I have bisected on 7.6 branch. This is the result:
284a7af274bc148f112bd0ebb40583923ee26b49 is first bad commit
commit 284a7af274bc148f112bd0ebb40583923ee26b49
Author: Pauli Nieminen <email address hidden>
Date: Sun Sep 20 22:24:35 2009 +0300
radeon: Fix legacy bo not to reuse dma buffers before refcount is 1.
····
This should help detecting possible memory leaks with dma buffers and prevent
possible visual corruption if data would be overwriten too early.
:040000 040000 2fada933dbda54c97f8c47678f2bb03ff05d09bf 1b9c0f0425df9851994f7fa1e095c9a51e79d2c4 M src
Same problem with HP Compaq nc6400 containing:
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc M52 [Mobility Radeon X1300] [1002:714a]
I have bisected on 7.6 branch. This is the result:
284a7af274bc148 f112bd0ebb40583 923ee26b49 is first bad commit f112bd0ebb40583 923ee26b49
commit 284a7af274bc148
Author: Pauli Nieminen <email address hidden>
Date: Sun Sep 20 22:24:35 2009 +0300
radeon: Fix legacy bo not to reuse dma buffers before refcount is 1.
····
This should help detecting possible memory leaks with dma buffers and prevent
possible visual corruption if data would be overwriten too early.
:040000 040000 2fada933dbda54c 97f8c47678f2bb0 3ff05d09bf 1b9c0f0425df985 1994f7fa1e095c9 a51e79d2c4 M src