Messages in this thread | | | Date | Mon, 11 Jun 2007 18:43:44 -0400 | From | Mark Lord <> | Subject | Re: [patch-mm 00/23] High resolution timer updates and x86_64 support |
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Thomas Gleixner wrote: > Mark, > > On Sun, 2007-06-10 at 18:46 -0400, Mark Lord wrote: >> Do you know if there's anything specific in there that would fix >> the start-up race condition with HRTIMERS on my machine here >> (previously discussed, yet unresolved)? >> >> It still happens sporadically on boot-up -- maybe one in 10 boots without >> any change in the kernel binary.. > > on which kernel version ?
Originally back with 2.6.21, but more recently on kernels as new as 2.6.22-rc3.
For now, I've simply grabbed your new patchset and applied it to 2.6.22-rc4-git*, and I'll cry out again if the problem should recur with your latest stuff.
Thanks.
> > -------- Original Message -------- > Subject: [BUG] 2.6.21: Kernel won't boot with either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS > Date: Mon, 30 Apr 2007 16:17:00 -0400 > From: Mark Lord <lkml@rtr.ca> > To: Linux Kernel <linux-kernel@vger.kernel.org>, tglx@linutronix.de > CC: Linus Torvalds <torvalds@osdl.org> > > I have a new notebook (Dell Inspiron 9400) with Core2-Duo T7400 @ 2.1Ghz. > When either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS is used, > the 2.6.21 kernel hangs on startup just after printing one/both of these: > > kernel: switched to high resolution mode on cpu 1 > kernel: switched to high resolution mode on cpu 0 > > 100% of the time. The only fix I've found is to rebuild > the kernel without those two options. > > The failed kernel.config is attached. > Here is /proc/cpuinfo and lspci -v. > > Any help appreciated.
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