Bug#670398: linux-image-2.6.32-5-amd64: SSH logins hang while hpet interrupts multiply on Intel Nehalem CPUs

2012-04-25 Thread John Stultz
ose summary lines, I think the upstream changes are: commit 08ec0c58fb8a05d3191d5cb6f5d6f81adb419798 (v2.6.38-rc1~480^2~1) Author: John Stultz Date: Tue Jul 27 17:00:00 2010 -0700 x86: Improve TSC calibration using a delayed workqueue commit f12a15be63d1de9a35971f35f06b73088fa25c3a (v2.6.36

Bug#647095: CPU hyperthreading turned on after soft power-cycle

2011-11-29 Thread John Stultz
On Tue, 2011-11-29 at 13:26 +0100, Clarinet wrote: > > Using an older "known-good" kernel, could you build and run the test > > case at the end of Documentation/rtc.txt a few times and see if it > > triggers the same problem? > > > > I'm suspicious that the setting the alarm is whats tripping the B

Bug#647095: CPU hyperthreading turned on after soft power-cycle

2011-11-28 Thread John Stultz
On Mon, 2011-11-21 at 22:31 +0100, Jiri Polach wrote: > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > > index cb9a104..77b5273 100644 > > --- a/arch/x86/Kconfig > > +++ b/arch/x86/Kconfig > > @@ -640,7 +640,7 @@ config HPET_TIMER > > Choose N to continue using the legacy 8254 timer. >

Bug#647095: CPU hyperthreading turned on after soft power-cycle

2011-11-21 Thread John Stultz
first bad commit was among them). Having this > >>>> solved I have been able to bisect without "skipping". The result is > >>>> surprising (at least for me) - believe it or not, the first bad commit > >>>> is 6610e089 "RTC: Rework RTC code to use

Bug#647095: CPU hyperthreading turned on after soft power-cycle

2011-11-17 Thread John Stultz
On Fri, 2011-11-18 at 00:42 +0100, Jiri Polach wrote: > On 11/17/2011 9:32 PM, John Stultz wrote: > > On Wed, 2011-11-16 at 23:49 +0100, Clarinet wrote: > >> Hi all, > >> > >>>> Result of bisecting: v2.6.38-rc1 exhibits the problem. v2.6.37 and >

Bug#647095: CPU hyperthreading turned on after soft power-cycle

2011-11-17 Thread John Stultz
bootable and the first bad commit was among them). Having this > solved I have been able to bisect without "skipping". The result is > surprising (at least for me) - believe it or not, the first bad commit > is 6610e089 "RTC: Rework RTC code to use timerqueue for events" fr