X-Recipient:	archive-cygwin AT delorie DOT com
DomainKey-Signature:	a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; q=dns; s=default; b=BFLR6oZqpWU9VZTW
	wXiX8XC5qLJ0Tgl5vO4AP5g765EMWiLN2jzeLJCt0KT02WMKMJPQ8M4tO+smnfAh
	m6RFsA//qY6uB1aQxGzA0YoT0cRuNa7iq4wX5JZogjSXqsLjbnfbiEPLAyubLDbV
	O5raYbaHFxPeqLLScJOm6q3qSdg=
DKIM-Signature:	v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:subject:to:references:from:message-id:date
	:mime-version:in-reply-to:content-type
	:content-transfer-encoding; s=default; bh=T4U+jQDQgaRYRT7p32HJzU
	swo8w=; b=FBWT7V+qsK3WjRV2HdJ4xmRS3kfTZYkSIpiEw3mcay9+BL8XrZBcxm
	yMt+dWtgTTxURcvO55hXRTPmr+xRTrOmxk5B8egMUGs+vK+bH17cray9FylrLSY2
	JLKAmdeNpoC5+0QjakKiSNM1x+NyhvnJSZd8u95U18GNeEwHe5qZ4=
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
Authentication-Results:	sourceware.org; auth=none
X-Virus-Found:	No
X-Spam-SWARE-Status:	No, score=-0.6 required=5.0 tests=BAYES_00,FREEMAIL_FROM,LOTS_OF_MONEY,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=no version=3.3.2 spammy=14942, H*f:sk:d473576, H*f:sk:fb13f38, H*MI:sk:ad9ab02
X-HELO:	forward1h.cmail.yandex.net
Authentication-Results:	smtp1p.mail.yandex.net; dkim=pass header.i=@yandex.ru
X-Yandex-Suid-Status:	1 0
Subject:	Re: Random "child_info_fork::abort:"
To:	cygwin AT cygwin DOT com
References:	<85b945fb-0b5f-e2b3-b899-99176d6e4da2 AT yandex DOT ru> <d879b90e-70b4-2b08-5c5b-3faccd89365b AT SystematicSw DOT ab DOT ca> <d4735765-890e-a34b-93ee-d17b9c102a9d AT yandex DOT ru> <fb13f38f-2d08-d575-f85a-2dead5c56c0b AT yandex DOT ru> <ad9ab025-b9bb-6600-0160-462e4794d270 AT yandex DOT ru>
From:	Evgeny Grin <k2k AT yandex DOT ru>
Openpgp:	id=289FE99E138CF6D473A3F0CFBF7AC4A5EAC2BAF4
Message-ID:	<36c231ad-6795-91e8-5afc-44ea1dfa17f1@yandex.ru>
Date:	Thu, 13 Oct 2016 18:24:09 +0300
User-Agent:	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0
MIME-Version:	1.0
In-Reply-To:	<ad9ab025-b9bb-6600-0160-462e4794d270@yandex.ru>
X-IsSubscribed:	yes

On 13.10.2016 10:11, Evgeny Grin wrote:
> On 12.10.2016 21:45, Evgeny Grin wrote:
>> On 12.10.2016 13:59, Evgeny Grin wrote:
>>> On 12.10.2016 8:59, Brian Inglis wrote:
>>>> On 2016-10-11 15:32, Evgeny Grin wrote:
>>>>> I'm using Windows Insider (slow ring, prerelease). After recent update
>>>>> to build 14931, cygwin keeps randomly fail on fork. This happens not
>>>>> every fork, but frequent enough. Simplest way to trigger it is to run
>>>>> mandb.
>>>>> At variable delay I got something like
>>>>> child_info_fork::abort: T:\cygwin64\bin\cygman-2-7-5.dll: Loaded to
>>>>> different address: parent(0x3FEAB0000) != child(0x1C0000)
>>>>> Dll name and child address may vary.
>>>>> I updated cygwin to latest version, but problem remains.
>>>>> Exactly the same problem with Msys2, but additionally from time to time
>>>>> I got different error:
>>>>> *** fatal error - cygheap base mismatch detected - 0x1802FE408/0x106E408.
>>>>> This problem is probably due to....
>>>>
>>>>> I set variable CYGWIN=detect_bloda, but nothing is detected.
>>>>> What else could I check?
>>>>
>>>> Run rebase -is to check for DLL conflicts.
>>>> After the update did you run "rebase-trigger full" and setup,
>>>> with NO Cygwin processes running, to remap the system DLLs
>>>> and rebase the Cygwin DLLs?
>>>
>>> Done. No conflicts.
>>> Setup run fine, problem is not solved.
>>>
>>> Observation: Cygwin errors appears more often than Msys2 errors.
>>> Even got initial loading on incorrect address:
>>>
>>> child_info_fork::abort: T:\cygwin64\bin\cygman-2-7-5.dll: Loaded to
>>> different address: parent(0x190000) != child(0x3FB700000)
>>>
>>>> It's likely the Insider debug builds dynamically enable/disable
>>>> features and functions or run alternate system DLLs which gather
>>>> info by acting as BLODAs.
>>>> MS can mess around with your systems to enable new stuff (possibly
>>>> in different combinations) and see which systems they cause problems
>>>> on.
>>>> Hopefully they can also dynamically revert new releases causing
>>>> problems.
>>>> Your systems are the canaries for their Continuous Delivery QA.
>>>>
>>>> Make sure you continously back up any work on those systems and
>>>> don't ignore warnings, especially build expiries (you are meant
>>>> to be allowed 3 reboots after expiry before the buildrefuses
>>>> to boot!)
>>>
>>> Thanks!
>>> Not sure that situation is just "test" or "temporary". I'm using
>>> prerelease track so this can go to release.
>>
>> Additionally tested under VM.
>> Clear install of Windows 10 x64 14931 (US English), VM guest tools and
>> Cygwin x64. First run of man-db - same error.
>> Need new workarounds?
>> Seems that will be in all new builds.
> 
> Same happens with new Windows build 14942.
> Both Cygwin and Msys2 is not usable anymore.
> 
> MS is pushing us to "Ubuntu on Windows"?
> 

When trying to actively use cygwin, got same (as in Msys2) errors:

 *** fatal error - cygheap base mismatch detected - 0x180302408/0x1082408.

Is it because of cygwin.dll loaded on incorrect address?

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -