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Re: 915f3e3f76 ("mac80211_hwsim: Replace bogus hrtimer clockid"): BUG: kernel reboot-without-warning in test stage

From Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Newsgroups linux.kernel
Subject Re: 915f3e3f76 ("mac80211_hwsim: Replace bogus hrtimer clockid"): BUG: kernel reboot-without-warning in test stage
Date 2017-09-05 18:50 +0200
Message-ID <umpd1-5fU-33@gated-at.bofh.it> (permalink)
References <um98d-3rq-3@gated-at.bofh.it> <umgjq-87w-67@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 2017-09-05 09:12:40 [+0200], Thomas Gleixner wrote:
> Sorry, no. That bisect is completely bogus. The commit in question merily
> replaces the unsupported clockid with a valid one.

The bisect is correct. It just has problems to express itself properly. So
the table says:

| WARNING:at_kernel/time/hrtimer.c:#hrtimer_init  | 7   |     |    |   |                                                                                
| BUG:kernel_reboot-without-warning_in_test_stage | 0   | 12  | 6  | 6 |                                                                                

which means _before_ your commit it counted a warning in hrtimer_init()
(an unsupported clock id was used). With your commit, the warning was
gone and I *think* the userland then printed
"BUG:kernel_reboot-without-warning_in_test_stage" because it had no
warning.
It seems that the bot learned to live with that warning which was around
for more than three years. Now that you removed it, it seems to be a
mistake to do so because nobody complained about it so far.

> Thanks,
> 
> 	tglx

Sebastian

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Thread

Re: 915f3e3f76 ("mac80211_hwsim: Replace bogus hrtimer clockid"):  BUG: kernel reboot-without-warning in test stage Thomas Gleixner <tglx@linutronix.de> - 2017-09-05 09:20 +0200
  Re: 915f3e3f76 ("mac80211_hwsim: Replace bogus hrtimer clockid"):  BUG: kernel reboot-without-warning in test stage Sebastian Andrzej Siewior <sebastian@breakpoint.cc> - 2017-09-05 18:50 +0200
    Re: 915f3e3f76 ("mac80211_hwsim: Replace bogus hrtimer clockid"):  BUG: kernel reboot-without-warning in test stage Thomas Gleixner <tglx@linutronix.de> - 2017-09-05 21:40 +0200

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