From: Kashyap Chamarthy <kchamart@redhat.com>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Gleb Natapov <gleb@kernel.org>,
Josh Boyer <jwboyer@fedoraproject.org>,
One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
Viresh Kumar <viresh.kumar@linaro.org>,
Dirk Brandewie <dirk.brandewie@gmail.com>,
"cpufreq@vger.kernel.org" <cpufreq@vger.kernel.org>,
Linux PM list <linux-pm@vger.kernel.org>,
"Linux-Kernel@Vger. Kernel. Org" <linux-kernel@vger.kernel.org>,
"Richard W.M. Jones" <rjones@redhat.com>
Subject: Re: intel_pstate divide error with v3.13-rc4-256-gb7000ad
Date: Sun, 29 Dec 2013 13:12:18 +0100 [thread overview]
Message-ID: <52C011A2.3040800@redhat.com> (raw)
In-Reply-To: <231382870.yshsPRR4KM@vostro.rjw.lan>
[. . .]
>> Here's host dmesg: https://bugzilla.kernel.org/attachment.cgi?id=119751
>>
>>>> Can you ftrace the failure?
>>
>> Can try, need some time (rest of the day I'll be away travelling,
>> will try to do it over the weekend, and update the Kernel
>> bugzilla with observations).
>>
>>>>
>>> Ugh, it looks like guest dmesg but there are KVM messages there too ("[
>>> 281.443662] kvm [2452]: vcpu0 unhandled rdmsr: 0xe8" is unhandled access
>>> to MSR_IA32_APERF I was talking about above), so I guess this is nested
>>> guest invocation?
>>
>> Yeah -- sorry, I forgot to note it's in a nested environment :(
>>
>>> Does it happen in non nested guest?
>>
>> I need to that.
>>
>> Note to self: Also try with a newer Kernel on the host.
>
> Please try the patch I posted earlier today when you're at it:
>
> https://patchwork.kernel.org/patch/3411991/
I applied the patch & tried to build the Kernel, it failed with:
=======
.
.
.
Generating a 4096 bit RSA private key
............................................................................................................drivers/cpufreq/intel_pstate.c:
In function 'intel_pstate_init_cpu':
drivers/cpufreq/intel_pstate.c:617:18: error: 'struct pstate_data' has no member named
'current_state'
if (!cpu->pstate.current_state) {
^
...make[2]: *** [drivers/cpufreq/intel_pstate.o] Error 1
make[1]: *** [drivers/cpufreq] Error 2
make[1]: *** Waiting for unfinished jobs....
.....................................make: *** [drivers] Error 2
make: *** Waiting for unfinished jobs....
...................................++
=======
I'll try it on Fedora Kernel git, do a test build and re-try again.
--
/kashyap
next prev parent reply other threads:[~2013-12-29 12:12 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-24 14:36 intel_pstate divide error with v3.13-rc4-256-gb7000ad Josh Boyer
2013-12-24 16:06 ` Viresh Kumar
2013-12-27 12:24 ` One Thousand Gnomes
2013-12-27 12:47 ` Gleb Natapov
2013-12-27 13:46 ` Josh Boyer
2013-12-27 14:15 ` Kashyap Chamarthy
2013-12-27 14:34 ` Richard W.M. Jones
2013-12-27 16:52 ` Gleb Natapov
2013-12-27 17:01 ` Gleb Natapov
2013-12-27 17:17 ` Richard W.M. Jones
2013-12-27 17:17 ` Kashyap Chamarthy
2013-12-27 21:51 ` Rafael J. Wysocki
2013-12-29 12:12 ` Kashyap Chamarthy [this message]
2013-12-29 15:04 ` Rafael J. Wysocki
2013-12-30 14:58 ` Kashyap Chamarthy
2013-12-31 2:07 ` Rafael J. Wysocki
2014-01-03 17:30 ` Dirk Brandewie
2014-01-03 18:04 ` Gleb Natapov
2014-01-03 20:00 ` Dirk Brandewie
2014-01-03 22:06 ` Paolo Bonzini
2014-01-06 17:18 ` Dirk Brandewie
2014-01-07 16:11 ` Gleb Natapov
2014-01-03 22:46 ` Rafael J. Wysocki
2014-01-04 8:35 ` Paolo Bonzini
2014-01-04 14:38 ` Rafael J. Wysocki
2014-01-04 17:38 ` Paolo Bonzini
2014-01-04 17:48 ` Gleb Natapov
2014-01-04 21:38 ` Rafael J. Wysocki
2014-01-06 11:20 ` Paolo Bonzini
2014-01-06 11:37 ` Rafael J. Wysocki
2014-01-06 18:40 ` Dirk Brandewie
2013-12-27 14:35 ` Rafael J. Wysocki
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