Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-06 Thread Corinna Vinschen
On Dec 4 08:34, Linda Walsh wrote: > Rob van Eijk wrote: > > > >Op 1-12-2015 om 17:40 schreef David Macek: > >>On 1. 12. 2015 15:01, Corinna Vinschen wrote: > >>>If that only happens w/ 64 bit Cygwin started from a 32 bit parent, then > >>>there's some foul-up in the WOW64 layer in terms of starti

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-04 Thread Linda Walsh
Rob van Eijk wrote: Op 1-12-2015 om 17:40 schreef David Macek: On 1. 12. 2015 15:01, Corinna Vinschen wrote: If that only happens w/ 64 bit Cygwin started from a 32 bit parent, then there's some foul-up in the WOW64 layer in terms of starting 64 bit processes, perhaps. Sigh, it's a rather une

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-03 Thread Corinna Vinschen
On Dec 1 19:27, nu774 wrote: > After upgrading to Windows 10 TH2 (ver 1511, build 10586), any attempt > to launch a cygwin64 process from 32bit native app (for example, > C:\windows\syswow64\cmd.exe) *always* results in a fork error. > > To be precise, I can execute 64bit bash.exe from 32bit cmd.

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-03 Thread René Berber
On 12/3/2015 12:56 PM, René Berber wrote: > But I don't know what to make of this: Version 10.0 (build 10240), > perhaps the "1511" is the last 4 digits. Never-mind, Windows update just installed "version 1511, 10586". -- René Berber -- Problem reports: http://cygwin.com/problems.html

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-03 Thread Thomas Wolff
Am 01.12.2015 um 15:01 schrieb Corinna Vinschen: ... If that only happens w/ 64 bit Cygwin started from a 32 bit parent, then there's some foul-up in the WOW64 layer in terms of starting 64 bit processes, perhaps. Sigh, it's a rather unexpected change after it worked fine for so long :( For ref

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-03 Thread René Berber
On 12/3/2015 2:13 AM, David Macek wrote: > I've always used the trusty `winver` for version info. Thanks. But I don't know what to make of this: Version 10.0 (build 10240), perhaps the "1511" is the last 4 digits. -- René Berber -- Problem reports: http://cygwin.com/problems.html FAQ:

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-03 Thread Corinna Vinschen
On Dec 3 00:00, Corinna Vinschen wrote: > On Dec 2 16:43, René Berber wrote: > > On 12/2/2015 4:15 PM, Corinna Vinschen wrote: > > > > > Along these lines, is anybody here still running a 64 bit Windows 10 > > > which has *NOT* been updated to 1511? If so, I just need the output > > > of a call

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-03 Thread David Macek
On 3. 12. 2015 0:00, Corinna Vinschen wrote: > On Dec 2 16:43, René Berber wrote: >> I don't know were you can see the specific Windows version, but AFAIK it >> hasn't been updated recently (the System Info only shows "Windows 10 >> Pro", 64-bit). > > That's oh so funny: The good old system info

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-02 Thread Corinna Vinschen
On Dec 2 16:43, René Berber wrote: > On 12/2/2015 4:15 PM, Corinna Vinschen wrote: > > > Along these lines, is anybody here still running a 64 bit Windows 10 > > which has *NOT* been updated to 1511? If so, I just need the output > > of a call to `cat /proc/self/maps' once for comparison. > > U

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-02 Thread René Berber
On 12/2/2015 4:15 PM, Corinna Vinschen wrote: > Along these lines, is anybody here still running a 64 bit Windows 10 > which has *NOT* been updated to 1511? If so, I just need the output > of a call to `cat /proc/self/maps' once for comparison. Under 64-bit Cygwin: $ cat /proc/self/maps 0001000

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-02 Thread Corinna Vinschen
On Dec 1 22:44, David Macek wrote: > On 1. 12. 2015 18:40, David Macek wrote: > > On 1. 12. 2015 15:01, Corinna Vinschen wrote: > >> On Dec 1 21:07, nu774 wrote: > There must be a bug in the new CMD somewhere. But, anyway, I'll look > into it when I finally managed to update my W10 tes

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-01 Thread David Macek
On 1. 12. 2015 18:40, David Macek wrote: > On 1. 12. 2015 15:01, Corinna Vinschen wrote: >> On Dec 1 21:07, nu774 wrote: There must be a bug in the new CMD somewhere. But, anyway, I'll look into it when I finally managed to update my W10 test machine. >>> >>> No, cmd.exe is just an exam

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-01 Thread Rob van Eijk
Op 1-12-2015 om 17:40 schreef David Macek: > On 1. 12. 2015 15:01, Corinna Vinschen wrote: >> On Dec 1 21:07, nu774 wrote: There must be a bug in the new CMD somewhere. But, anyway, I'll look into it when I finally managed to update my W10 test machine. >>> >>> No, cmd.exe is just an

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-01 Thread David Macek
On 1. 12. 2015 15:01, Corinna Vinschen wrote: > On Dec 1 21:07, nu774 wrote: >>> There must be a bug in the new CMD somewhere. But, anyway, I'll look >>> into it when I finally managed to update my W10 test machine. >> >> No, cmd.exe is just an example. Any 32bit process can be an trigger. >> I g

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-01 Thread Corinna Vinschen
On Dec 1 21:07, nu774 wrote: > >There must be a bug in the new CMD somewhere. But, anyway, I'll look > >into it when I finally managed to update my W10 test machine. > > No, cmd.exe is just an example. Any 32bit process can be an trigger. > I guess something has changed in TH2 kernel regarding p

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-01 Thread nu774
There must be a bug in the new CMD somewhere. But, anyway, I'll look into it when I finally managed to update my W10 test machine. No, cmd.exe is just an example. Any 32bit process can be an trigger. I guess something has changed in TH2 kernel regarding process memory management or something t

Re: fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-01 Thread Corinna Vinschen
On Dec 1 19:27, nu774 wrote: > After upgrading to Windows 10 TH2 (ver 1511, build 10586), any attempt > to launch a cygwin64 process from 32bit native app (for example, > C:\windows\syswow64\cmd.exe) *always* results in a fork error. > > To be precise, I can execute 64bit bash.exe from 32bit cmd.

fork issue when lauching cygwin64 process from 32bit native app on Windows 10 TH2

2015-12-01 Thread nu774
After upgrading to Windows 10 TH2 (ver 1511, build 10586), any attempt to launch a cygwin64 process from 32bit native app (for example, C:\windows\syswow64\cmd.exe) *always* results in a fork error. To be precise, I can execute 64bit bash.exe from 32bit cmd.exe. However, this bash process never su