igt@i915_selftest@live@gt_lrc - incomplete - RIP: 0010:find_kallsyms_symbol
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_12142/fi-tgl-dsi/igt@i915_selftest@live@gt_lrc.html
<3> [585.804216] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
<3> [585.804362] rcu: 6-...0: (209 ticks this GP) idle=f1bc/1/0x4000000000000000 softirq=66203/66205 fqs=14464
<0> [585.804406] <idle>-0 4..s1. 516699958us : trace_ports: 0000:00:02.0 bcs0: promote { ccid:60000020 b809:1174! prio 0 }
<0> [585.804828] <idle>-0 4..s1. 516699964us : process_csb: 0000:00:02.0 bcs0: csb[5]: status=0x00008000:0x03ff8018
<4> [585.805077] (detected by 0, t=65002 jiffies, g=168229, q=11590 ncpus=8)
<6> [585.805105] Sending NMI from CPU 0 to CPUs 6:
<4> [585.805145] NMI backtrace for cpu 6
<4> [585.805158] CPU: 6 PID: 5594 Comm: i915_selftest Tainted: G U 6.0.0-rc5-CI_DRM_12142-g8334180f6fee+ #1
<4> [585.805179] Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake Y LPDDR4x T4 Crb, BIOS TGLSFWI1.R00.2527.A03.2001170231 01/17/2020
<4> [585.805195] RIP: 0010:find_kallsyms_symbol+0x90/0x200
<4> [585.805235] Code: 8b 5b 08 83 fa 01 0f 86 11 01 00 00 48 83 c3 18 45 31 d2 bd 01 00 00 00 66 83 7b 06 00 0f 84 81 00 00 00 44 8b 23 4d 03 66 10 <41> 0f b6 04 24 84 c0 74 71 4c 8b 6b 08 3c 2e 0f 84 f3 00 00 00 3c
<4> [585.805251] RSP: 0018:ffffc90000eeb778 EFLAGS: 00000086
<4> [585.805273] RAX: 0000000000000069 RBX: ffffffffa03fe980 RCX: 0000000000000000
<4> [585.805287] RDX: 00000000000045b2 RSI: ffffffff822ebcd4 RDI: ffffffff82348367
<4> [585.805299] RBP: 0000000000002d10 R08: 000000000044c000 R09: ffffffffa091d850
<4> [585.805308] R10: 0000000000001f0e R11: ffffffffa091d480 R12: ffffffffa04578c3
<4> [585.805316] R13: ffffffffa0996040 R14: ffffffffa047a240 R15: ffffffffa091d4fb
<4> [585.805325] FS: 00007fccd68da4c0(0000) GS:ffff8883a3d00000(0000) knlGS:0000000000000000
<4> [585.805337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [585.805347] CR2: 000055e6b23c0540 CR3: 0000000103bba005 CR4: 0000000000770ee0
<4> [585.805359] PKRU: 55555554
<4> [585.805366] Call Trace:
<4> [585.805374] <TASK>
<4> [585.805384] ? i915_request_retire.part.64+0x7b/0x3d0 [i915]
<4> [585.806255] ? i915_request_retire.part.64+0x7b/0x3d0 [i915]
<4> [585.807066] ? i915_request_retire.part.64+0x7b/0x3d0 [i915]
<4> [585.808129] module_address_lookup+0x5e/0xb0
<4> [585.808149] ? i915_request_retire.part.64+0x7b/0x3d0 [i915]
<4> [585.809208] trace_seq_print_sym+0x8e/0xb0
<4> [585.809227] ? write_enabled_file_bool+0x45/0x170
<4> [585.809259] ? vsnprintf+0x105/0x520
<4> [585.809294] ? seq_buf_vprintf+0x2a/0x60
<4> [585.809310] ? trace_seq_printf+0x76/0xf0
<4> [585.809344] ? i915_request_retire.part.64+0x7b/0x3d0 [i915]
<4> [585.810387] seq_print_ip_sym+0x1d/0x70
<4> [585.810405] trace_bprint_print+0x26/0x60
<4> [585.810422] print_trace_line+0x215/0x4d0
<4> [585.810456] ftrace_dump.cold.110+0x5c/0xec
<4> [585.810487] live_pphwsp_runtime.cold.81+0x25/0xa7 [i915]
<4> [585.811924] __i915_subtests.cold.7+0x3f/0x92 [i915]
<4> [585.813291] ? __i915_live_teardown+0x30/0x30 [i915]
<4> [585.814537] ? __intel_gt_live_setup+0x30/0x30 [i915]
<4> [585.815696] __run_selftests.part.3+0xf7/0x158 [i915]
<4> [585.817043] i915_live_selftests.cold.5+0x1f/0x4f [i915]
<4> [585.818254] i915_pci_probe+0xda/0x260 [i915]
<4> [585.819410] ? _raw_spin_unlock_irqrestore+0x3d/0x70
<4> [585.819440] pci_device_probe+0x95/0x110
<4> [585.819468] really_probe+0xd6/0x350
<4> [585.819491] ? pm_runtime_barrier+0x4b/0xa0
<4> [585.819520] __driver_probe_device+0x73/0x170
<4> [585.819546] driver_probe_device+0x1a/0x90
<4> [585.819571] __driver_attach+0xbc/0x190
<4> [585.819584] ? __device_attach_driver+0x110/0x110
<4> [585.819599] ? __device_attach_driver+0x110/0x110
<4> [585.819614] bus_for_each_dev+0x72/0xc0
<4> [585.819643] bus_add_driver+0x1bb/0x210
<4> [585.819672] driver_register+0x66/0xc0
<4> [585.819690] i915_init+0x1f/0x82 [i915]
<4> [585.820773] ? 0xffffffffa03ba000
<4> [585.820786] do_one_initcall+0x53/0x2f0
<4> [585.820803] ? do_init_module+0x1d/0x1c0
<4> [585.820817] ? rcu_read_lock_sched_held+0x51/0x80
<4> [585.820841] ? kmem_cache_alloc_trace+0x1b6/0x260
<4> [585.820865] do_init_module+0x45/0x1c0
<4> [585.820882] load_module+0x1cd5/0x1ec0
<4> [585.820950] ? __do_sys_finit_module+0xaf/0x120
<4> [585.820965] __do_sys_finit_module+0xaf/0x120
<4> [585.821012] do_syscall_64+0x37/0x90
<4> [585.821030] entry_SYSCALL_64_after_hwframe+0x63/0xcd
<4> [585.821047] RIP: 0033:0x7fccd8b2989d
<4> [585.821061] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c3 f5 0c 00 f7 d8 64 89 01 48
<4> [585.821073] RSP: 002b:00007fff08c93858 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
<4> [585.821089] RAX: ffffffffffffffda RBX: 000055649d9f98a0 RCX: 00007fccd8b2989d
<4> [585.821098] RDX: 0000000000000000 RSI: 000055649d9f9920 RDI: 0000000000000006
<4> [585.821106] RBP: 0000000000000020 R08: 00007fff08c92630 R09: 000055649d9ed5e0
<4> [585.821115] R10: 00007fff08c939a0 R11: 0000000000000246 R12: 000055649d9f9920
<4> [585.821124] R13: 0000000000000000 R14: 000055649da04980 R15: 000055649d9f98a