Google Chrome - Crash Dump Location

Question

I'm trying to debug a page in a web app that keeps crashing Chrome ("Aw, snap!" error). I've enabled/disabled automatic crash reporting, tried logging with google-chrome --enable-logging --v=1, (as well as various levels of verbosity), and all I get is a "crash dump ID" in the chrome_debug.log chrome://crashes Shows all of the dump IDs, but no actual dump file

I see other questions referring to reading the dump files, but I can't find the dump files themselves (just the ID).

Grepping for the crash ID in /tmp and ~/.config/google-chrome/ turns up nothing, but the ~/.config/google-chrome/chrome_debug.log shows that something was sent:

--2015-04-06 11:10:00--  https://clients2.google.com/cr/report
Resolving clients2.google.com (clients2.google.com)... 74.125.228.224, 74.125.228.225, 74.125.228.231, ...
Connecting to clients2.google.com (clients2.google.com)|74.125.228.224|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: ‘/dev/fd/3’

     0K
 Crash dump id:  7dac9d5d58258264 

Any ideas on where to find the actual file/data that's sent?

Details: Chrome version: 40.0.2214.111 (Official Build) Linux Mint 16 (Petra)

Edit: Some extra info:

curtis@localhost:-$ tail -n 5 uploads.log && echo $(pwd)
1428584493,ddc357e4600a49e6
1428584497,7ac16455c152381a
1428589439,d00ad6f5e6426f3d
1428934450,66b3f722430511e8
1428939578,7a2efc2b681515d1
/home/curtis/.config/google-chrome/Crash Reports

curtis@localhost:-$ ll -a
total 12
drwx------ 2 curtis curtis 4096 Apr  6 11:32 .
drwx------ 9 curtis curtis 4096 Apr 13 11:43 ..
-rw------- 1 curtis curtis 3291 Apr 13 11:39 uploads.log

Automatic reporting is enabled...

Thanks!

Answer 1

The *.dmp files are stored in /tmp/, and this has nothing to do with the "Automatic crash reporting" checkbox. The file is also not related to the hash stored in ~/.config/google-chrome/

In ~/.config/google-chrome/Crash Reports/uploads.log:

1429189585,5bddea9f7433e3da

From using , the crash dump file for this particular report was:

chromium-renderer-minidump-2113a256de381bce.dmp

Solution:

root@localhost:-$ mkdir /tmp/misc && chmod 777 /tmp/misc
root@localhost:-$ cd /tmp
root@localhost:-$ watch -n 1 'find . -mmin -1 -exec cp {} /tmp/misc/ \;'

Then, as a regular user (not root):

google-chrome --enable-logging --v=1

Once you see files created by the watch command, run:

root@localhost:-$ ls -l
-rw-------  1 root root 230432 Apr 16 09:06 chromium-renderer-minidump-2113a256de381bce.dmp
-rw-------  1 root root 230264 Apr 16 09:12 chromium-renderer-minidump-95889ebac3d8ac81.dmp
-rw-------  1 root root 231264 Apr 16 09:13 chromium-renderer-minidump-da0752adcba4e7ca.dmp
-rw-------  1 root root 236246 Apr 16 09:12 chromium-upload-56dc27ccc3570a10
-rw-------  1 root root 237247 Apr 16 09:13 chromium-upload-5cebb028232dd944

Now you can use breakpad to work on the *.dmp files.

Answer 2

Google Chrome - Crash Dump Location

To generate the Crash Dump locally,

 CHROME_HEADLESS=1 google-chrome

The .dmp files are then stored in ~/.config/google-chrome/Crash Reports

Produce Stack Trace

1. Check out and add depot_tools to your PATH (used to build breakpad)

   git clone https://chromium.googlesource.com/chromium/tools/depot_tools
   export PATH=`pwd`/depot_tools:"$PATH"
   

2. Check out and build breakpad (using fetch from depot_tools)

   mkdir breakpad && cd breakpad
   fetch breakpad
   cd src
   ./config && make
   

3. To produce stack trace without symbols:

   breakpad/src/processor/minidump_stackwalk -m /path/to/minidump
   

More here https://www.chromium.org/developers/decoding-crash-dumps

Personally Preferred Method

1. Enable crash reporting:

   Chrome menu > Settings > Show advanced settings > Tick "Automatically send usage statistics and crash reports to Google"

2. Go to chrome://crashes > File bug > Takes you to crbug.com > Complete report leaving the auto-added report_id field unchanged.

3. Someone from the Chrome/Chromium team will follow up. They can provide you with your stack trace and aid at resolving the issue.