Re: Waiting for bufdaemon

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.