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Re: gdb pty problem [Was: emacs gud-interface is not updated after gdb command execution (maybe because of incomplete output from gdb)]
- From: Ken Brown <kbrown at cornell dot edu>
- To: cygwin at cygwin dot com
- Date: Wed, 1 Jun 2016 11:22:25 -0400
- Subject: Re: gdb pty problem [Was: emacs gud-interface is not updated after gdb command execution (maybe because of incomplete output from gdb)]
- Authentication-results: sourceware.org; auth=none
- References: <466943424 dot 37628 dot 394d161a-7219-415d-a659-0f774811ad2d dot open-xchange at email dot 1und1 dot de> <44459aa0-4381-2368-ab63-5dffc26f3344 at cornell dot edu> <e29d08b0-aaed-46ea-a4eb-960b1e462692 at cornell dot edu> <a50d8bef-cc9b-3b35-8812-b26360591662 at cornell dot edu> <20160531094115 dot GE24015 at calimero dot vinschen dot de> <34c9cf10-4930-a017-92fc-fd56171671b1 at cornell dot edu> <9403d1d8-21d1-bf7e-dddc-d77b42e4795d at cornell dot edu> <20160601142804 dot GG11431 at calimero dot vinschen dot de> <aad3bfc2-c6a5-3299-2e66-90892286753b at cornell dot edu>
On 6/1/2016 10:33 AM, Ken Brown wrote:
On 6/1/2016 10:28 AM, Corinna Vinschen wrote:
On Jun 1 09:02, Ken Brown wrote:
On 6/1/2016 8:51 AM, Ken Brown wrote:
On 5/31/2016 5:41 AM, Corinna Vinschen wrote:
Any chance you could bisect Cygwin to help finding the culprit?
The culprit is
Author: Takashi Yano <email@example.com>
Date: Fri Apr 3 13:07:35 2015 +0900
Cygwin hangs up if several keys are typed during outputting a lot of
* fhandler_tty.cc (fhandler_pty_slave::read): Change
"readlen" not to use "bytes_in_pipe" value directly.
Reverting that commit fixes the problem.
Unfortunately, all kinds of other things break. For example, emacs
immediately, ls produces no output,....
Are you sure? I just tried it myself and ls as well as emacs work
fine for me.
It works for me now too. I must have done something wrong the first
time I tried.
And this also fixes the original problem in emacs that started the thread:
Problem reports: http://cygwin.com/problems.html
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