On Mon, Jan 18, 2016 at 11:36:25PM -0800, Greg KH wrote: > On Mon, Jan 18, 2016 at 05:34:32PM +0000, John Whitmore wrote: > > I built and installed v4.4 on my laptop but Suspend no longer worked so I set > > about doing a git bisect to find the source of the problem. I've never had > > cause to use bisect before so if nothing else I'll have learned something. > > > > Anyhow got to an end point in git bisect of: > > > > john@bamboo:> git bisect bad > > Bisecting: 0 revisions left to test after this (roughly 0 steps) > > [b8b2c7d845d57f7a4b9f1f941f24728165e27626] base/platform: assert that dev_pm_domain callbacks are called unconditionally > > > > I was actually chuffed I got that far and it took a while as I was doing a > > "make mrproper" each time. I sort of assumed that I could just bisect and do a > > make, which would work out what it had to recompile, but then thought maybe > > that was a bit of an assumption. Be a shame to do all that work and find out > > you had to clean up a bit between builds. > > You don't have to, a simple 'make oldconfig' and 'make' should do just > fine. > > > I'm sure that this problem has been found and a patch submitted by now as it > > seems to have been from months ago. But assuming neither had occured and this > > was a new discovery how do you check for a reported bug? Do you search mailing > > list for that commit number, or a part of that commit number? > > Yes, this bug has been found, and a fix was submitted, I just haven't > taken it yet, sorry. I will do so after 4.5-rc1 is out. If you search > the linux-kernel mailing list for: > Subject: [PATCH] base/platform: Fix platform drivers with no probe callback (ex alarmtimer) > > you can find the fix. > > Sorry you hit this, I'll get it merged soon. > Hey not at all, I'm glad I did hit the problem. I'm re-reading LDD for probably the third time and soaking up a little bit more, before I start work on a USB driver. I was glad of the distraction and happy to try see if I could find the source of the problem. If I wasn't busy I might even try and see if I could debug it and get my own fix, just for the exercise and learning. Who knows maybe it'll be a slow weekend ;-) > greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
