Mathias Fröhlich wrote:

Hi Vincent,

On Tuesday, November 06, 2012 12:14:52 Vincent Lejeune wrote:
Do you use the master branch ?
Yes, e3213f01f7764af573ed641a7bc98dde5824e321 is my current head in llvm.

This commit generates some llvm.R600.store.pixel.color/stencil/depth
intrinsics, which were introduced by this commit :
http://cgit.freedesktop.org/~tstellar/llvm/commit/?id=761b5e4d7d62f7dc7ac55
61f355a1eb0d7dd766e
Is included.

I think the "unreachable" error means that llvm does not recognise the
intrinsic ; if llvm recognised the intrinsic but didn't know how to lower
it, there would be a "cannot select" error message.
I have not tested that much like Andy seems to have tested.
So I did not get this message. But with gears I get a bunch of gpu resets.

I only saw unreachable with older llvm and head mesa


Well, just have already tracked down the lockup to reverting to the mentioned
patch in mesa instead of trying to bisect llvm.

I agree - well, with head llvm and mesa reset to the commit before the one above I no longer lockup gpu.

While simple things seem OK with mesa on
1feb6b79ab5d099b7b53d800921e7e8577593a98
etqw has issues, it may run but badly, one time it just segfaulted and I lost mouse, another run I ended up with half a dozen -

[drm:radeon_cs_ioctl] *ERROR* Failed to parse relocation -12!
etqw-rthread.x8: page allocation failure: order:4, mode:0xc0d0
<detail snipped>

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