[Bug 1733662] Re: [REGRESSION][v4.14.y][v4.15] x86/intel_rdt/cqm: Improve limbo list processing

2018-01-17 Thread tglx
ub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d47924417319e3b6a728c0b690f183e75bc2a702 Tagged for stable. Thanks, tglx -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1733662 Title:

[Bug 1733662] RE: [REGRESSION][v4.14.y][v4.15] x86/intel_rdt/cqm: Improve limbo list processing

2018-01-16 Thread tglx
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

[Bug 1733662] Re: [REGRESSION][v4.14.y][v4.15] x86/intel_rdt/cqm: Improve limbo list processing

2018-01-16 Thread tglx
;>>>     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]. > >>>&

[Bug 1733662] Re: [REGRESSION][v4.14.y][v4.15] x86/intel_rdt/cqm: Improve limbo list processing

2018-01-16 Thread tglx
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 -- You received this bug notification because you are a

[Bug 1733662] Re: [REGRESSION][v4.14.y][v4.15] x86/intel_rdt/cqm: Improve limbo list processing

2018-01-14 Thread tglx
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,

[Bug 1397880] Re: [v4.6-rc1 Regression] x86/topology: Create logical package id

2016-05-06 Thread tglx
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.

[Bug 272247] Re: System freezes during boot, unless I hold a key down

2008-10-18 Thread tglx
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. -- System freezes during boot, unless I hold a key down