Analyse crash report in chrome os

Vic

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Jan 10, 2018, 1:54:17 AM1/10/18

to Chromium OS dev

I'm seeing crash reports in chrome://crashes, but no way to see the details of the report. I also can't find any minidump files to analyse.

What is the way to get crash report details in chrome os?

Mike Frysinger

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Jan 10, 2018, 2:16:16 AM1/10/18

to Vic, Chromium OS dev

if they get uploaded, then they get deleted and removed from your device. run `stop crash-sender` to stop all that, then look in /var/spool/crash/ for all queued crash reports.

-mike

On Wed, Jan 10, 2018 at 1:54 AM, Vic <vik...@screencloud.io> wrote:

I'm seeing crash reports in chrome://crashes, but no way to see the details of the report. I also can't find any minidump files to analyse.
What is the way to get crash report details in chrome os?

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Leonard Mosescu

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Jan 10, 2018, 1:48:09 PM1/10/18

to Mike Frysinger, Vic, Chromium OS dev

Hi Vic, which details are missing from the report? Can you link to a few sample crashes?

Mike Frysinger

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Jan 10, 2018, 2:41:10 PM1/10/18

to Leonard Mosescu, Vic, Chromium OS dev

i assume that, because his e-mail is @screencloud.io, he doesn't have access to crash/ and thus can't view the uploaded crash reports. he's trying to get the crashes locally and analyze them.

-mike

Daniel Erat

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Jan 10, 2018, 3:03:30 PM1/10/18

to Vic, Chromium OS dev

If you're interested in Chrome crashes, I've been able to get minidumps by putting the following in /etc/chrome_dev.conf:

HEADLESS=

BREAKPAD_DUMP_LOCATION=/home/chronos/crash

The FAQ has a lot of information as well (some of which may even still be accurate :-P): https://www.chromium.org/chromium-os/packages/crash-reporting/faq

Lei Zhang

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Jan 10, 2018, 3:03:36 PM1/10/18

to Mike Frysinger, Leonard Mosescu, Vic, Chromium OS dev

Do we have public debugging symbols (either Breakpad format or ELF)
for Chrome on ChromeOS? If not, having the crash dumps isn't going to
help.

Vic, have you considered just filing bug reports for the crashes?

On Wed, Jan 10, 2018 at 11:40 AM, Mike Frysinger <vap...@chromium.org> wrote:

Vic

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Jan 11, 2018, 11:45:40 PM1/11/18

to Chromium OS dev, vik...@screencloud.io

Thank you Mike, I see attempts to upload crash report in /var/log/messages. Didn't know they are deleted right after

Vic

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Jan 11, 2018, 11:49:05 PM1/11/18

to Chromium OS dev, vap...@chromium.org, mos...@chromium.org, vik...@screencloud.io

I think we've got breakpad on ChromeOS.

Lei, and what do you mean filing? What I see now is automatic report upload and that's it

Vic

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Jan 11, 2018, 11:50:16 PM1/11/18

to Chromium OS dev, vik...@screencloud.io

Cool thank you, will try it

Lei Zhang

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Jan 12, 2018, 12:04:49 AM1/12/18

to Vic, Chromium OS dev, Mike Frysinger, mos...@chromium.org

The entries on chrome://crashes/ have IDs, timestamps, and a "Provide
additional details" link. If you click the link, it navigates to the
Chromium bug tracker, where you can file a bug and provide more
details on what happened.

Mike Frysinger

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Jan 12, 2018, 1:29:56 AM1/12/18

to Lei Zhang, Leonard Mosescu, Vic, Chromium OS dev

i don't think we publish .sym files for official builds (yet?). i recall talks about changing this. or maybe it was for AFDO ?

-mike

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