hang

In the last month our ASP.NET web app has stopped responding to requests and we have had to reset the app pool to get it back up. We are having trouble identifying the exact cause of the issue, as there are no errors in the server's event log. The site simply stops responding. So we have been using WinDbg to try and analyse a memory dump taken when the site was not responding with the help of Tess Ferrandez's blog entries: GC Hangs & High CPU Hang By running !threadpool I can see the following: CPU utilization: 81% Worker Thread: Total: 10 Running: 8 Idle: 2 MaxLimit: 400 MinLimit: 160 Work

Background I maintain several web sites that are Visual Studio "Web Site Projects". Problem I've found that with a couple of these projects, Visual Studio regularly freezes while I'm working on the code. This doesn't happen for some of the web site projects, and I haven't seen it happen on any Web Application projects. Symptoms Each time it freezes, it takes about half a minute before I can use it again. During a freeze, Windows Task Manager reports that Microsoft.VisualStudio.Web.Host.exe is maxing out one of the CPU cores. Steps to Reproduce Open a .cs file under the App_Code directory. Make

I can run an ubuntu container successfully: # docker run -it -d ubuntu 3aef6e642327ce7d19c7381eb145f3ad10291f1f2393af16a6327ee78d7c60bb # docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3aef6e642327 ubuntu "/bin/bash" 3 seconds ago Up 2 seconds condescending_sammet But executing docker attach hangs: # docker attach 3aef6e642327 Until I press any key, such as Enter : # docker attach 3aef6e642327 root@3aef6e642327:/# root@3aef6e642327:/# ls bin boot dev etc home lib lib64 media mnt opt proc root run sbin srv sys tmp usr var Why does docker attach hang? Update : After reading the

I'm starting a process within my C# application which runs a console application. I've redirected standard input and output, and am able to read a few lines via StandardOutput.ReadLine(). I'm convinced I have the ProcessStartInfo configured correctly. The console application, when started, outputs a few lines (ending with a "marker" line) and then waits for input. After receiving the input, it again outputs a few lines (ending again with a "marker" line), and so on. My intention is to read lines from it until I receive the "marker" line, at which point I know to send the appropriate input

I have some python scripts that run via cron, and they no longer exit correctly when the script is called with an absolute path. They will hang until the process is terminated. I believe it happened after I moved /var and /home to a different partition. I checked into the environment variables and couldn't see anything obviously wrong, this happens either when run with cron or a bash subshell, but not when run directly. If I run it as a subshell it hangs until I kill it (ctrl-c) and then gives me the output. [wotstats@rock test]$ echo 'assert 0==1, "fails"' > test.py [wotstats@rock test]$ /bin

Suppose I'm using the MATLAB IDE and happen to have some very large objects in my workspace (e.g. arrays of 500k+ elements). Now, suppose that I stupidly and accidentally double click on one of these very large variables, which triggers a load to the array editor. Unfortunately, with arrays this big, MATLAB just hangs. I've tried CTRL+C, CTRL+BREAK, CTRL+D, but none seem able to interrupt the behavior of the IDE. I know I can force matlab to quit, but reading all of those variables into the workspace in the first place takes a lot of time, and I may have unsaved changes in an editor window,