Date: Wed, 20 Jan 2021 14:35:59 +0100 From: Rainer Hurling <rhurlin@gwdg.de> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Waiting for bufdaemon Message-ID: <3885bc2a-3924-cc3f-6cad-99dc6f803b0d@gwdg.de> In-Reply-To: <YAgsO3AoB5PFhzDq@kib.kiev.ua> References: <ed52f8c1-5f43-b71e-1d56-625e2e064a7e@gwdg.de> <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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Am 20.01.21 um 14:12 schrieb Konstantin Belousov: > 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. Ah, ok. Thanks for clarification. I also put cpu_microcode_load="YES" in /etc/rc.conf for a late update. Should I try again without your patch of sys/x86/tsc.c, whether the problem still occurs? And for the early boot update, how do I know about the right blob? > >> >>> It might be not enough, which means that additionally latest BIOS needs >>> to be flushed. >>> >> >> I am running latest Firmware F31 on a "Gigabyte\ Aorus\ X570\ Elite" >> mainboard.
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