Messages in this thread | | | From | Andy Shevchenko <> | Date | Wed, 8 Mar 2017 12:52:32 +0200 | Subject | Re: v4.11-rc1 boot time regression |
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On Wed, Mar 8, 2017 at 10:26 AM, Thomas Gleixner <tglx@linutronix.de> wrote: > On Tue, 7 Mar 2017, Andy Shevchenko wrote: >> On Tue, Mar 7, 2017 at 9:21 PM, Linus Torvalds >> <torvalds@linux-foundation.org> wrote: >> > On Tue, Mar 7, 2017 at 11:02 AM, Andy Shevchenko >> > <andy.shevchenko@gmail.com> wrote: >> >> >> >> 60 seconds of wait for what exactly? I have no clue right now. Any suggestions? >> > >> > Ugh. If it is something that is actively sleeping, sysrq-t during the >> > pause might give a hint. >> >> Unfortunately seems I can't do this. I managed to disable watchdog in >> U-Boot, but seems console is not yet switched to the driver my blind >> key presses went nowhere. >> >> > But it could be just a timer thing with nobody actively waiting for >> > it, just a general init completion thing, and then it wouldn't show up >> > as a thread with a backtrace. In that case you might need to bisect >> > it.. >> >> Looks like it's the only way if 60 seconds doesn't ring a bell to anyone... >> Anyway, now (as you know :-) ) quite late in Hki, have to give my body >> a bit of sleep. > > A shot in the dark: > > Could you try Linus head first, especially commit: > > fa3aa7a54fe6 ("jiffies: Revert bogus conversion of NSEC_PER_SEC to TICK_NSEC") > > which fixes: 93825f2ec736 ("jiffies: Reuse TICK_NSEC instead of NSEC_PER_JIFFY")
Thomas, you are cool! That is the one. Thanks!
-- With Best Regards, Andy Shevchenko
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