Re: Bug#1087809: Bug#1086028: I've reproduced the bug in QEMU
- To: Sergei Golovan <sgolovan@debian.org>, 1087809@bugs.debian.org
- Cc: 1086028@bugs.debian.org, 1093200@bugs.debian.org, Jiaxun Yang <jiaxun.yang@flygoat.com>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, debian-mips@lists.debian.org, Ben Hutchings <benh@debian.org>
- Subject: Re: Bug#1087809: Bug#1086028: I've reproduced the bug in QEMU
- From: Salvatore Bonaccorso <carnil@debian.org>
- Date: Wed, 26 Feb 2025 16:15:53 +0100
- Message-id: <[🔎] Z78wKYHtDi6RiSg-@lorien.valinor.li>
- Mail-followup-to: Sergei Golovan <sgolovan@debian.org>, 1087809@bugs.debian.org, 1086028@bugs.debian.org, 1093200@bugs.debian.org, Jiaxun Yang <jiaxun.yang@flygoat.com>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, debian-mips@lists.debian.org, Ben Hutchings <benh@debian.org>
- In-reply-to: <[🔎] CAOq2pXEqtY=VRRn8_AfDKFdKVwRHhtVXzKt7weyH1QEesyPh=w@mail.gmail.com>
- References: <ZxtbbSyUwcvRSk2P@remnant.pseudorandom.co.uk> <CAOq2pXE_xNjRhJNTW2Hx-0FDqwJB2-3XRJX3tjqajLvKS5ET+A@mail.gmail.com> <[🔎] Z73xdZHMzNUmKQ2c@eldamar.lan> <173196877405.3511515.18366979165260220458.reportbug@goemon> <[🔎] CAOq2pXEqtY=VRRn8_AfDKFdKVwRHhtVXzKt7weyH1QEesyPh=w@mail.gmail.com>
Hi Sergei,
On Wed, Feb 26, 2025 at 04:23:29PM +0300, Sergei Golovan wrote:
> Hi Salvatore,
>
> On Tue, Feb 25, 2025 at 7:36???PM Salvatore Bonaccorso <carnil@debian.org> wrote:
> >
> > Hi Sergei,
> >
> > Can you test the two patched attached instead please?
>
> I confirm that these two patches indeed fix the bug. I've applied them
> to the 6.1.128-1 kernel and used erlc (Erlang compiler) to reproduce
> the bug in QEMU. So far:
>
> 1) Without the patches erlc emits efault (14) once in a 30-40 runs;
> 2) With the patches erlc did not emit any efaults in a few thousand runs.
>
> So I think the patches are good.
Thanks for your testing an the confirmation, so I think we are good to
ask upstream stable maintainers to include the backports of those two
commits to the 6.1.y stable series as well.
Regards,
Salvatore
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