* Scrollback buffer broken with snapshot
@ 2014-01-31 2:44 Steven Penny
2014-01-31 2:57 ` Steven Penny
0 siblings, 1 reply; 12+ messages in thread
From: Steven Penny @ 2014-01-31 2:44 UTC (permalink / raw)
To: cygwin
Normally if you run this command
printf '\ec'
it will clear the screen and scrollback buffer
http://stackoverflow.com/a/5367075
However using this snapshot
http://cygwin.com/snapshots/x86_64/cygwin1-20140128.dll.xz
it now only clears the screen
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* Re: Scrollback buffer broken with snapshot
2014-01-31 2:44 Scrollback buffer broken with snapshot Steven Penny
@ 2014-01-31 2:57 ` Steven Penny
2014-01-31 5:29 ` Marco Atzeri
2014-02-01 9:01 ` Marco Atzeri
0 siblings, 2 replies; 12+ messages in thread
From: Steven Penny @ 2014-01-31 2:57 UTC (permalink / raw)
To: cygwin
On Thu, Jan 30, 2014 at 8:44 PM, Steven Penny wrote
> However using this snapshot
> http://cygwin.com/snapshots/x86_64/cygwin1-20140128.dll.xz
>
> it now only clears the screen
More info
cygwin1-20140128.dll.xz BAD
cygwin1-20140124.dll.xz BAD
cygwin1-20140118.dll.xz BAD
cygwin1-20140117.dll.xz BAD
cygwin1-20140108.dll.xz BAD
cygwin1-20140105.dll.xz BAD
cygwin1-20131231.dll.xz GOOD
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* Re: Scrollback buffer broken with snapshot
2014-01-31 2:57 ` Steven Penny
@ 2014-01-31 5:29 ` Marco Atzeri
2014-01-31 12:26 ` Steven Penny
2014-02-01 9:01 ` Marco Atzeri
1 sibling, 1 reply; 12+ messages in thread
From: Marco Atzeri @ 2014-01-31 5:29 UTC (permalink / raw)
To: cygwin
On 31/01/2014 03:57, Steven Penny wrote:
> On Thu, Jan 30, 2014 at 8:44 PM, Steven Penny wrote
>> However using this snapshot
>> http://cygwin.com/snapshots/x86_64/cygwin1-20140128.dll.xz
>>
>> it now only clears the screen
>
> More info
>
> cygwin1-20140128.dll.xz BAD
> cygwin1-20140124.dll.xz BAD
> cygwin1-20140118.dll.xz BAD
> cygwin1-20140117.dll.xz BAD
> cygwin1-20140108.dll.xz BAD
> cygwin1-20140105.dll.xz BAD
> cygwin1-20131231.dll.xz GOOD
>
> --
20140128 seems to work on my system.
printf '\ec' clear everything and the
scroll bar disappears
so what about a full:
Problem reports: http://cygwin.com/problems.html
with an example of how you see the failure ?
Regards
Marco
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* Re: Scrollback buffer broken with snapshot
2014-01-31 5:29 ` Marco Atzeri
@ 2014-01-31 12:26 ` Steven Penny
2014-01-31 13:26 ` Marco Atzeri
0 siblings, 1 reply; 12+ messages in thread
From: Steven Penny @ 2014-01-31 12:26 UTC (permalink / raw)
To: cygwin
On Thu, Jan 30, 2014 at 11:29 PM, Marco Atzeri wrote
> 20140128 seems to work on my system.
> printf '\ec' clear everything and the
> scroll bar disappears
Yeah it works with "mintty", but not with "Cygwin.bat"
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* Re: Scrollback buffer broken with snapshot
2014-01-31 12:26 ` Steven Penny
@ 2014-01-31 13:26 ` Marco Atzeri
2014-01-31 14:05 ` Andrey Repin
` (2 more replies)
0 siblings, 3 replies; 12+ messages in thread
From: Marco Atzeri @ 2014-01-31 13:26 UTC (permalink / raw)
To: cygwin
On 31/01/2014 13:26, Steven Penny wrote:
> On Thu, Jan 30, 2014 at 11:29 PM, Marco Atzeri wrote
>> 20140128 seems to work on my system.
>> printf '\ec' clear everything and the
>> scroll bar disappears
>
> Yeah it works with "mintty", but not with "Cygwin.bat"
>
1) there is not anymore a cygwin.bat
http://cygwin.com/cgi-bin2/package-grep.cgi?grep=Cygwin.bat&arch=x86
2) mintty is always better them CMD. IMHO
;-)
Regards
Marco
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* Re: Scrollback buffer broken with snapshot
2014-01-31 13:26 ` Marco Atzeri
@ 2014-01-31 14:05 ` Andrey Repin
2014-01-31 17:13 ` Ken
2014-02-01 0:09 ` Steven Penny
2 siblings, 0 replies; 12+ messages in thread
From: Andrey Repin @ 2014-01-31 14:05 UTC (permalink / raw)
To: Marco Atzeri, cygwin
Greetings, Marco Atzeri!
>>> 20140128 seems to work on my system.
>>> printf '\ec' clear everything and the
>>> scroll bar disappears
>>
>> Yeah it works with "mintty", but not with "Cygwin.bat"
>>
> 1) there is not anymore a cygwin.bat
> http://cygwin.com/cgi-bin2/package-grep.cgi?grep=Cygwin.bat&arch=x86
This is, of course, right, but...
> 2) mintty is always better them CMD. IMHO
> ;-)
...is only your opinion...
@Steven, there was changes to console buffer handling, this is probably a
side-effect of them.
--
WBR,
Andrey Repin (anrdaemon@yandex.ru) 31.01.2014, <18:01>
Sorry for my terrible english...
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* Re: Scrollback buffer broken with snapshot
2014-01-31 13:26 ` Marco Atzeri
2014-01-31 14:05 ` Andrey Repin
@ 2014-01-31 17:13 ` Ken
2014-02-01 0:09 ` Steven Penny
2 siblings, 0 replies; 12+ messages in thread
From: Ken @ 2014-01-31 17:13 UTC (permalink / raw)
To: cygwin
Marco Atzeri wrote:
>
> 1) there is not anymore a cygwin.bat
> http://cygwin.com/cgi-bin2/package-grep.cgi?grep=Cygwin.bat&arch=x86
>
>
Actually, while you will not find it in any package
search, and it is no longer a Start Menu item,
"Cygwin.bat" is still created in the root (/) of the
installation directory by setup*.exe. Specifically,
via the routines included in desktop.cc of setup's source.
Perhaps this leads to some of the confusion or
expectations with regard to its acceptable use.
Kind regards,
Ken
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* Re: Scrollback buffer broken with snapshot
2014-01-31 13:26 ` Marco Atzeri
2014-01-31 14:05 ` Andrey Repin
2014-01-31 17:13 ` Ken
@ 2014-02-01 0:09 ` Steven Penny
2014-02-01 5:50 ` Andrey Repin
2 siblings, 1 reply; 12+ messages in thread
From: Steven Penny @ 2014-02-01 0:09 UTC (permalink / raw)
To: cygwin
On Fri, Jan 31, 2014 at 7:26 AM, Marco Atzeri wrote
> 2) mintty is always better them CMD. IMHO
I shouldnt have to use "mintty" just to get back functionality that has existed
with Cygwin Bash itself for years, not to mention even the most basic Linux
Terminals.
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* Re: Scrollback buffer broken with snapshot
2014-02-01 0:09 ` Steven Penny
@ 2014-02-01 5:50 ` Andrey Repin
2014-02-01 7:16 ` Steven Penny
0 siblings, 1 reply; 12+ messages in thread
From: Andrey Repin @ 2014-02-01 5:50 UTC (permalink / raw)
To: Steven Penny, cygwin
Greetings, Steven Penny!
> On Fri, Jan 31, 2014 at 7:26 AM, Marco Atzeri wrote
>> 2) mintty is always better them CMD. IMHO
> I shouldnt have to use "mintty" just to get back functionality that has existed
> with Cygwin Bash itself for years, not to mention even the most basic Linux
> Terminals.
You're comparing apples and oranges.
mintty is a "basic Linux terminal", native NT console is... meh...
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WBR,
Andrey Repin (anrdaemon@yandex.ru) 01.02.2014, <09:39>
Sorry for my terrible english...
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* Re: Scrollback buffer broken with snapshot
2014-01-31 2:57 ` Steven Penny
2014-01-31 5:29 ` Marco Atzeri
@ 2014-02-01 9:01 ` Marco Atzeri
2014-02-01 15:11 ` Steven Penny
1 sibling, 1 reply; 12+ messages in thread
From: Marco Atzeri @ 2014-02-01 9:01 UTC (permalink / raw)
To: cygwin
On 31/01/2014 03:57, Steven Penny wrote:
> On Thu, Jan 30, 2014 at 8:44 PM, Steven Penny wrote
>> However using this snapshot
>> http://cygwin.com/snapshots/x86_64/cygwin1-20140128.dll.xz
>>
>> it now only clears the screen
>
> More info
>
> cygwin1-20140128.dll.xz BAD
> cygwin1-20140124.dll.xz BAD
> cygwin1-20140118.dll.xz BAD
> cygwin1-20140117.dll.xz BAD
> cygwin1-20140108.dll.xz BAD
> cygwin1-20140105.dll.xz BAD
> cygwin1-20131231.dll.xz GOOD
>
> --
looking at the timing, it is possible that the regression
is coming from this change
http://cygwin.com/ml/cygwin-cvs/2014-q1/msg00000.html
I am not an expert in this area but on
https://sourceware.org/cgi-bin/cvsweb.cgi/src/winsup/cygwin/fhandler_console.cc.diff?cvsroot=src&r1=1.283&r2=1.284
Is see that a specific workaround was disabled
--------------------------------------------------------------
+#if 0 /* CGF: 2014-01-04 Assuming that we don't need this anymore */
/* ScrollConsoleScreenBuffer on Windows 95 is buggy - when scroll
distance
* is more than half of screen, filling doesn't work as expected */
--------------------------------------------------------------
re-enabling it and testing should be easy, could you make by yourself ?
Marco
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end of thread, other threads:[~2014-02-01 15:11 UTC | newest]
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2014-01-31 2:44 Scrollback buffer broken with snapshot Steven Penny
2014-01-31 2:57 ` Steven Penny
2014-01-31 5:29 ` Marco Atzeri
2014-01-31 12:26 ` Steven Penny
2014-01-31 13:26 ` Marco Atzeri
2014-01-31 14:05 ` Andrey Repin
2014-01-31 17:13 ` Ken
2014-02-01 0:09 ` Steven Penny
2014-02-01 5:50 ` Andrey Repin
2014-02-01 7:16 ` Steven Penny
2014-02-01 9:01 ` Marco Atzeri
2014-02-01 15:11 ` Steven Penny
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