Date: Wed, 11 Dec 2019 13:05:56 +0200 From: Andriy Gapon <avg@FreeBSD.org> To: FreeBSD Current <freebsd-current@FreeBSD.org> Subject: Re: any scheduler/ipi/wakeup bug fixed in the last year? Message-ID: <2de51e46-449a-6f84-1401-aab53d9aa6b2@FreeBSD.org> In-Reply-To: <7196727c-77bd-8c96-5194-3dcc7277d4bd@FreeBSD.org> References: <7196727c-77bd-8c96-5194-3dcc7277d4bd@FreeBSD.org>
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On 11/12/2019 12:48, Andriy Gapon wrote: > So, if I am not confused, it appears like possibly a notification from a waking > CPU to the woken CPU (CPU3) was never delivered. > Potentially, a problem with cpu_idle_wakeup() ? > > I wonder if there have been any bug fixes in that area over the past year or so. > Any help and pointers are welcome. Hardware: CPU: Intel(R) Xeon(R) CPU E5-2680 v4 @ 2.40GHz (2400.05-MHz K8-class CPU) Origin="GenuineIntel" Id=0x406f1 Family=0x6 Model=0x4f Stepping=1 FreeBSD/SMP: 2 package(s) x 14 core(s) machdep.idle: acpi machdep.idle_available: spin, mwait, hlt, acpi machdep.idle_mwait: 1 -- Andriy Gapon
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