Date: Wed, 20 Jan 2021 11:02:21 +0100 From: Jakob Alvermark <jakob@alvermark.net> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Waiting for bufdaemon Message-ID: <1d675d77-8bdb-c285-ffa2-28330b839734@alvermark.net> In-Reply-To: <YAQINMoEi7ysBSD5@kib.kiev.ua> References: <7c4da243-52ff-c5ee-3d56-1ae651286e0e@alvermark.net> <369b3d82-98c5-b31e-6168-4003a042f174@FreeBSD.org> <YAGua8f8G57SbUMT@kib.kiev.ua> <556d40b8-92d7-303e-7d87-ea496d0ca733@FreeBSD.org> <YAG4g7dJbRWM7act@kib.kiev.ua> <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>
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On 1/17/21 10:49 AM, Konstantin Belousov wrote:
> On Sun, Jan 17, 2021 at 10:37:18AM +0100, Rainer Hurling wrote:
>> Am 17.01.21 um 05:33 schrieb Konstantin Belousov:
>>> On Sat, Jan 16, 2021 at 07:41:01PM +0100, Rainer Hurling wrote:
>>>> During another shutdown after heavy usage of the box, the following
>>>> messages were also seen:
>>>>
>>>>
>>>> [...]
>>>> Syncing disks, vnodes remaining... 22 EFI rt_settime call faulted, error 14
>>>> efirtc0: CLOCK_SETTIME error 14
>>> This means that BIOS code faulted during RTC settime call. I doubt that
>>> it is related.
>>>
>>> On the other hand, it is good that the onfault EFI RT code got tested finally.
>>>
>> Thanks for clarification :)
>>
>>
>> Any chance of getting a fix for the AMD CPUs in the foreseeable future?
>>
>> Or should I revert commit 9e680e4005b7 on affected boxes until further
>> notice (as a workaround)?
> I am working on it, no ETA.
>
> Interesting point would be to check on machines of other testers,
> if the following hides the problem.
>
> diff --git a/sys/x86/x86/tsc.c b/sys/x86/x86/tsc.c
> index 85924df98312..5700a8ca98e5 100644
> --- a/sys/x86/x86/tsc.c
> +++ b/sys/x86/x86/tsc.c
> @@ -639,7 +639,7 @@ init_TSC_tc(void)
> * on Intel, and MFENCE;RDTSC on AMD.
> * - For really old CPUs, just use RDTSC.
> */
> - if ((cpu_vendor_id == CPU_VENDOR_AMD ||
> + if (false && (cpu_vendor_id == CPU_VENDOR_AMD ||
> cpu_vendor_id == CPU_VENDOR_HYGON) &&
> CPUID_TO_FAMILY(cpu_id) >= 0x17) {
> tsc_timecounter.tc_get_timecount = shift > 0 ?
This patch hides the problem for me. The system seems to work better now.
No waiting on reboot, and the webcam works better.
Jakob
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