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From: Mark Geisert <mark@maxrnd.com>
To: cygwin-developers@cygwin.com
Subject: Re: load average calculation failing -- fixed by Windows update
Date: Thu, 12 May 2022 01:24:18 -0700	[thread overview]
Message-ID: <77d75d10-cdcb-c041-5abe-f022fc6ec46b@maxrnd.com> (raw)
In-Reply-To: <YnzCk2GEHbYcB+1a@calimero.vinschen.de>

Corinna Vinschen wrote:
> On May 11 16:40, Mark Geisert wrote:
>> Jon Turney wrote:
>>> On 10/05/2022 09:34, Mark Geisert wrote:
>>>> Corinna Vinschen wrote:
>>>>> [redirect back to cygwin-developers]
>>>
>>>>>
>>>>>>> 0x800007D0 == PDH_CSTATUS_NO_MACHINE. The code (at line 68 mentioned
>>>>>
>>>>> This is a weird error.
>>>>>
>>>>>     "The path did not contain a computer name and the function was unable
>>>>>      to retrieve the local computer name."
>>>>>
>>>>> Yeah, sure.
>>>>>
>>>>> Mark, did you try to add the computer name to the path by calling
>>>>> GetComputerName() in load_init?
>>>
>>> As we've seen before, this error also seems to be also used for "not
>>> authorized" problems.
>>>
>>> https://sourceware.org/git/?p=newlib-cygwin.git;a=commitdiff;h=de7f13aa9acec022ad1e4b3f929d4dc982ddf60b
>>
>> Sheesh.  This all seems entirely too complicated.
>>
>> But thankfully, after installing latest Windows patches (from yesterday's MS
>> Patch Tuesday) I find myself on W10 21H2 Build 19044.1706.  Xload, uptime,
>> and Jon's initial PoC code now show good load averages.  I had previously
>> been on Build 19044.1645.
>>
>> The first counter read now gets error 0xC0000BC6 == PDH_INVALID_DATA, but no
>> errors on subsequent counter reads.  This sounds like it now matches what
>> Corinna reported for W11.  I wonder if she's running build 1706 already.
>>
>> It seems to me MS broke PDH or its interfacing for one build, 1645, and
>> fixed it for the next, 1706.  That's all I can surmise from the data we
>> have.
>>
>> I think my work and/or damage here (on this topic) is done.
> 
> You're the luck one then. It still doesn't work for me on W10 21H1
> and W11.

What Windows build(s) are you running?  The 'ver' command inside a Command Prompt 
window is the easiest way to determine.

Also, both my machines were running build 1645 but it was a Windows Home machine 
that had the issue; the Windows Pro machine was fine.  So many variables....

..mark


  reply	other threads:[~2022-05-12  8:24 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.BSF.4.63.2205051618470.42373@m0.truegem.net>
2022-05-08  7:01 ` load average calculation failing Mark Geisert
     [not found]   ` <223aa826-7bf9-281a-aed8-e16349de5b96@dronecode.org.uk>
2022-05-09  8:45     ` Corinna Vinschen
2022-05-09  8:53       ` Corinna Vinschen
2022-05-10  8:34       ` Mark Geisert
2022-05-10 13:37         ` Jon Turney
2022-05-11 23:40           ` load average calculation failing -- fixed by Windows update Mark Geisert
2022-05-12  8:17             ` Corinna Vinschen
2022-05-12  8:24               ` Mark Geisert [this message]
2022-05-12  8:43                 ` Corinna Vinschen
2022-05-12  9:48             ` Corinna Vinschen
2022-05-13 10:34               ` Jon Turney
2022-05-13 11:04                 ` Corinna Vinschen
2022-05-13 11:05                   ` Corinna Vinschen
2022-05-16  5:25                     ` load average calculation imperfections Mark Geisert
2022-05-16 16:49                       ` Jon Turney
2022-05-17  5:39                         ` Mark Geisert
2022-05-17 14:48                     ` load average calculation failing -- fixed by Windows update Jon Turney
2022-05-17 19:48                       ` Mark Geisert
2022-05-09 11:29   ` load average calculation failing Jon Turney
2022-05-10  8:21     ` Mark Geisert

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