||
| suspend.c | ||
| swap.c | ||
| user.c | ||
| wakelock.c | ||