Messages in this thread | | | Subject | Re: Regression with PM / wakeup: Show wakeup sources stats in sysfs" | From | "Rafael J. Wysocki" <> | Date | Fri, 29 May 2020 18:51:22 +0200 |
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On 5/28/2020 10:46 PM, Florian Fainelli wrote: > Hi, > > Commit c8377adfa78103be5380200eb9dab764d7ca890e ("PM / wakeup: Show > wakeup sources stats in sysfs") is causing some of our tests to fail > because /sys/class/net/*/device/power/wakeup_count is now 0, despite > /sys/kernel/debug/wakeup_sources clearly indicating that the Ethernet > device was responsible for system wake-up. > > What's more in looking at /sys/class/wakekup/wakeup2/event_count, we > have the number of Wake-on-LAN wakeups recorded properly, but > wakeup_count is desperately 0, why is that?
I need to look at that commit in detail to find out what is going on.
> This is seen on 5.4.43, but it is reproducible on Linus' master as well. > > The Ethernet driver being used is under > drivers/net/ethernet/broadcom/genet/ and the relevant part is in the > function bcmgenet_set_wol(). > > BTW, I think you want to backport > e976eb4b91e906f20ec25b20c152d53c472fc3fd ("PM: wakeup: Show statistics > for deleted wakeup sources again") into 5.4 and 4.19 at least.
Well, please feel free to send a request to do that to stable@vger.kernel.org.
Thanks!
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