Re: [PATCH v11 7/7] arm: pmu: Add PMU definitions for cores not initially online

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

 



On Tue, Dec 06, 2016 at 11:56:56AM -0600, Jeremy Linton wrote:
> Hi,

> Which might not be the right choice because
> even without these ACPI specific bits, simply running a few cpus
> online/offline while simultaneously doing something like `perf stat
> -e cache-misses ls &` in a loop causes deadlocks/crashes.
> 
> That problem doesn't appear to be specific to the ACPI/PMU so I've
> stayed away from it in this patch set, although potentially a larger
> fix might cover this as well.

Urrgh; I can reproduce lockups on Seattle with v4.9-rc8.

I'll look into that.

If you see any more issues in this area, please report them in a new
thread.

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



[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux