*** This bug is a duplicate of bug 1155609 ***
https://bugs.launchpad.net/bugs/1155609
>From your logs it looks like the external monitor has invalid EDID,
which accounts for the flickering. Use xedid or similar to override the
EDID.
As to the GPU lockup, I gather it continued working properly, without
having a hard freeze. So this is a dupe of the false gpu bug.
** This bug has been marked a duplicate of bug 1155609
False GPU lockup EIR: 0x00000010
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https://bugs.launchpad.net/bugs/1155230
Title:
[i915gm] False GPU lockup EIR: 0x00000010 PGTBL_ER: 0x00000100 IPEHR:
0x01000000
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