Created attachment 113909 [details] dmesg ==System Environment== -------------------------- Regression: not sure, it has bug 88308 no-working platforms: HSW/BDW ==kernel== -------------------------- drm-intel-nightly/855932144a48a66081a62288bea6f2bbbf48e2e7 commit 855932144a48a66081a62288bea6f2bbbf48e2e7 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri Feb 27 20:02:52 2015 +0100 drm-intel-nightly: 2015y-02m-27d-18h-58m-02s UTC integration manifest ==Bug detailed description== ----------------------------- It causes system hang on the latest -nightly kernel. It has bug 88308, I am not sure it's regression. output: IGT-Version: 1.9-gf26d8a0 (x86_64) (Linux: 4.0.0-rc1_drm-intel-nightly_855932_20150228+ x86_64) call trace: [ 418.187275] <IRQ> [<ffffffff81076ac9>] ? rcu_dump_cpu_stacks+0x63/0x83 [ 418.187300] [<ffffffff810791eb>] ? rcu_check_callbacks+0x202/0x5e9 [ 418.187317] [<ffffffff81080f85>] ? timekeeping_update.constprop.7+0xc5/0xef [ 418.187337] [<ffffffff81087a7d>] ? tick_sched_handle+0x3a/0x3a [ 418.187353] [<ffffffff8107ca6d>] ? update_process_times+0x24/0x47 [ 418.187370] [<ffffffff81087a72>] ? tick_sched_handle+0x2f/0x3a [ 418.187386] [<ffffffff81087aac>] ? tick_sched_timer+0x2f/0x55 [ 418.187401] [<ffffffff8107ce04>] ? __run_hrtimer+0x70/0x14d [ 418.187416] [<ffffffff8107d566>] ? hrtimer_interrupt+0xcb/0x1b4 [ 418.187433] [<ffffffff81026c31>] ? smp_apic_timer_interrupt+0x34/0x43 [ 418.187451] [<ffffffff81799caa>] ? apic_timer_interrupt+0x6a/0x70 [ 418.187467] <EOI> [<ffffffffa00991b6>] ? i915_gem_retire_requests_ring+0x9a/0x159 [i915] [ 418.187506] [<ffffffff81342bca>] ? __sg_page_iter_next+0x3c/0x60 [ 418.187522] [<ffffffff81342bcf>] ? __sg_page_iter_next+0x41/0x60 [ 418.187543] [<ffffffffa00fe1bc>] ? i915_gem_execbuffer_relocate_entry+0x25a/0x4a4 [i915] [ 418.187567] [<ffffffffa00fdf72>] ? i915_gem_execbuffer_relocate_entry+0x10/0x4a4 [i915] [ 418.187592] [<ffffffffa00fe475>] ? i915_gem_execbuffer_relocate_vma+0x6f/0xad [i915] [ 418.187618] [<ffffffffa0092a9b>] ? i915_gem_do_execbuffer.isra.12+0x622/0xd3b [i915] [ 418.187643] [<ffffffffa009db1b>] ? i915_gem_object_set_to_gtt_domain+0xbe/0x140 [i915] [ 418.187665] [<ffffffff8110b446>] ? __kmalloc+0x65/0x13d [ 418.187685] [<ffffffffa00940f0>] ? i915_gem_execbuffer2+0x16e/0x206 [i915] [ 418.187705] [<ffffffffa00047d4>] ? drm_ioctl+0x344/0x3b3 [drm] [ 418.187725] [<ffffffffa0093f82>] ? i915_gem_execbuffer+0x339/0x339 [i915] [ 418.187744] [<ffffffff810a26d3>] ? __audit_syscall_exit+0x203/0x21f [ 418.187761] [<ffffffff8111fa62>] ? do_vfs_ioctl+0x360/0x424 [ 418.187775] [<ffffffff810a24b0>] ? __audit_syscall_entry+0xb3/0xd3 [ 418.187792] [<ffffffff8100d493>] ? syscall_trace_enter_phase1+0x11a/0x123 [ 418.187811] [<ffffffff8111fb6f>] ? SyS_ioctl+0x49/0x7a [ 418.187825] [<ffffffff817990ae>] ? int_check_syscall_exit_work+0x34/0x3d [ 418.187844] [<ffffffff81798e92>] ? system_call_fastpath+0x12/0x17 [ 495.347309] INFO: rcu_sched self-detected stall on CPU { 0} (t=60000 jiffies g=3235 c=3234 q=5859) [ 495.347364] Task dump for CPU 0: [ 495.347374] gem_exec_big R running task 0 3929 3829 0x0000008c [ 495.347394] ffffffff81bc4480 0000000000000000 ffffffff81076ac9 0000000000000000 [ 495.347417] ffffffff81bc4480 ffff88011ea14000 ffff8800da0a7928 0000000000000000 [ 495.347891] ffffffff810791eb 000000011ea133c0 00000000000016e3 00000f4240000000 ==Reproduce steps== ---------------------------- 1. ./gem_exec_big
*** This bug has been marked as a duplicate of bug 88308 ***
Closing old verified.
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