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"?

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