Created attachment 136131 [details] kmail-debug I have a stable gentoo system, so atm I run: mesa-17.1.10 libdrm-2.4.82 xf86-video-nouveau-1.0.15 I tested also: mesa-17.3.0 libdrm-2.4.88 When I run kmail, it crashes and in dmesg I see: [ 3514.679879] nouveau 0000:03:00.0: gr: TRAP ch 5 [003fb74000 kmail[23649]] [ 3514.679889] nouveau 0000:03:00.0: gr: GPC0/TPC0/TEX: 80000041 [ 3514.679893] nouveau 0000:03:00.0: gr: GPC0/TPC1/TEX: 80000041 [ 3514.679904] nouveau 0000:03:00.0: fifo: read fault at 0002430000 engine 00 [PGRAPH] client 04 [GPC0/] reason 02 [PAGE_NOT_PRESENT] on channel 5 [003fb74000 kmail[23649]] [ 3514.679906] nouveau 0000:03:00.0: fifo: gr engine fault on channel 5, recovering... [ 3514.680191] nouveau 0000:03:00.0: kmail[23649]: channel 5 killed! If I compile kmail with the debug stuff I get what is in the kmail-debug attachment. If I compile also libdrm with the debug stuff I get a double-free which is in the double-free attachment.
Created attachment 136132 [details] double-free
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