Date: Wed, 30 Jun 2021 17:38:56 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 256781] EC2 Nitro: TSC-low timecounter lags Message-ID: <bug-256781-27103-BRwIAeR9W2@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-256781-27103@https.bugs.freebsd.org/bugzilla/> References: <bug-256781-27103@https.bugs.freebsd.org/bugzilla/>
next in thread | previous in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256781 Roger Pau Monn=C3=A9 <royger@freebsd.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |royger@freebsd.org --- Comment #19 from Roger Pau Monn=C3=A9 <royger@freebsd.org> --- Can you try to set kern.timecounter.smp_tsc_adjust=3D1 when using TSC-low a= nd see if that makes a difference? So this system reports invariant TSC, but the TSCs are not synchronized acr= oss CPUs? --=20 You are receiving this mail because: You are the assignee for the bug.=
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-256781-27103-BRwIAeR9W2>