Mac OS X 10.11.5: App Store sometimes shows NaN instead of real numbers

Originator:igeek1
Number:rdar://26529630 Date Originated:27-May-2016 10:03 PM
Status:Duplicate of 26378721 Resolved:15-Jul-2016 02:09 AM
Product:OS X Product Version:Mac OS X 10.11.5 (15F34)
Classification:UI/Usability Reproducible:Sometimes
 
Summary:
The Mac App Store sometimes shows download progress numbers as “NaN GB of NaN GB” instead of showing real numbers.

Steps to Reproduce:
I don’t know of any particular steps to reproduce this, other than to say it shows up under the app update progress bar. Not sure about the “installation” progress bar under the Purchased tab. I’ve included a screen recording of a case where I did reproduce it, but it just seems to happen some times and not others. I’ve seen others tweet about it. A Twitter search turned up two recent ones, for example: https://twitter.com/jaytennier/status/733662932798734336 and https://twitter.com/joshdee_52/status/734080911348637698

Expected Results:
The label under the progress bar while updating apps shows only non-negative real numbers of bytes.

Actual Results:
The label sometimes shows NaN GB.

Regression:
This seems fairly recent, in Mac App Store years - maybe within the last year? But hard to say for sure.

Notes:
I’ve attached a screen recording, also posted here: http://cl.ly/gIz7

Comments

Message from Apple Developer Relations

We need more information to investigate this issue.

Please provide a sysdiagnose output from the affected system(s). Please collect this either while the issue is occurring, or as soon after as possible (for example, take it after a reboot if necessary).

Please let us know what you were doing that caused the issue, so we can correlate your actions with the diagnostic output in sysdiagnose. Please try to focus on one or two actions that cause an issue. If you perform many different actions, it will be difficult for us to determine which action caused the sysdiagnose output.

More on running sysdiagnose:

  1. Launch Terminal.app
  2. Enter this command: sudo sysdiagnose
  3. Enter your admin password
  4. When sysdiagnose has completed (may take several minutes), locate the new sysdiagnose file in /var/tmp or /private/var/tmp. Upload that file.

An alternative approach uses a key command:

  1. Press Shift-Control-Option-Command-Period when the issue reproduces
  2. Wait for a few minutes (you can release the keys).
  3. When sysdiagnose has completed (may take several minutes), locate the new sysdiagnose file in /var/tmp or /private/var/tmp. Upload that file.

Please provide your response or results by updating your bug report.

By igeek1 at June 1, 2016, 12:07 a.m. (reply...)

Note: the attached screen recording was originally recorded for http://www.openradar.me/26529581 rdar://problem/26529581

By igeek1 at May 28, 2016, 2:11 a.m. (reply...)

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