<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [BXT] Everything using GPU gets stuck after running+killing parallel Media loads" href="https://bugs.freedesktop.org/show_bug.cgi?id=110848#c54">Comment # 54</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [BXT] Everything using GPU gets stuck after running+killing parallel Media loads" href="https://bugs.freedesktop.org/show_bug.cgi?id=110848">bug 110848</a> from <a class="email" href="mailto:david.weinehall@intel.com" title="David Weinehall <david.weinehall@intel.com>"> David Weinehall</a> <pre>The latest patch still isn't quite perfect; already during the first test iteration the following happens: [ 256.976769] general protection fault: 0000 [#1] PREEMPT SMP PTI [ 256.976781] CPU: 3 PID: 2601 Comm: h264parse0:sink Not tainted 5.3.0-rc6-CI-Custom_4350+ #1 [ 256.976784] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./J4205-ITX, BIOS P1.40 07/14/2017 [ 256.976852] RIP: 0010:i915_request_await_dma_fence+0x303/0x420 [i915] [ 256.976857] Code: 00 84 4a 30 0f 85 26 ff ff ff 48 8b 83 a0 00 00 00 4c 8b bb 90 02 00 00 48 05 c0 00 00 00 49 39 c7 74 29 49 8b 86 a0 00 00 00 <49> 8b b7 98 fd ff ff 41 8b 97 a0 fd ff ff 48 8d b8 f0 00 00 00 e8 [ 256.976861] RSP: 0018:ffffc90001f839b0 EFLAGS: 00010283 [ 256.976865] RAX: ffff88818075c600 RBX: ffff88811cf0aec0 RCX: 0000000000000000 [ 256.976869] RDX: ffff88827180c000 RSI: 0000000000000000 RDI: 00000000ffffffff [ 256.976872] RBP: ffffc90001f839c8 R08: ffff88827180c550 R09: 0000000000000000 [ 256.976875] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88811a8cd148 [ 256.976878] R13: ffffc90001f839c8 R14: ffff88811a8cd080 R15: dead000000000122 [ 256.976882] FS: 00007f932cba4700(0000) GS:ffff888277f80000(0000) knlGS:0000000000000000 [ 256.976886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 256.976889] CR2: 00007fbae3374000 CR3: 0000000270288000 CR4: 00000000003406e0 [ 256.976892] Call Trace: [ 256.976954] i915_request_await_object+0x248/0x380 [i915] [ 256.976963] ? __mutex_unlock_slowpath+0x4b/0x2b0 [ 256.977014] i915_gem_do_execbuffer+0x18a1/0x1e00 [i915] [ 256.977034] ? __lock_acquire+0x25f/0x1cc0 [ 256.977114] ? i915_gem_execbuffer_ioctl+0x2e0/0x2e0 [i915] [ 256.977154] i915_gem_execbuffer2_ioctl+0x103/0x420 [i915] [ 256.977197] ? i915_gem_execbuffer_ioctl+0x2e0/0x2e0 [i915] [ 256.977202] drm_ioctl_kernel+0x88/0xf0 [ 256.977209] drm_ioctl+0x2f8/0x3b0 [ 256.977249] ? i915_gem_execbuffer_ioctl+0x2e0/0x2e0 [i915] [ 256.977260] do_vfs_ioctl+0xa5/0x6f0 [ 256.977268] ? __fget+0x114/0x200 [ 256.977273] ksys_ioctl+0x3a/0x70 [ 256.977278] __x64_sys_ioctl+0x16/0x20 [ 256.977283] do_syscall_64+0x5a/0x1c0 [ 256.977289] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 256.977293] RIP: 0033:0x7f9337de75d7 [ 256.977298] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48 [ 256.977300] RSP: 002b:00007f932cba3068 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 256.977304] RAX: ffffffffffffffda RBX: 0000000000000043 RCX: 00007f9337de75d7 [ 256.977307] RDX: 00007f932cba3110 RSI: 00000000c0406469 RDI: 0000000000000006 [ 256.977310] RBP: 00007f932cba3090 R08: 00005561beddcf90 R09: 0000000000000000 [ 256.977312] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f932cba3110 [ 256.977315] R13: 00000000c0406469 R14: 0000000000000006 R15: 00005561beddce70 [ 256.977323] Modules linked in: fuse snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul snd_hda_intel crc32_pclmul snd_intel_nhlt snd_hda_codec r8169 realtek lpc_ich snd_hwdep snd_hda_core snd_pcm pinctrl_broxton pinctrl_intel mei_me mei sunrpc [ 256.978130] ---[ end trace 7db3409bc5d5dfb1 ]--- [ 256.978194] RIP: 0010:i915_request_await_dma_fence+0x303/0x420 [i915] [ 256.978199] Code: 00 84 4a 30 0f 85 26 ff ff ff 48 8b 83 a0 00 00 00 4c 8b bb 90 02 00 00 48 05 c0 00 00 00 49 39 c7 74 29 49 8b 86 a0 00 00 00 <49> 8b b7 98 fd ff ff 41 8b 97 a0 fd ff ff 48 8d b8 f0 00 00 00 e8 [ 256.978204] RSP: 0018:ffffc90001f839b0 EFLAGS: 00010283 [ 256.978209] RAX: ffff88818075c600 RBX: ffff88811cf0aec0 RCX: 0000000000000000 [ 256.978211] RDX: ffff88827180c000 RSI: 0000000000000000 RDI: 00000000ffffffff [ 256.978214] RBP: ffffc90001f839c8 R08: ffff88827180c550 R09: 0000000000000000 [ 256.978217] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88811a8cd148 [ 256.978219] R13: ffffc90001f839c8 R14: ffff88811a8cd080 R15: dead000000000122 [ 256.978223] FS: 00007f932cba4700(0000) GS:ffff888277f80000(0000) knlGS:0000000000000000 [ 256.978225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 256.978228] CR2: 00007fbae3374000 CR3: 0000000270288000 CR4: 00000000003406e0 The machine doesn't hang, but that's about the only good news; after this the other iterations continue (without additional errors in dmesg), but none of the test runs are successful. A point of reference might be that doing: cat /sys/kernel/debug/dri/0/i915_gem_objects seems either take roughly forever, or is stuck somehow.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>