Re: Long standing kernel warning: perfevents: irq loop stuck!

2019-08-22 Thread Josh Hunt
On Mon, Aug 19, 2019 at 4:16 PM Josh Hunt wrote: > > On Mon, Aug 19, 2019 at 2:17 PM Josh Hunt wrote: > > > > On Mon, Aug 12, 2019 at 12:42 PM Josh Hunt wrote: > > > > > > On Mon, Aug 12, 2019 at 12:34 PM Thomas Gleixner > > > wrote: > > > > > > > > On Mon, 12 Aug 2019, Josh Hunt wrote: > > >

Re: Long standing kernel warning: perfevents: irq loop stuck!

2019-08-19 Thread Josh Hunt
On Mon, Aug 19, 2019 at 2:17 PM Josh Hunt wrote: > > On Mon, Aug 12, 2019 at 12:42 PM Josh Hunt wrote: > > > > On Mon, Aug 12, 2019 at 12:34 PM Thomas Gleixner wrote: > > > > > > On Mon, 12 Aug 2019, Josh Hunt wrote: > > > > On Mon, Aug 12, 2019 at 10:55 AM Thomas Gleixner > > > > wrote: > > >

Re: Long standing kernel warning: perfevents: irq loop stuck!

2019-08-19 Thread Josh Hunt
On Mon, Aug 12, 2019 at 12:42 PM Josh Hunt wrote: > > On Mon, Aug 12, 2019 at 12:34 PM Thomas Gleixner wrote: > > > > On Mon, 12 Aug 2019, Josh Hunt wrote: > > > On Mon, Aug 12, 2019 at 10:55 AM Thomas Gleixner > > > wrote: > > > > > > > > On Mon, 12 Aug 2019, Josh Hunt wrote: > > > > > Was the

Re: Long standing kernel warning: perfevents: irq loop stuck!

2019-08-12 Thread Josh Hunt
On Mon, Aug 12, 2019 at 12:34 PM Thomas Gleixner wrote: > > On Mon, 12 Aug 2019, Josh Hunt wrote: > > On Mon, Aug 12, 2019 at 10:55 AM Thomas Gleixner wrote: > > > > > > On Mon, 12 Aug 2019, Josh Hunt wrote: > > > > Was there any progress made on debugging this issue? We are still > > > > seeing

Re: Long standing kernel warning: perfevents: irq loop stuck!

2019-08-12 Thread Thomas Gleixner
On Mon, 12 Aug 2019, Josh Hunt wrote: > On Mon, Aug 12, 2019 at 10:55 AM Thomas Gleixner 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. > > > > C

Re: Long standing kernel warning: perfevents: irq loop stuck!

2019-08-12 Thread Josh Hunt
On Mon, Aug 12, 2019 at 10:55 AM Thomas Gleixner 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://l

Re: Long standing kernel warning: perfevents: irq loop stuck!

2019-08-12 Thread Thomas Gleixner
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.gb18...@gmail.com/ and if it fixes the

Re: Long standing kernel warning: perfevents: irq loop stuck!

2019-08-12 Thread Josh Hunt
On Mon, Feb 26, 2018 at 12:40 PM Andi Kleen wrote: > > > Given the HSD143 errata and its possible relevance, have you tried > > changing the magic number to 32, does it then still fix things? > > > > No real objection to the patch as such, it just needs a coherent comment > > and a tested-by tag I

Re: Long standing kernel warning: perfevents: irq loop stuck!

2018-02-26 Thread Andi Kleen
> Given the HSD143 errata and its possible relevance, have you tried > changing the magic number to 32, does it then still fix things? > > No real objection to the patch as such, it just needs a coherent comment > and a tested-by tag I think. 128 min period will affect a lot of valid use cases wi

Re: Long standing kernel warning: perfevents: irq loop stuck!

2018-02-26 Thread Cong Wang
On Fri, Feb 23, 2018 at 4:14 AM, Peter Zijlstra wrote: > On Thu, Feb 22, 2018 at 08:59:47PM -0800, Cong Wang wrote: >> Hello, >> >> We keep seeing the following kernel warning from 3.10 kernel to 4.9 >> kernel, it exists for a rather long time. >> >> Google search shows there was a patch from Ingo

Re: Long standing kernel warning: perfevents: irq loop stuck!

2018-02-23 Thread Peter Zijlstra
On Thu, Feb 22, 2018 at 08:59:47PM -0800, Cong Wang wrote: > Hello, > > We keep seeing the following kernel warning from 3.10 kernel to 4.9 > kernel, it exists for a rather long time. > > Google search shows there was a patch from Ingo: > https://patchwork.kernel.org/patch/6308681/ > > but it do