From: Borislav Petkov <bp@alien8.de>
To: Tavis Ormandy <taviso@gmail.com>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org
Subject: Re: x86: AMD Zen2 ymm registers rolling back
Date: Wed, 22 Feb 2023 09:33:19 +0100 [thread overview]
Message-ID: <Y/XTT59OrLw2as4R@zn.tnic> (raw)
In-Reply-To: <Y/W4x7/KFqmDmmR7@thinkstation.cmpxchg8b.net>
On Tue, Feb 21, 2023 at 10:40:07PM -0800, Tavis Ormandy wrote:
> Hello, I'm experiencing a serious bug on AMD Zen2 that is causing
> registers to "roll back" to previous values after a context switch.
It probably doesn't matter all too much but which kernel are you running
this on?
Latest and greatest I hope...
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2023-02-22 8:33 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-22 6:40 x86: AMD Zen2 ymm registers rolling back Tavis Ormandy
2023-02-22 8:33 ` Borislav Petkov [this message]
2023-02-22 9:14 ` Borislav Petkov
2023-02-22 9:38 ` Andrew Cooper
2023-02-22 10:09 ` Borislav Petkov
2023-02-22 21:26 ` Tavis Ormandy
2023-02-22 22:17 ` Andrew Cooper
2023-02-22 22:26 ` Borislav Petkov
2023-02-22 22:25 ` Borislav Petkov
2023-02-28 18:47 ` Alexander Monakov
2023-02-28 19:20 ` Borislav Petkov
2023-02-28 19:24 ` Alexander Monakov
2023-02-28 19:25 ` Borislav Petkov
2023-02-28 19:29 ` Alexander Monakov
2023-02-28 19:38 ` Andrew Cooper
2023-02-28 21:45 ` Alexander Monakov
2023-02-28 20:56 ` Borislav Petkov
2023-02-28 21:16 ` Alexander Monakov
2023-03-01 0:23 ` Andrew Cooper
2023-03-01 8:54 ` Borislav Petkov
2023-03-07 16:45 ` Tavis Ormandy
2023-03-07 17:46 ` [PATCH] x86/amd: Work around Erratum 1386 - XSAVES malfunction on context switch Andrew Cooper
2023-03-07 17:50 ` Borislav Petkov
2023-03-07 18:22 ` Andrew Cooper
2023-03-07 18:56 ` Borislav Petkov
2023-03-07 20:01 ` Andrew Cooper
2023-03-07 20:09 ` Borislav Petkov
2023-03-14 16:01 ` Dave Hansen
2023-03-08 16:23 ` [tip: x86/urgent] x86/CPU/AMD: Disable XSAVES on AMD family 0x17 tip-bot2 for Andrew Cooper
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