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Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under
From: |
Giovanni Mascellani |
Subject: |
Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode |
Date: |
Thu, 7 Feb 2019 12:05:09 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.0 |
Hi, thanks for answering!
Il 07/02/19 11:49, Cornelia Huck ha scritto:
> Did that work before commit 7de3b1cdc67 ("s390x/tcg: properly implement
> the TOD")?
It does not seem so:
$ /qemu-s390x-new -version
qemu-s390x version 2.12.50 (v2.12.0-1983-g7de3b1cdc6-dirty)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
$ /qemu-s390x-new ./a.out
Istruzione non consentita
(i.e., "illegal instruction")
But this might be expected. Now I go to the previous commit (f777b20544)
and recompile:
$ /qemu-s390x-new -version
qemu-s390x version 2.12.50 (v2.12.0-1982-gf777b20544-dirty)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
$ /qemu-s390x-new ./a.out
Istruzione non consentita
So again. And even going back to 76ed4b18de (i.e., skipping a few
apparently related s390x commits):
$ /qemu-s390x-new -version
qemu-s390x version 2.12.50 (v2.12.0-1976-g76ed4b18de-dirty)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
$ /qemu-s390x-new ./a.out
Istruzione non consentita
> stckf will end up at the same helper, so it seems likely to hit the
> same problem.
I guessed so.
Thanks again, Giovanni.
--
Giovanni Mascellani <address@hidden>
Postdoc researcher - Université Libre de Bruxelles
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- [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Giovanni Mascellani, 2019/02/07
- [Qemu-devel] [Bug 1815024] Re: SIGILL on instruction "stck" under qemu-s390x in user mode, Giovanni Mascellani, 2019/02/07
- [Qemu-devel] [Bug 1815024] Re: SIGILL on instruction "stck" under qemu-s390x in user mode, Giovanni Mascellani, 2019/02/07
- [Qemu-devel] [Bug 1815024] Re: SIGILL on instruction "stck" under qemu-s390x in user mode, Giovanni Mascellani, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Cornelia Huck, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode,
Giovanni Mascellani <=
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Thomas Huth, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Giovanni Mascellani, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Thomas Huth, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Richard Henderson, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Thomas Huth, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Richard Henderson, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Giovanni Mascellani, 2019/02/07
- Re: [Qemu-devel] [Bug 1815024] [NEW] SIGILL on instruction "stck" under qemu-s390x in user mode, Thomas Huth, 2019/02/07
[Qemu-devel] [Bug 1815024] Re: SIGILL on instruction "stck" under qemu-s390x in user mode, Thomas Huth, 2019/02/22