Re: printk.time causes rare kernel boot hangs

From: Richard W.M. Jones
Date: Wed Jun 14 2023 - 11:23:36 EST


On Wed, Jun 14, 2023 at 05:19:20PM +0200, Peter Zijlstra wrote:
> On Wed, Jun 14, 2023 at 04:07:17PM +0100, Richard W.M. Jones wrote:
> > On Wed, Jun 14, 2023 at 04:53:48PM +0200, Peter Zijlstra wrote:
>
> > > Clearly I'm doing something wrong.
> >
> > I'm suspecting version of qemu may have something to do with it, but
> > honestly I don't know. Which qemu are you using?
>
> ivb-ep: QEMU emulator version 7.2.0 (Debian 1:7.2+dfsg-3)
> adl: QEMU emulator version 7.2.0 (Debian 1:7.2+dfsg-1+b2)

We had a report that it occurred on qemu 7.0:
https://bugzilla.redhat.com/show_bug.cgi?id=2213346#c5

I didn't try qemu 7.2, but I've been using 8.0 in my tests.

I'm now trying (on Intel again) with qemu @ 7efd65423ab22e6f5890,
the latest version as of now.

> I'll try and upgrade the adl to 8.

Thanks,

Rich.

--
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