Open Bug 1327319 Opened 5 years ago Updated 4 years ago
.exe" doesn't reliably crash firefox
>>> My Info: Win7_64, Nightly 49, 32bit, ID 20160526082509 Basic info I used: https://developer.mozilla.org/en-US/docs/Mozilla/How_to_report_a_hung_Firefox So. In some cases when Firefox hangs (i.e. when I open many tabs with Youtube video) and consumes all available RAM (see AR Step 1), then "crashfirefox.exe" doesn't crash Firefox. Here's a detailed description of what usually happens (Only FYI. Those aren't reliable steps.) >>> STR_1: (description of what I did; not reliable) 1. Somehow cause Firefox hang (I use multi-multi-process mode , not sure if it's necessary) 2. Launch "crashfirefox.exe", wait 1 minute 3. Close "crashfirefox.exe" 4. Kill all instances of "plugin-container.exe" (child process) and Flash plugin via Windows Task Manager. Open "Performance monitor" , wait until all said processes are killed. 5. Launch "crashfirefox.exe", wait 1 minute AR: Step 1 - Parent process consumes ~500Mb, child processES consume ~200Mb each. Flash processes (if any) consume ~50-100Mb. Total RAM consumption is 95% out of 4Gb Step 2 - "crashfirefox.exe" stops after it lists "firefox.exe" in console. No other actions Step 3 - "crashfirefox.exe" closes. No other actions Step 4 - all said processes close, but nothing happens with "firefox.exe": it still doesn't respond Step 5 - same as Step 2: "crashfirefox.exe" launches. No other actions, Firefox still doesn't respond ER: Step 2 - "firefox.exe" should crash and show crash dialog. Or at least: Step 5 - "firefox.exe" should crash and show crash dialog.  Enable e10s, open about:config, set preference "dom.ipc.processCount" to "10"  "Performance monitor" may be incorrect translation from russian. To open "Performance monitor", launch Task Manager, switch to tab "Performance" (may be incorrect translation), click button "Performance monitor"
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