On Thu, 22 Dec 2022 18:17:28 +0900 Takashi Yano wrote: > On Wed, 21 Dec 2022 21:30:35 +0000 > Adam Dinwoodie wrote: > > On Wed, 21 Dec 2022 at 16:08, Gregory Mason via Cygwin wrote: > > > > > > Hello Cygwin volunteers, > > > > > > I was asked to forward this bug report from the git-for-windows bug > > > report: https://github.com/git-for-windows/git/issues/4060 > > > Original bug report from garretwilson > > > > > > > Find a Git repository with a long commit history. > > > > Enter `git log` > > > > Git will show the log history and wait for you to page through the > > > > history or hit q to exit. > > > > Press Win+Left-Arrow to snap the window to the left side of the screen. > > > > The window is now hung. Nothing can be typed to get it un-hung. Typing > > > > q does nothing. Typing Ctrl+C does nothing. Typing <Enter> does > > > > nothing. > The only way out of this is to close the terminal window and > > > > start a new Command Prompt or PowerShell session. > > > > > > > > I've reproduced this with Command Line and with PowerShell 7.2.6. > > > > > > I am also experiencing this issue with the following setup: > > > CYGWIN_NT-10.0-19044 version 3.4.3-1.x86_64 (runneradmin@fv-az479-541) > > > (gcc version 11.3.0 (GCC) ) 2022-12-16 12:38 UTC > > > > > > Windows 10 > > > Version 21H2 > > > Installed on ?7/?11/?2022 > > > OS build 19044.2251 > > > Experience Windows Feature Experience Pack 120.2212.4180.0 > > > > > > If you need further information, please let me know. > > > > This looks like it's an issue with less, which will be the pager that > > Git is using. I've just verified I can reproduce it by running > > `C:\cygwin64\bin\less.exe C:\cygwin64\var\log\setup.log` from within a > > PowerShell terminal, then resizing the terminal; it doesn't need to be > > a "snap" to trigger the behaviour. > > > > Somewhat to my surprise, `more` and `vim` don't exhibit this behaviour. > > Thanks for the report. I looked into this problem, and found > the cause. less uses longjmp in signal handler, and if signal > handler is called while cygwin acquiring the mutex, the mutex > will not be released. This causes deadlock. > > I will submit a patch for this issue shortly.
Now test release with this patch is ready. Please test cygwin 3.5.0-0.63.gf6e4e98d3071 (Test). https://cygwin.com/faq.html#faq.setup.testrels -- Takashi Yano <takashi.y...@nifty.ne.jp> -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple