Adrian Chadd wrote, On 12/30/2013 22:17: > On 17 December 2013 22:41, <dt71_at_gmx.com> wrote: >> It fixes non-deterministic lockups when the (old, drm1) r300 drivers are >> used. >> >> According to John Baldwin [1]: "The drm code is doing a copyin() while >> holding a mutex (which is not allowed)." The latest version of the patch >> (also the one I used for years) is at [2], linked from [3]. > > Hm. Well, can we add some lock assertions to the dri code to panic > whenever this is done? Oops, I meant panics, not lockups. The kernel panics exactly because -- as I gather -- the assertions are already there. There are lockup issues even with the patch applied (for the most part, only when using, in Xorg.conf: Option "AccelMethod" "EXA").Received on Mon Dec 30 2013 - 23:33:26 UTC
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