Bug 97251 - Machine freezes on a MBP 8,1
Summary: Machine freezes on a MBP 8,1
Status: RESOLVED OBSOLETE
Alias: None
Product: Platform Specific/Hardware
Classification: Unclassified
Component: x86-64 (show other bugs)
Hardware: Intel Linux
: P1 high
Assignee: platform_x86_64@kernel-bugs.osdl.org
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-04-25 15:53 UTC by Chris Zimmermann
Modified: 2015-04-29 14:08 UTC (History)
0 users

See Also:
Kernel Version: 3.19.0.15
Subsystem:
Regression: No
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Description Chris Zimmermann 2015-04-25 15:53:26 UTC 
Kernel 3.19.0.15 (and also 4.0 and 4.0.rc7) cause the login session as created by Lightdm to freeze. Symptoms: keyboard, trackpad and external USB mouse don'T work, Macbook is not visible on the network. Symptoms first occurred after recent upgrade to Ubuntu 15.04. Kernels 3.16.0.33 and 3.16.0.34 work OK.

More details at:  

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1448458
Comment 1 Chris Zimmermann 2015-04-29 14:08:28 UTC 
Bug was caused by heavily hacked version of bcmwl (6.20.155). Re-installation of the corresponding version from the Vivid repo solved the problem.
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