<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)" href="https://bugs.freedesktop.org/show_bug.cgi?id=54226#c54">Comment # 54</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb 3.5] stale semaphore sync seqno (typically as seen on bcs->rcs)" href="https://bugs.freedesktop.org/show_bug.cgi?id=54226">bug 54226</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>(In reply to <a href="show_bug.cgi?id=54226#c52">comment #52</a>) > Created <a href="attachment.cgi?id=76196" name="attach_76196" title="i915_error_state (kernel 3.8.1 Fedora) with path (write mbox regs twice on snb, v2)">attachment 76196</a> <a href="attachment.cgi?id=76196&action=edit" title="i915_error_state (kernel 3.8.1 Fedora) with path (write mbox regs twice on snb, v2)">[details]</a> > i915_error_state (kernel 3.8.1 Fedora) with path (write mbox regs twice on > snb, v2) > > I am applied patch "write mbox regs twice on snb, v2" but still have problem > [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU hung 0x00052cc8: 0x18800100: MI_BATCH_BUFFER_START 0x00052ccc: 0x0d59b000: dword 1 0x00052cd0: 0x13000001: MI_FLUSH_DW post_sync_op='no write' 0x00052cd4: 0x000000c4: address 0x00052cd8: 0x00000000: dword 0x00052cdc: 0x00000000: MI_NOOP 0x00052ce0: 0x11000001: MI_LOAD_REGISTER_IMM 0x00052ce4: 0x00002044: dword 1 0x00052ce8: 0x0007a582: dword 2 0x00052cec: 0x11000001: MI_LOAD_REGISTER_IMM 0x00052cf0: 0x00012040: dword 1 0x00052cf4: 0x0007a582: dword 2 0x00052cf8: 0x10800001: MI_STORE_DATA_INDEX 0x00052cfc: 0x00000080: index 0x00052d00: 0x0007a582: dword 0x00052d04: 0x01000000: MI_USER_INTERRUPT That's only a single LRI per semaphore, the patch wasn't tested.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>