Re: [PATCH 1/5] Fix soft-lookup in stop machine on secondary cpu bring up

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 2012-05-09 at 17:22 +0200, Igor Mammedov wrote:
> On 05/09/2012 05:04 PM, Shuah Khan wrote:
> > On Wed, 2012-05-09 at 12:24 +0200, Igor Mammedov wrote:
> >> When bringing up cpuX1, it could stall in start_secondary
> >> before setting cpu_callin_mask for more than 5 sec. That forces
> >> do_boot_cpu() to give up on waiting and go to error return path
> >> printing messages:
> >>    pr_err("CPU%d: Stuck ??\n", cpuX1);
> >
> > I am seeing this with the linux-next May 7th build on my laptop HP
> > EliteBook 8440p during boot. Could this problem be not specific to virt
> > envs.? Anybody else seeing it?
> 
> I could only guess that on bare metal SMI or other firmware issue may interfere with AP boot.
> Could you test if this patch-set fixes issue for you?
> And do you see the same problem during suspend/resume (assuming that it's booted without problem)?
> 

I had to abandon the boot and go back to distro installed kernel - yes I
will test with your patch set and see if the problem goes away. Might
not happen until close to end of day today, but will report back.

-- Shuah


--
To unsubscribe from this list: send the line "unsubscribe linux-doc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux