Messages in this thread | | | Date | Wed, 09 May 2012 17:22:52 +0200 | From | Igor Mammedov <> | Subject | Re: [PATCH 1/5] Fix soft-lookup in stop machine on secondary cpu bring up |
| |
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)?
-- ----- Igor
| |