On Mon, 2022-10-17 at 19:19 -0700, Todd Brandt wrote: > In the v6.1-rc1 kernel release from about 24 hours ago, the wakealarm > file for the real time clock appears to be missing. Specifically: > > /sys/class/rtc/rtc0/wakealarm > > Without this sysfs file, the rtcwake and sleepgraph tools no longer > function properly (and probably all tools that use the RTC through > sysfs). I've tested on 10 machines so far and this occurs on all of > them regardless of the specific hardware. > > The issue is in this patch set for the rtc subsystem. If I remove > this > commit and rebuild, the issue goes away. I'm in the process of > bisecting further. > > commit b7270c69a36efc61ed6ebd31a8a458f354a6edc0 > Merge: 4ce1b97949cb e5f12a398371 > Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Date: Fri Oct 14 18:36:42 2022 -0700 > > I've opened a bugzilla issue here: > https://bugzilla.kernel.org/show_bug.cgi?id=216600 > I've bisected this issue to a single commit. I recommend that this commit be reverted immediately while Raphael creates a fix. It breaks linux tools that use the rtc wakealarm. commit 4919d3eb2ec0ee364f7e3cf2d99646c1b224fae8 Author: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Date: Wed Oct 12 20:07:01 2022 +0200 rtc: cmos: Fix event handler registration ordering issue
