On Fri, Aug 03, 2012 at 08:48:19PM +0800, Fengguang Wu wrote:
> On Fri, Aug 03, 2012 at 08:01:19PM +0800, Fengguang Wu wrote:
> > Hi Alexander,
> >
> > Kernel build failed on
> >
> > tree: git://otcgit.jf.intel.com/ashishki/linux.git rtit-dummy
> > head: b51a58282492b3739c667d673aacee9bc35c1e3f
> > commit: 57f5876423d5763a25e5a4333a3b3783c49e6628 [2/5] x86: first shot at RTIT driver
> > config: i386-randconfig-b031 (attached as .config)
> >
> > Build errors:
> >
> > make[4]: *** No rule to make target `../../include/asm/cpufeature.h', needed by `arch/x86/kernel/cpu/capflags.c'.
> > make[4]: *** No rule to make target `mkcapflags.pl', needed by `arch/x86/kernel/cpu/capflags.c'.
>
> The patch manages to block the build system like this:
>
> /*
> * kbuild-i386 ashishki/rtit-dummy [4/5] be536bf (69 minutes ago) 2012-08-03 18:38 00:00:03 / 1 = 3s
> */
> [3 weeks ago, Alexander Shishkin] interim
>
> 2798 real 1343 user 1043 sys 85.29% cpu i386-randconfig-k025
> 3324 real 1524 user 1326 sys 85.74% cpu i386-randconfig-k029
> 6734 real 3087 user 2588 sys 84.26% cpu i386-randconfig-k023
>
> ^C%
> init-+-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> |-2*[make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---m+
> |-make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make---make+
> [cut off hundreds of more lines]
OMG, it even panics one build server:
/*
* snb-x86_64 ashishki/rtit-dummy [2/5] 57f5876 (54 minutes ago) 2012-08-03 18:23 00:05:14 / 1 = 314s
*/
[3 weeks ago, Alexander Shishkin] x86: first shot at RTIT driver
arch/x86/include/asm/perf_event.h | 1 +
arch/x86/kernel/cpu/perf_event.h | 30 +++
include/linux/perf_event.h | 11 +-
Message from syslogd@snb at Aug 3 20:12:57 ...
kernel:[187273.242473] BUG: soft lockup - CPU#1 stuck for 22s! [cc1:33256]
Message from syslogd@snb at Aug 3 20:12:57 ...
kernel:[187273.259462] BUG: soft lockup - CPU#2 stuck for 22s! [cc1:33507]
Message from syslogd@snb at Aug 3 20:12:57 ...
kernel:[187273.276451] BUG: soft lockup - CPU#3 stuck for 22s! [cc1:33509]
Message from syslogd@snb at Aug 3 20:12:57 ...
kernel:[187273.292443] BUG: soft lockup - CPU#4 stuck for 22s! [rsyslogd:4142]
Message from syslogd@snb at Aug 3 20:12:57 ...
kernel:[187273.309430] BUG: soft lockup - CPU#5 stuck for 22s! [cc1:33248]
Message from syslogd@snb at Aug 3 20:12:57 ...
kernel:[187273.325420] BUG: soft lockup - CPU#6 stuck for 22s! [make:47831]
......
Thanks,
Fengguang
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