Date: Wed, 20 Jan 2021 09:42:28 -0500 From: Mark Johnston <markj@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: rhurlin@freebsd.org, freebsd-current <freebsd-current@freebsd.org> Subject: Re: Waiting for bufdaemon Message-ID: <YAhBVL6cL0BHB8Dp@raichu> In-Reply-To: <YAgsO3AoB5PFhzDq@kib.kiev.ua> References: <9ae3cc65-193a-39c3-4067-0d42e9f634b0@gwdg.de> <YAO9/cxnbGv5u3Bg@kib.kiev.ua> <adb9d42c-d855-1edf-a57c-9b16aad481b7@gwdg.de> <YAQINMoEi7ysBSD5@kib.kiev.ua> <1d675d77-8bdb-c285-ffa2-28330b839734@alvermark.net> <YAgDhJ9/YX29kH2a@kib.kiev.ua> <60599f75-7206-9269-ac0c-934f8f31ae26@gwdg.de> <YAgjOYdVG%2BN4lU0n@kib.kiev.ua> <d25a7608-9e61-0ece-9500-d4a80e79068e@gwdg.de> <YAgsO3AoB5PFhzDq@kib.kiev.ua>
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On Wed, Jan 20, 2021 at 03:12:27PM +0200, Konstantin Belousov wrote: > On Wed, Jan 20, 2021 at 01:56:57PM +0100, Rainer Hurling wrote: > > Am 20.01.21 um 13:34 schrieb Konstantin Belousov: > > > On Wed, Jan 20, 2021 at 01:17:51PM +0100, Rainer Hurling wrote: > > >> Am 20.01.21 um 11:18 schrieb Konstantin Belousov: > > >>> On Wed, Jan 20, 2021 at 11:02:21AM +0100, Jakob Alvermark wrote: > > >>>> This patch hides the problem for me. The system seems to work better now. > > >>>> > > >>>> No waiting on reboot, and the webcam works better. > > >>> I am curious what do you mean by the above reference to webcam. > > >>> Can you explain it with more details, even if only the impressions? > > >> > > >> I should mention, that beside the already discussed timing problem with > > >> bufdaemon, I also have problems with several apps: > > >> > > >> > > >> After a high system load, several programs only react very slowly (e.g. > > >> Firefox). Several dockable apps from WindowMaker, but also e.g. conky do > > >> not update their windows anymore, they freeze. After some time, Firefox > > >> updates its screen content only after switching back from another window ... > > >> > > >> When such frozen programs are killed and restarted, they run normally > > >> again for an indefinite time before they freeze again. > > >> > > >> These symptoms completely disappeared, after I patched the Ryzen box as > > >> suggested on 01/17: > > > > > > Do you load latest microcode update from devcpu-data? > > > > Yes, sysutils/devcpu-data is installed and the following to lines are in > > /boot/loader.conf > > > > cpu_microcode_load="YES" > > cpu_microcode_name="/boot/firmware/intel-ucode.bin" > > > > But isn't this just for Intel (i387 and amd64), not AMD cpus? > You need microcode_update_enable="YES" in /etc/rc.conf for late microcode > update. > > I think that early boot update should work on AMD, bit for this you need to > select and put right blob. It is enough to load late to answer my question. The early microcode loader still doesn't support AMD. I did not do it for lack of a test system at the time.
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