Messages in this thread | | | Date | Thu, 8 Aug 2019 08:47:09 +0200 | From | Juri Lelli <> | Subject | Re: [RT BUG] isolcpus causes sleeping function called from invalid context (4.19.59-rt24) |
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Hi,
On 07/08/19 16:07, Steven Rostedt wrote: > On Mon, 5 Aug 2019 12:06:46 +0200 > Juri Lelli <juri.lelli@redhat.com> wrote: > > > This only happens if isolcpus are configured at boot. > > > > AFAIU, RT is reworking workqueues and 5.x-rt shouldn't suffer from this. > > As a matter of fact, I could verify that backporting the workqueue > > rework all-in change from 5.0-rt [1] fixes this problem. > > So you have backported this and it fixed the bug?
Yeah. I did backport it to a downstream kernel and the splat is gone (plus I couldn't spot any other problems my backport might have introduced :).
> > I'm thus wondering if there is any plan on backporting the rework to > > 4.19-rt stable, and if that patch has dependencies, or if any alternative > > fix might be found for this problem. > > I could do it after I fix the bug with 4.19.63 merge :-/ (which may be > related. Who knows).
Ok, thanks!
Best,
Juri
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