[Bug 36596] Re: system freeze after clicking task manager trash icon in "pan" newsreader

[Mathias]

I can confirm the above problem: I use a Vaio Z1 with ATI Radeon Mobility M6 LY running Dapper with all updates. 
There are regular complete lockups where only reboot is possible. When I change from the ati to the vesa driver the system becomes perfectly stable.

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system freeze after clicking task manager trash icon in "pan" newsreader
https://launchpad.net/bugs/36596