From: Olaf Hering <olaf@aepfle.de>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: <xen-devel@lists.xenproject.org>
Subject: Re: regression in recent pvops kernels, dom0 crashes early
Date: Thu, 13 May 2021 14:29:38 +0200 [thread overview]
Message-ID: <20210513142938.72320118.olaf@aepfle.de> (raw)
In-Reply-To: <378acbb3-7bb0-6512-2e68-0a6999926811@citrix.com>
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Am Thu, 13 May 2021 13:11:10 +0100
schrieb Andrew Cooper <andrew.cooper3@citrix.com>:
> If I'm counting bits correctly, that is Xen rejecting the use of the NX
> bit, which is suspicious.
I tried 'dom0=pvh,debug':
...
(XEN) mcheck_poll: Machine check polling timer started.
(XEN) Running stub recovery selftests...
(XEN) Fixup #UD[0000]: ffff82d07fffe040 [ffff82d07fffe040] -> ffff82d040394a17
(XEN) Fixup #GP[0000]: ffff82d07fffe041 [ffff82d07fffe041] -> ffff82d040394a17
(XEN) Fixup #SS[0000]: ffff82d07fffe040 [ffff82d07fffe040] -> ffff82d040394a17
(XEN) Fixup #BP[0000]: ffff82d07fffe041 [ffff82d07fffe041] -> ffff82d040394a17
(XEN) HPET: 0 timers usable for broadcast (3 total)
(XEN) Warning: NX (Execute Disable) protection not active
(XEN) Dom0 has maximum 864 PIRQs
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) Presently, iommu must be enabled for PVH hardware domain
(XEN) ****************************************
...
The other logs have:
(XEN) Warning: NX (Execute Disable) protection not active
Olaf
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next prev parent reply other threads:[~2021-05-13 12:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-13 10:24 regression in recent pvops kernels, dom0 crashes early Olaf Hering
2021-05-13 12:11 ` Andrew Cooper
2021-05-13 12:22 ` Olaf Hering
2021-05-13 12:29 ` Andrew Cooper
2021-05-13 12:31 ` Olaf Hering
2021-05-13 13:00 ` Olaf Hering
2021-05-13 13:09 ` Andrew Cooper
2021-05-13 12:29 ` Olaf Hering [this message]
2021-05-17 10:54 ` Jan Beulich
2021-05-19 18:42 ` Olaf Hering
2021-05-20 7:03 ` Jan Beulich
2021-05-20 7:45 ` Olaf Hering
2021-05-20 9:42 ` Olaf Hering
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