Bug 92121 - acpid cannot connect to netlink socket (bisected)
Summary: acpid cannot connect to netlink socket (bisected)
Status: RESOLVED CODE_FIX
Alias: None
Product: Networking
Classification: Unclassified
Component: Other (show other bugs)
Hardware: x86-64 Linux
: P1 high
Assignee: Stephen Hemminger
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-01-26 22:15 UTC by Martin Ziegler
Modified: 2015-02-04 15:42 UTC (History)
1 user (show)

See Also:
Kernel Version: 3.19.0-rc6
Subsystem:
Regression: Yes
Bisected commit-id:

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Description Martin Ziegler 2015-01-26 22:15:46 UTC 
acpid ouputs the following:

  Cannot bind netlink socket: No such file or directory
  acpid: cannot open generic netlink socket
  acpid: starting up with netlink and the input layer

The commit responsible for that is

  5ad6300524c0332ac67e912c20d6e5cf262ba58f
  
  genetlink: disallow subscribing to unknown mcast group

Reverting lets the bug vanish
Comment 1 Johannes Berg 2015-02-04 15:42:52 UTC 
According to Bjørn this is fixed by commit 8b7c36d810c6 ("netlink: fix wrong subscription bitmask to group mapping in")
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