Meanwhile I reinstalled my system from a snapshot to get rid of the
bastard I created previously by building old xenocara, tried to run
openarena and got something new -- machine hanged completely, after
reset here is what I found in /var/log/messages:
Jul 22 11:16:47 janis /bsd: render error detected, EIR: 0x00000010
Jul 22 11:16:47 janis /bsd: IPEIR: 0x00000000
Jul 22 11:16:47 janis /bsd: IPEHR: 0x60020100
Jul 22 11:16:47 janis /bsd: INSTDONE_0: 0xffffffff
Jul 22 11:16:47 janis /bsd: INSTDONE_1: 0xbffffff8
Jul 22 11:16:47 janis /bsd: INSTDONE_2: 0x00000000
Jul 22 11:16:47 janis /bsd: INSTDONE_3: 0x00000000
Jul 22 11:16:47 janis /bsd: INSTPS: 0x0001f02e
Jul 22 11:16:47 janis /bsd: ACTHD: 0x02f6434c
Jul 22 11:16:47 janis /bsd: page table error
Jul 22 11:16:47 janis /bsd: PGTBL_ER: 0x00800000
Jul 22 11:16:47 janis /bsd: error: [drm:pid2:i915_report_and_clear_eir]
*ERROR* EIR stuck: 0x00000010, masking
Jul 22 11:16:53 janis /bsd: error: [drm:pid2:i915_hangcheck_hung]
*ERROR* Hangcheck timer elapsed... GPU hung
Jul 22 11:16:53 janis /bsd: render error detected, EIR: 0x00000010
Jul 22 11:16:53 janis /bsd: IPEIR: 0x00000000
Jul 22 11:16:53 janis /bsd: IPEHR: 0x60020100
Jul 22 11:16:53 janis /bsd: INSTDONE_0: 0xffffffff
Jul 22 11:16:53 janis /bsd: INSTDONE_1: 0xbffffff8
Jul 22 11:16:53 janis /bsd: INSTDONE_2: 0x00000000
Jul 22 11:16:53 janis /bsd: INSTDONE_3: 0x00000000
Jul 22 11:16:53 janis /bsd: INSTPS: 0x0001f02e
Jul 22 11:16:53 janis /bsd: ACTHD: 0x02f6434c
Jul 22 11:16:53 janis /bsd: page table error
Jul 22 11:16:53 janis /bsd: PGTBL_ER: 0x00800000
I can repeat it reliably.
