From: Ken Brown <kbrown@cornell.edu>
To: cygwin@cygwin.com
Subject: Re: mmap failure [was: cygrunsrv + sshd + rsync = 20 times too slow -- throttled?]
Date: Mon, 6 Sep 2021 13:38:47 -0400 [thread overview]
Message-ID: <33ae27cb-4e45-7484-40d1-6cbd88c958f1@cornell.edu> (raw)
In-Reply-To: <d3c9bb17-b859-e7b1-d7e6-c421d0f37836@cornell.edu>
On 9/6/2021 1:12 PM, Ken Brown via Cygwin wrote:
> On 9/6/2021 11:32 AM, Corinna Vinschen via Cygwin wrote:
>> On Sep 5 09:24, Ken Brown via Cygwin wrote:
>>> On 9/4/2021 8:04 PM, Ken Brown via Cygwin wrote:
>>>> On 9/4/2021 6:58 PM, Ken Brown via Cygwin wrote:
>>>>> Here are the correct commits:
>>>>>
>>>>> 8169e39ab Cygwin: C++17: register keyword is deprecated
>>>>> 3ca80b360 Cygwin: dumper: fix up GCC pragma for g++ 11.2
>>>>> bdb7991db Cygwin: workaround a g++ 11.2 initialization bug
>>>>> 801120c1f Cygwin: loader script: add DWARF 5 sections
>>>>> d5cc66426 Cygwin: testsuite: avoid "conflicting types" gcc warning
>>>>> c2fe205b5 strstr: avoid warnings
>>>>> 76c2c7a89 ldexp/ldexpf: avoid assembler warning
>>>>> eeeb5650c Cygwin: fix declaration of RtlInitEmptyUnicodeString
>>>>>
>>>>>>
>>>>>>> So there appears to be something wrong with cygwin1.dll
>>>>>>> built with the current build tools (gcc 11.2.0, binutils
>>>>>>> 2.37, not sure what else is relevant).
>>>>
>>>> Wait a minute...I'll bet this is related to the MEM_EXTENDED_PARAMETER
>>>> initialization problem that was dealt with in commit bdb7991db.
>>>
>>> More data: When I run the test case under gdb, it succeeds. When I run it
>>> under strace, I see VirtualAlloc2 in fhandler_dev_zero::mmap failing with
>>> windows error 87.
>>
>> Are the const's I added to the MEM_EXTENDED_PARAMETER data invalid,
>> perhaps?
>
> I tried removing them, and I got the same error. I also tried removing static,
> and I tried removing both static and const.
BTW, when I reported that the test case succeeds under gdb, that only happens
when I build the test case without optimization. If I build with -O2, it fails
under gdb also. [In all my tests, I built cygwin1.dll without optimization.]
This makes no sense to me at all.
Ken
next prev parent reply other threads:[~2021-09-06 17:38 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-24 19:49 cygrunsrv + sshd + rsync = 20 times too slow -- throttled? Chris Roehrig
2021-08-24 23:43 ` Mark Geisert
2021-08-25 0:35 ` Chris Roehrig
2021-08-25 2:12 ` Chris Roehrig
2021-08-25 2:02 ` NightStrike
2021-08-25 3:20 ` Mark Geisert
2021-08-25 17:24 ` Chris Roehrig
2021-08-25 11:18 ` Takashi Yano
2021-08-25 17:31 ` Chris Roehrig
2021-08-25 17:52 ` Ken Brown
2021-08-25 18:18 ` Chris Roehrig
2021-08-25 18:51 ` Chris Roehrig
2021-08-26 15:44 ` Ken Brown
2021-08-25 20:33 ` Mario Emmenlauer
2021-08-26 15:47 ` Ken Brown
2021-08-25 21:29 ` Takashi Yano
2021-08-26 15:56 ` Ken Brown
2021-08-26 22:18 ` Ken Brown
2021-08-27 11:24 ` Takashi Yano
2021-08-27 16:00 ` Ken Brown
2021-08-27 17:21 ` Takashi Yano
2021-08-28 2:00 ` Takashi Yano
2021-08-28 3:03 ` Takashi Yano
2021-08-28 8:43 ` Corinna Vinschen
2021-08-28 9:41 ` Takashi Yano
2021-08-28 11:58 ` Corinna Vinschen
2021-08-28 15:43 ` Takashi Yano
2021-08-28 20:55 ` Ken Brown
2021-08-29 8:41 ` Takashi Yano
2021-08-29 22:42 ` Ken Brown
2021-08-29 10:27 ` Corinna Vinschen
2021-08-29 9:07 ` Takashi Yano
2021-08-29 15:57 ` Ken Brown
2021-08-29 19:24 ` Chris Roehrig
2021-08-29 22:24 ` Ken Brown
2021-08-30 23:58 ` Chris Roehrig
2021-08-31 19:05 ` Ken Brown
2021-08-31 19:53 ` Chris Roehrig
2021-08-31 20:23 ` Chris Roehrig
2021-08-31 21:29 ` Brian Inglis
2021-09-01 21:11 ` Chris Roehrig
2021-09-02 15:25 ` Ken Brown
2021-09-02 19:03 ` Chris Roehrig
2021-09-03 17:26 ` Ken Brown
2021-09-03 19:55 ` Corinna Vinschen
2021-09-03 20:59 ` Chris Roehrig
2021-09-04 8:32 ` Achim Gratz
2021-09-04 16:45 ` Brian Inglis
2021-09-05 8:18 ` Achim Gratz
2021-09-05 15:11 ` Brian Inglis
2021-09-06 10:42 ` Achim Gratz
2021-09-04 22:37 ` mmap failure [was: cygrunsrv + sshd + rsync = 20 times too slow -- throttled?] Ken Brown
2021-09-04 22:54 ` Ken Brown
2021-09-04 22:58 ` Ken Brown
2021-09-05 0:04 ` Ken Brown
2021-09-05 13:24 ` Ken Brown
2021-09-06 15:32 ` Corinna Vinschen
2021-09-06 17:12 ` Ken Brown
2021-09-06 17:38 ` Ken Brown [this message]
2021-09-06 17:43 ` Eliot Moss
2021-09-06 17:59 ` Corinna Vinschen
2021-09-06 18:07 ` Corinna Vinschen
2021-09-06 18:40 ` Ken Brown
2021-09-06 20:52 ` Peter Dons Tychsen
2021-09-06 20:54 ` Peter Dons Tychsen
2021-09-06 21:24 ` Ken Brown
2021-09-06 21:31 ` Ken Brown
2021-09-07 3:34 ` Brian Inglis
2021-09-07 16:28 ` Ken Brown
2021-09-07 21:52 ` Lavrentiev, Anton (NIH/NLM/NCBI) [C]
2021-09-07 22:44 ` Ken Brown
2021-09-08 6:14 ` Sam Edge
2021-09-08 8:18 ` Corinna Vinschen
2021-09-07 21:41 ` Peter Dons Tychsen
2021-09-04 23:18 ` Brian Inglis
2021-08-29 19:37 ` cygrunsrv + sshd + rsync = 20 times too slow -- throttled? Takashi Yano
2021-08-29 21:09 ` Ken Brown
2021-08-29 21:04 ` Ken Brown
2021-08-30 0:13 ` Takashi Yano
2021-08-30 0:22 ` Takashi Yano
2021-08-30 2:15 ` Ken Brown
2021-08-30 8:02 ` Takashi Yano
2021-08-28 15:17 ` Ken Brown
2021-09-16 22:00 ` Keith Christian
2021-09-16 22:48 ` Ken Brown
2021-09-16 22:58 ` Keith Christian
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