Re: any remaining for-6.0 issues?

[Mark Cave-Ayland]

On 17/04/2021 20:46, Peter Maydell wrote:

> > On 14/04/2021 13:48, Thomas Huth wrote:
> > > I've seen some intermittend, non-reproducible crashes with usermode QEMU in 
> > > some of
> > > my CI runs, e.g.:
> > >
> > > https://gitlab.com/thuth/qemu/-/jobs/1178256498#L3876
> > >
> > > https://gitlab.com/thuth/qemu/-/jobs/1146276208#L3241
> > >
> > > This was only with ccache enabled, so I thought that it might be related to my
> > > work-in-progress ccache patches...
> > >
> > > ... but now Cornelia reported that she has seen such a crash in one of her 
> > > branches,
> > > too (which is completely unrelated to my ccache patches):
> > >
> > > https://gitlab.com/cohuck/qemu/-/jobs/1178860927#L3867
> > >
> > > That makes me wonder whether we currently have a real problem with user-mode in 
> > > the
> > > master branch? Did anybody else see such problems?
> >
> > I've definitely seen the same issue as Cornelia in my Gitlab CI builds for the 
> > ESP
> > security fixes (first version of which appeared just before rc0). The user 
> > builds
> > always fail on "run-tcg-tests-s390x-linux-user" for me.
>
> Do we have any better understanding yet of the cause here?
> (I ask because I think we're going to need an rc4 for other reasons,
> so if there's a ready-to-go fix then we could consider it.)

I don't think so. I tried a run with a possible candidate patch reverted (see 
https://lists.gnu.org/archive/html/qemu-devel/2021-04/msg02345.html) but Cornelia's 
response indicates that the result is still inconclusive :(


ATB,

Mark.