Date: Tue, 11 Jan 2022 12:28:01 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= <roger.pau@citrix.com> Cc: xen@freebsd.org Subject: Re: VCPUOP_send_nmi returns -38 Message-ID: <787faaf6-c639-0f6a-1a16-c4fb7a5506e5@FreeBSD.org> In-Reply-To: <Yd1bR6mSAjL6VMYD@Air-de-Roger> References: <3f9f173b-40b9-0180-404d-52fa56dde45f@FreeBSD.org> <a27fb9ea-1078-fbbd-3dd9-9ce60de08c22@FreeBSD.org> <Yd1bR6mSAjL6VMYD@Air-de-Roger>
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On 11/01/2022 12:26, Roger Pau Monné wrote: > On Tue, Jan 11, 2022 at 12:07:28PM +0200, Andriy Gapon wrote: >> On 11/01/2022 11:50, Andriy Gapon wrote: >>> >>> Recently I got a report of crashes related to using procstat -k on one >>> of our systems. The system runs FreeBSD 12.2 on an AWS Xen-based >>> instance (can get more specifics about it later). >> >> The instance type is t2.large. >> Here are all lines from verbose boot that mention Xen: >> >> XEN: Hypervisor version 4.2 detected. >> Disabling MSI-X interrupt migration due to Xen hypervisor bug. >> XEN: disabling emulated disks >> XEN: disabling emulated nics >> Hypervisor: Origin = "XenVMMXenVMM" >> x2APIC available but disabled due to running under XEN > > Thanks. I've asked someone at AWS for comments. I guess the only way > to workaround this is to switch back to using the emulated APIC. I > will try to prepare a patch later. Thank you very much! -- Andriy Gapon
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