Messages in this thread | | | From | Josh Hunt <> | Date | Mon, 12 Aug 2019 11:57:46 -0700 | Subject | Re: Long standing kernel warning: perfevents: irq loop stuck! |
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On Mon, Aug 12, 2019 at 10:55 AM Thomas Gleixner <tglx@linutronix.de> wrote: > > On Mon, 12 Aug 2019, Josh Hunt wrote: > > Was there any progress made on debugging this issue? We are still > > seeing it on 4.19.44: > > I haven't seen anyone looking at this. > > Can you please try the patch Ingo posted: > > https://lore.kernel.org/lkml/20150501070226.GB18957@gmail.com/ > > and if it fixes the issue decrease the value from 128 to the point where it > comes back, i.e. 128 -> 64 -> 32 ... > > Thanks, > > tglx
I just checked the machines where this problem occurs and they're both Nehalem boxes. I think Ingo's patch would only help Haswell machines. Please let me know if I misread the patch or if what I'm seeing is a different issue than the one Cong originally reported.
Thanks -- Josh
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