HAs also been reported on the GSFE and UK GEG G+ communities. Has been reproduced on a number of UK consumer accounts as well.

Hi - Would you happen to have a Crash Id(s) for this behavior? Thanks!

Not sure if this is what you want:
Crash ID Chrome (Server ID: d23d7b0c80000000)

Crash report uploaded on Friday, 7 April 2017 at 07:35:54

Provide additional details.
<https://code.google.com/p/chromium/issues/entry?template=Crash%20Report&comment=IMPORTANT%3A%20Your%20crash%20has%20already%20been%20automatically%20reported%20to%20our%20crash%20system.%20Please%20file%20this%20bug%20only%20if%20you%20can%20provide%20more%20information%20about%20it.%0A%0A%0AChrome%20Version%3A%2058.0.3029.51%0AOperating%20System%3A%20Linux%203.8.11%0A%0AURL%20(if%20applicable)%20where%20crash%20occurred%3A%0A%0ACan%20you%20reproduce%20this%20crash%3F%0A%0AWhat%20steps%20will%20reproduce%20this%20crash%3F%20(If%20it%27s%20not%20reproducible%2C%20what%20were%20you%20doing%20just%20before%20the%20crash%3F)%0A1.%0A2.%0A3.%0A%0A****DO%20NOT%20CHANGE%20BELOW%20THIS%20LINE****%0ACrash%20ID%3A%20crash%2Fd23d7b0c80000000&labels=Restrict-View-EditIssue%2CStability-Crash%2CUser-Submitted>
Crash ID Chrome (Server ID: cc617b0c80000000)

Crash report uploaded on Friday, 7 April 2017 at 07:26:15

Provide additional details.
<https://code.google.com/p/chromium/issues/entry?template=Crash%20Report&comment=IMPORTANT%3A%20Your%20crash%20has%20already%20been%20automatically%20reported%20to%20our%20crash%20system.%20Please%20file%20this%20bug%20only%20if%20you%20can%20provide%20more%20information%20about%20it.%0A%0A%0AChrome%20Version%3A%2058.0.3029.51%0AOperating%20System%3A%20Linux%203.8.11%0A%0AURL%20(if%20applicable)%20where%20crash%20occurred%3A%0A%0ACan%20you%20reproduce%20this%20crash%3F%0A%0AWhat%20steps%20will%20reproduce%20this%20crash%3F%20(If%20it%27s%20not%20reproducible%2C%20what%20were%20you%20doing%20just%20before%20the%20crash%3F)%0A1.%0A2.%0A3.%0A%0A****DO%20NOT%20CHANGE%20BELOW%20THIS%20LINE****%0ACrash%20ID%3A%20crash%2Fcc617b0c80000000&labels=Restrict-View-EditIssue%2CStability-Crash%2CUser-Submitted>
Crash ID Chrome (Server ID: 94917b0c80000000)

Crash report uploaded on Friday, 7 April 2017 at 07:25:47

Provide additional details.
<https://code.google.com/p/chromium/issues/entry?template=Crash%20Report&comment=IMPORTANT%3A%20Your%20crash%20has%20already%20been%20automatically%20reported%20to%20our%20crash%20system.%20Please%20file%20this%20bug%20only%20if%20you%20can%20provide%20more%20information%20about%20it.%0A%0A%0AChrome%20Version%3A%2058.0.3029.51%0AOperating%20System%3A%20Linux%203.8.11%0A%0AURL%20(if%20applicable)%20where%20crash%20occurred%3A%0A%0ACan%20you%20reproduce%20this%20crash%3F%0A%0AWhat%20steps%20will%20reproduce%20this%20crash%3F%20(If%20it%27s%20not%20reproducible%2C%20what%20were%20you%20doing%20just%20before%20the%20crash%3F)%0A1.%0A2.%0A3.%0A%0A****DO%20NOT%20CHANGE%20BELOW%20THIS%20LINE****%0ACrash%20ID%3A%20crash%2F94917b0c80000000&labels=Restrict-View-EditIssue%2CStability-Crash%2CUser-Submitted>

When you take a partial screen shot you just get the full screen. The
crosshair cursor appears - but you cannot select anything. Been happening
since Monday this week. Happens on all accounts on wheatleypark.org and
every private accoutn I've tried. Reproduced on Pixel, Toshiba Chromebooks
2, Acer C720, Acer Chromebook, Acer Chromebook 13 (tegra chip) and Asus
Chromebox. On Stable/beta and dev channel (on R11).

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

Not sure if this is what you want:
Crash ID Chrome (Server ID: d23d7b0c80000000)

Crash report uploaded on Friday, 7 April 2017 at 07:35:54

Provide additional details.

Crash ID Chrome (Server ID: cc617b0c80000000)

Crash report uploaded on Friday, 7 April 2017 at 07:26:15

Provide additional details.

Crash ID Chrome (Server ID: 94917b0c80000000)

Crash report uploaded on Friday, 7 April 2017 at 07:25:47

Provide additional details.


When you take a partial screen shot you just get the full screen. The crosshair cursor appears - but you cannot select anything. Been happening since Monday this week. Happens on all accounts on wheatleypark.org and every private accoutn I've tried. Reproduced on Pixel, Toshiba Chromebooks 2, Acer C720, Acer Chromebook, Acer Chromebook 13 (tegra chip) and Asus Chromebox. On Stable/beta and dev channel (on R11).

Probably a dupe of Issue 613226, but we need to take a look at why partial screenshot stopped working on 57.0.2987.137.

I can take a partial screen shot on elm (Chrome 59.0.3068.0/Platform 9439.0.0-17.04.07).

I will look the crash report in more detail.

It also works on device LINK with Chrome 58.0.2991.0, Platform 9197.0.0-17.01.18.

warx@ can take partial screen shot on a LINK with Chrome: 57.0.2987.137/Platform: 9202.60.0.

If it is possible, could you please update ChromeOS and try again?
Current stable version for LINK is Chrome: 57.0.2987.146/Platform: 9202.64.0 on 2017-04-05 11:56.

I am installing this version to see if we have this problem.

Working on my LINK with the following versions:
		
Chrome: 57.0.2987.148/Platform: 9202.66.0
Chrome: 57.0.2987.146/Platform: 9202.64.0
Chrome: 57.0.2987.137/Platform: 9202.60.0
	

There is a way we can do more analysis. Could you please do the following to file a feedback report right after one crash?
1. First reproduce the crash.
2. "ALT + SHIFT + i" to open the feedback report window.
3. Filled in this bug number:  http://crbug.com/708444 .
4. Click/Check "Send system information and metrics.
5. Click "Send".

Done - also got a brand new Asus C213N to review. Same issue. Also still
happening on any account domain/private that I've tried in the UK.

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

I do not find any thing interesting in the log file.

I am not sure this is related, but can you try removing the Extension [Nimbus Screenshot & Screen Video Recorder|Securly for Chromebooks].

There might be some conflict with the extension. Is the extension installed in all the ChromeBooks you tested?

It works fine when I installed the extension: Nimbus Screenshot & Screen Video Recorder

Hi,

No - thats the workaround - you install it to take a partial screenshot.
Does not work with or without it. Does not work in guest mode or with a
fresh user with no extensions.

This stopped working in the middle of the day about a week ago - was
working and then has failed to do so. On an Acer CB13 today it actually
crashed Chrome (did the normal bug report).

Roger

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

Also failed to work on a brand new Asus C213N which I was given to review.
I can only think this is location related as it works in other parts of the
world.

Roger

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

So the Nimbus Screenshot app works, but the native ChromeBook app "CTRL + SHIFT + SWITCH" does not work?

In the log file you upload, I should see crash back trace. But I did not find it.
What is your bug report id for Acer CB13? I can have a look.

"So the Nimbus Screenshot app works, but the native ChromeBook app "CTRL +
SHIFT + SWITCH" does not work" - Correct - well most of the time - Nimbus
can be a bit glitchy - but does work most of the time. When it does not -
nothing happens when you try to take a partial screenshot. "CTRL + SHIFT +
SWITCH" never works now and either crashes chrome (on the CB13) or results
in a full screenshot (intel based devices) - the crosshair appears but you
cannot select an area.

Sorry - the CB13 one I did at lunchtime today at work quickly. Has my email
address on it - rdnixon@wheatleypark.org if thats any help.

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

Video of what happens:
https://drive.google.com/file/d/0B0vcQ-UNCMvIblRHbkdJUmlnYkU/view

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

Normally, when the partial screen shot triggered, the screen should be masked by gray layer and when you select the area, the area selected become normal.

I do not see it from the video.

Yes - that's the point - you drag the cross hair and you cannot do anything
- you just get a full screenshot. You cannot get the mask over the area you
are trying to select.

Here is from the syslog from the report: "Crash trying to take a partial screen shot".
Is this the reason for the crash: "pcm_avail returned frames larger than buf_size: NVIDIA Tegra Venice2: :1,0: 8200 > 8192 for 1 times"?
I wonder if you take full screen shot "CTRL + SWITCH", will it crash on the same device?
If yes, the crash may be different issue than you can not use "partial screen shot".

2017-04-12T11:27:59.740269+01:00 ERR cras_server[1843]: No chmap queried!
2017-04-12T11:28:00.704298+01:00 ERR cras_server[1843]: pcm_avail returned frames larger than buf_size: NVIDIA Tegra Venice2: :1,0: 8200 > 8192 for 1 times
2017-04-12T11:28:01.426874+01:00 WARNING crash_reporter[6945]: Received crash notification for chrome[1251] user 1000 (called directly)
2017-04-12T11:28:01.903213+01:00 WARNING crash_reporter[6967]: [user] Received crash notification for chrome[1251] sig 11, user 1000 (ignoring call by kernel - chrome crash; waiting for chrome to call us directly)
2017-04-12T11:28:02.399258+01:00 ERR cras_server[1843]: fetch err: -32 for 0
2017-04-12T11:28:02.402780+01:00 INFO session_manager[1091]: [INFO:child_exit_handler.cc(77)] Handling 1251 exit.
2017-04-12T11:28:02.402963+01:00 ERR session_manager[1091]: [ERROR:child_exit_handler.cc(85)]   Exited with signal 11
2017-04-12T11:28:02.403134+01:00 INFO session_manager[1091]: [INFO:session_manager_service.cc(301)] Exiting process is chrome.
2017-04-12T11:28:02.403274+01:00 INFO session_manager[1091]: [INFO:browser_job.cc(149)] Terminating process group: Ensuring browser processes are gone.
2017-04-12T11:28:02.403425+01:00 INFO session_manager[1091]: [INFO:system_utils_impl.cc(110)] Sending 9 to -1251 as 1000

I can use the Nimbus to take "partial" screen shot.

Could you please try one more thing for me, use an external keyboard, to see if you can take partial screen shot?

The reason I asked because there was some keyboard issue with other type of Chromebook. The behaviors are not same though.

Hi,
I've tried a PC keyboard with my Pixel and the same thing happens - takes a
full screenshot not partial. The Tegra Acer is a at work - so I'll try when
I'm back in (of until after Easter now) - but you could do a full
screenshot - that keyboard combo works fine.

I did try switching to a US keyboard - but that does not seem to make any
difference.

Roger

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

Thanks for the reply.

I am also looking for any code change between Chrome/57.0.2987.137 and previous stable one Chrome/57.0.2987.123, nothing obvious related to screenshot.

There is a new version Chrome/57.0.2987.146 for LINK pushed on 2017-04-05. I am guessing it does not fix the issue for you.

No - the version of ChromeOS does not seem to matter - I've devices on
Stable/Beta/Dev - all do the same.

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

I do not see any similar report, which is weird.
There is one similar, but I think it is related to keyboard: 
https://bugs.chromium.org/p/chromium/issues/detail?id=709548
https://bugs.chromium.org/p/chromium/issues/detail?id=701643

There are two more things we can try:
1. try a US keyboard.
2. For the a brand new Asus C213N, did you login with old account?
Could you please create a brand new user account and login? Because all the apps/extensions will be automatically synced when you use old account to login.

But you do mentioned that "Guest" login has the same issue, which cannot be explained.

Hi,

Tried US and a selection of other languages - makes no difference.
This happens independently of any account - so the same thing happens in
guest mode (tried on Pixel, Acer C720 and Toshiba 2). Have changed the
language to US and a variety of other in guest mode - no difference.
I've tried with an account with zero extensions where they are not allowed
to add any.

Advising our users to use Nimbus for now.

Roger

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

Thanks for being patient with us.
A problem is that we can not reproduce the bug here. I cannot reproduce the bug on LINK, ELM, KEVIN on different versions M56, M57, M58 and M59. If we can reproduce the bug, then we can find out what the root cause is.

OK - no worries - Nimbus appears to be working OK and is a good
alternative. Weird how its not working over here. It did just stop in the
middle or the day - so maybe in a few weeks it will just start again - who
knows.

R D Nixon, Director of ICT

Wheatley Park School, Holton, Oxford OX33 1QH | Telephone: 01865
872441| Direct:
07722868036

Close this for now with Won't fix. Please feel free to reopen it.

There is a new version for update since 2017-04-14, Chrome: 9202.71.0/Platform: 57.0.2987.154
Please let us know it will make any changes.