[Bug 276476] Re: INFO: task blocked for more than 120 seconds causes system freeze

[Sesshomurai]

Hi,
  I don't think this bug is defined correctly. I believe its not the hung process that CAUSES the system freeze. Its something in the kernel/scheduler that CAUSES a process to HANG, which then precipitates to the entire system.

So I don't recommend looking at individual programs or services to fix
this, rather severe problem. Nor do I think its something in a process
that triggers this. Something else is going on system/kernel wide.

This is a showstopper for production service providers using Ubuntu
server.

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INFO: task blocked for more than 120 seconds causes system freeze
https://bugs.launchpad.net/bugs/276476
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