ub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d47924417319e3b6a728c0b690f183e75bc2a702
Tagged for stable.
Thanks,
tglx
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https://bugs.launchpad.net/bugs/1733662
Title:
done
> echo "online cpus:"
> grep processor /proc/cpuinfo|wc
> done
>
> I'm finding a Haswell to reproduce the issue.
Come on. This is crystal clear from the KASAN trace. And the fix is
simple enough.
You simply do not run into it because o
;>>> x86/intel_rdt/cqm: Improve limbo list processing
> >>>>
> >>>>
> >>>> The regression was introduced as of v4.14-r1 and still exists with
> >>>> current mainline. The trace with v4.15-rc7 is in comment #44[1].
> >>>&
nk gathering any additional data will help diagnose this issue,
> > or would it be best to submit a revert request?
>
> That stinks like a use after free. Can you run with KASAN enabled?
>
> Thanks,
>
> tglx
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You received this bug notification because you are a
in comment #44[1].
>
> I was hoping to get your feedback, since you are the patch author. Do
> you think gathering any additional data will help diagnose this issue,
> or would it be best to submit a revert request?
That stinks like a use after free. Can you run with KASAN enabled?
Thanks,
p
data in the CPUID.
Does the patch below cure the issue?
Thanks,
tglx
8<---
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -332,6 +332,11 @@ static void __init smp_init_package_map(
* primary cores.
*/
ncpus = boot_cpu_data.
The upstream bugzilla is for a different type of systems, please do not
mix those as they have different root causes. Please open a separate bug
on kernel.org for this problem, which affects AMD C1E machines.
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System freezes during boot, unless I hold a key down