Hello linux-rt list, After swith to a radeon HD5850, i have a full graphic hang when an application require lot of GPU. Kill this application (via ssh) resume the normal operation. I run Debian SID, it's happen with both linux-image-4.9.0.1-rt-amd64 and linux-image-4.9.0.2-rt-amd64. Extract of my syslog (full version at http://kalaj.darktech.org/~wargreen/logs/radeon/syslog) : Feb 19 23:17:19 LaChoze kernel: [ 605.169580] INFO: task Xorg:2014 blocked for more than 120 seconds. Feb 19 23:17:19 LaChoze kernel: [ 605.169588] Not tainted 4.9.0-1-rt-amd64 #1 Feb 19 23:17:19 LaChoze kernel: [ 605.169590] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 19 23:17:19 LaChoze kernel: [ 605.169593] Xorg D 0 2014 2012 0x00000004 Feb 19 23:17:19 LaChoze kernel: [ 605.169598] ffff9235afe24800 0000000000000000 ffff9235b6c69200 ffff9235b12e9f80 Feb 19 23:17:19 LaChoze kernel: [ 605.169602] ffff9235b4e4ee40 ffffa16b023a7be8 ffffffff85a16cbf 00ff9235b12e9f80 Feb 19 23:17:19 LaChoze kernel: [ 605.169606] ffff9235b6c69200 ffff9235b12e9f80 ffff9235b12e9f80 0000000000000000 Feb 19 23:17:19 LaChoze kernel: [ 605.169611] Call Trace: Feb 19 23:17:19 LaChoze kernel: [ 605.169620] [<ffffffff85a16cbf>] ? __schedule+0x26f/0x5b0 Feb 19 23:17:19 LaChoze kernel: [ 605.169623] [<ffffffff85a17043>] ? schedule+0x43/0xc0 Feb 19 23:17:19 LaChoze kernel: [ 605.169625] [<ffffffff85a18aa3>] ? __rt_mutex_slowlock+0x83/0x150 Feb 19 23:17:19 LaChoze kernel: [ 605.169628] [<ffffffff85a18fcc>] ? rt_mutex_slowlock+0x11c/0x2a0 Feb 19 23:17:19 LaChoze kernel: [ 605.169633] [<ffffffff854cd9d4>] ? rt_down_read+0x24/0x30 Feb 19 23:17:19 LaChoze kernel: [ 605.169663] [<ffffffffc0b2eaf7>] ? radeon_gem_create_ioctl+0x37/0x100 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169680] [<ffffffffc09f9b9a>] ? drm_ioctl+0x1ea/0x470 [drm] Feb 19 23:17:19 LaChoze kernel: [ 605.169703] [<ffffffffc0b2eac0>] ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169706] [<ffffffff8547dc82>] ? unpin_current_cpu+0x12/0x70 Feb 19 23:17:19 LaChoze kernel: [ 605.169723] [<ffffffffc0afd049>] ? radeon_drm_ioctl+0x49/0x80 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169726] [<ffffffff856257bf>] ? do_vfs_ioctl+0x9f/0x610 Feb 19 23:17:19 LaChoze kernel: [ 605.169730] [<ffffffff858f2e4d>] ? __sys_recvmsg+0x7d/0x90 Feb 19 23:17:19 LaChoze kernel: [ 605.169733] [<ffffffff85625da4>] ? SyS_ioctl+0x74/0x80 Feb 19 23:17:19 LaChoze kernel: [ 605.169736] [<ffffffff85a1b27b>] ? system_call_fast_compare_end+0xc/0x9b Feb 19 23:17:19 LaChoze kernel: [ 605.169770] INFO: task E.d3d9.OpenGL:4263 blocked for more than 120 seconds. Feb 19 23:17:19 LaChoze kernel: [ 605.169773] Not tainted 4.9.0-1-rt-amd64 #1 Feb 19 23:17:19 LaChoze kernel: [ 605.169774] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 19 23:17:19 LaChoze kernel: [ 605.169776] E.d3d9.OpenGL D 0 4263 4243 0x20020000 Feb 19 23:17:19 LaChoze kernel: [ 605.169779] ffff9235b0839b00 0000000000000000 ffff9235b6ce9200 ffff92341d6a4ec0 Feb 19 23:17:19 LaChoze kernel: [ 605.169783] ffff9235b4e4af40 ffffa16b020a3b40 ffffffff85a16cbf 0000000000000000 Feb 19 23:17:19 LaChoze kernel: [ 605.169787] ffff9235b6ce9200 ffff92341d6a4ec0 ffff92341d6a4ec0 0000000000000000 Feb 19 23:17:19 LaChoze kernel: [ 605.169791] Call Trace: Feb 19 23:17:19 LaChoze kernel: [ 605.169795] [<ffffffff85a16cbf>] ? __schedule+0x26f/0x5b0 Feb 19 23:17:19 LaChoze kernel: [ 605.169798] [<ffffffff85a17043>] ? schedule+0x43/0xc0 Feb 19 23:17:19 LaChoze kernel: [ 605.169800] [<ffffffff85a18aa3>] ? __rt_mutex_slowlock+0x83/0x150 Feb 19 23:17:19 LaChoze kernel: [ 605.169802] [<ffffffff85a18fcc>] ? rt_mutex_slowlock+0x11c/0x2a0 Feb 19 23:17:19 LaChoze kernel: [ 605.169805] [<ffffffff854cd9d4>] ? rt_down_read+0x24/0x30 Feb 19 23:17:19 LaChoze kernel: [ 605.169827] [<ffffffffc0b1becd>] ? radeon_bo_create+0x15d/0x280 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169849] [<ffffffffc0b2e6ce>] ? radeon_gem_object_create+0xbe/0x1a0 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169870] [<ffffffffc0b2eb29>] ? radeon_gem_create_ioctl+0x69/0x100 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169884] [<ffffffffc09f9b9a>] ? drm_ioctl+0x1ea/0x470 [drm] Feb 19 23:17:19 LaChoze kernel: [ 605.169905] [<ffffffffc0b2eac0>] ? radeon_gem_pwrite_ioctl+0x30/0x30 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169908] [<ffffffff8547dc82>] ? unpin_current_cpu+0x12/0x70 Feb 19 23:17:19 LaChoze kernel: [ 605.169924] [<ffffffffc0afd049>] ? radeon_drm_ioctl+0x49/0x80 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169950] [<ffffffffc0be89c0>] ? radeon_kms_compat_ioctl+0x10/0x20 [radeon] Feb 19 23:17:19 LaChoze kernel: [ 605.169953] [<ffffffff8566e4ec>] ? compat_SyS_ioctl+0xbc/0x1140 Feb 19 23:17:19 LaChoze kernel: [ 605.169956] [<ffffffff85a1704d>] ? schedule+0x4d/0xc0 Feb 19 23:17:19 LaChoze kernel: [ 605.169959] [<ffffffff85403e1d>] ? do_fast_syscall_32+0x8d/0x170 Feb 19 23:17:19 LaChoze kernel: [ 605.169962] [<ffffffff85a1caac>] ? entry_SYSENTER_compat+0x4c/0x5b [...] Feb 19 23:19:20 LaChoze kernel: [ 726.004439] INFO: task gnome-shell:1825 blocked for more than 120 seconds. Feb 19 23:19:20 LaChoze kernel: [ 726.004447] Not tainted 4.9.0-1-rt-amd64 #1 Feb 19 23:19:20 LaChoze kernel: [ 726.004449] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Feb 19 23:19:20 LaChoze kernel: [ 726.004452] gnome-shell D 0 1825 1817 0x00000000 Feb 19 23:19:20 LaChoze kernel: [ 726.004457] ffff9235b3591200 0000000000000000 ffff9235b6d69200 ffff923596402f40 Feb 19 23:19:20 LaChoze kernel: [ 726.004461] ffff9235b4e49f80 ffffa16b01f67be8 ffffffff85a16cbf 0000000000000000 Feb 19 23:19:20 LaChoze kernel: [ 726.004465] ffff9235b6d69200 0000000000000001 ffff923596402f40 0000000000000000 Feb 19 23:19:20 LaChoze kernel: [ 726.004469] Call Trace: [.....] Is there a workaround ? I'm here for more informations or tests. Thanks for the RT ! -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
