linux-kernel - Re: [RFC][PATCH 00/13] SCHED_DEADLINE server infrastructure

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Date:   Wed, 4 Sep 2019 13:32:47 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Juri Lelli <juri.lelli@...hat.com>
Cc:     Alessio Balsini <balsini@...roid.com>, mingo@...nel.org,
        linux-kernel@...r.kernel.org, dietmar.eggemann@....com,
        luca.abeni@...tannapisa.it, bristot@...hat.com, dvyukov@...gle.com,
        tglx@...utronix.de, vpillai@...italocean.com, rostedt@...dmis.org
Subject: Re: [RFC][PATCH 00/13] SCHED_DEADLINE server infrastructure

On Wed, Sep 04, 2019 at 12:50:37PM +0200, Juri Lelli wrote:
> Hi Alessio,
> 
> On 03/09/19 15:27, Alessio Balsini wrote:
> > Hi Peter,
> > 
> > While testing your series (peterz/sched/wip-deadline 7a9e91d3fe951), I ended up
> > in a panic at boot on a x86_64 kvm guest, would you please have a look?  Here
> > attached the backtrace.
> > Happy to test any suggestion that fixes the issue.
> 
> Are you running with latest fix by Peter?
> 
> https://lore.kernel.org/lkml/20190830112437.GD2369@hirez.programming.kicks-ass.net/
> 
> It seems that his wip tree now has d3138279c7f3 on top (and the fix
> above has been merged).
> 
> Not sure it fixes also what you are seeing, though.

He likely is; but it is also very likely I messed it up somehow; I
didn't even boot that branch :/ I'll try and have a look, but I'm
running out of time before LPC.