[CI][SHARDS] igt@gem_eio@kms - dmesg-warn - NMI backtrace for cpu 1 skipped: idling at intel_idle+0x7b/0x120

Submitted by LAKSHMINARAYANA VUDUM @l4kshmi

Assigned to Intel GFX Bugs mailing list

Link to original bug (#112000)

Description

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7062/shard-snb5/igt@gem_eio@kms.html
<3> [1164.891754] rcu: INFO: rcu_preempt self-detected stall on CPU
<3> [1164.891767] rcu: 4-...!: (1 ticks this GP) idle=f0a/0/0x1 softirq=164703/164703 fqs=0
<4> [1164.891780] (t=91152 jiffies g=294577 q=209)
<3> [1164.891788] rcu: rcu_preempt kthread starved for 91152 jiffies! g294577 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
<3> [1164.891803] rcu: RCU grace-period kthread stack dump:
<6> [1164.891811] rcu_preempt I14368 10 2 0x80004000
<4> [1164.891823] Call Trace:
<4> [1164.891833] ? __schedule+0x2ef/0x7f0
<4> [1164.891843] schedule+0x34/0xc0
<4> [1164.891850] schedule_timeout+0x1cc/0x3f0
<4> [1164.891862] ? __next_timer_interrupt+0xc0/0xc0
<4> [1164.891872] rcu_gp_kthread+0x604/0xb70
<4> [1164.891882] ? rcu_barrier_func+0xa0/0xa0
<4> [1164.891891] kthread+0x119/0x130
<4> [1164.891898] ? kthread_park+0x80/0x80
<4> [1164.891907] ret_from_fork+0x3a/0x50
<6> [1164.891921] Sending NMI from CPU 4 to CPUs 0:
<4> [1164.892008] NMI backtrace for cpu 0
<4> [1164.892009] CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G U 5.4.0-rc2-CI-CI_DRM_7062+ #1 (moved)
<4> [1164.892009] Hardware name: Dell Inc. XPS 8300 /0Y2MRG, BIOS A06 10/17/2011
<4> [1164.892010] RIP: 0010:lock_acquire+0xa7/0x1c0
<4> [1164.892011] Code: 24 6a 00 45 89 f0 6a 00 ff 74 24 58 44 89 e9 41 57 44 89 e2 89 ee 49 c1 e9 09 48 89 df 49 83 f1 01 41 83 e1 01 e8 69 08 00 00 <65> 48 8b 04 25 00 5f 01 00 c7 80 8c 08 00 00 00 00 00 00 ff 74 24
<4> [1164.892012] RSP: 0018:ffffc90000057a00 EFLAGS: 00000082
<4> [1164.892013] RAX: 0000000000000000 RBX: ffff888226985a58 RCX: 0000000000000000
<4> [1164.892013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
<4> [1164.892014] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
<4> [1164.892014] R10: 0000000000000000 R11: ffff88820ee58000 R12: 0000000000000000
<4> [1164.892015] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
<4> [1164.892016] FS: 0000000000000000(0000) GS:ffff888227800000(0000) knlGS:0000000000000000
<4> [1164.892016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [1164.892017] CR2: 00007faf9f696000 CR3: 0000000002210002 CR4: 00000000000606f0
<4> [1164.892017] Call Trace:
<4> [1164.892018] ? free_debug_processing+0x37/0x380
<4> [1164.892018] _raw_spin_lock_irqsave+0x33/0x50
<4> [1164.892019] ? free_debug_processing+0x37/0x380
<4> [1164.892019] free_debug_processing+0x37/0x380
<4> [1164.892020] ? arp_process.constprop.24+0x18a/0x9c0
<4> [1164.892020] __slab_free+0x35b/0x520
<4> [1164.892021] ? debug_check_no_obj_freed+0x11d/0x210
<4> [1164.892021] ? kmem_cache_free+0x31f/0x390
<4> [1164.892022] ? arp_process.constprop.24+0x18a/0x9c0
<4> [1164.892023] kmem_cache_free+0x31f/0x390
<4> [1164.892023] arp_process.constprop.24+0x18a/0x9c0
<4> [1164.892024] ? __netif_receive_skb_core+0x24a/0x9f0
<4> [1164.892024] __netif_receive_skb_one_core+0x80/0x90
<4> [1164.892025] netif_receive_skb_internal+0x69/0x1f0
<4> [1164.892025] napi_gro_receive+0x1d3/0x280
<4> [1164.892026] tg3_poll_work+0x976/0xf60 [tg3]
<4> [1164.892026] ? scsi_end_request+0x162/0x360
<4> [1164.892027] tg3_poll+0x6d/0x3a0 [tg3]
<4> [1164.892027] net_rx_action+0x157/0x490
<4> [1164.892028] __do_softirq+0xdf/0x47f
<4> [1164.892028] ? smpboot_thread_fn+0x23/0x280
<4> [1164.892029] ? smpboot_thread_fn+0x6b/0x280
<4> [1164.892029] run_ksoftirqd+0x2b/0x50
<4> [1164.892030] smpboot_thread_fn+0x1d3/0x280
<4> [1164.892030] ? sort_range+0x20/0x20
<4> [1164.892031] kthread+0x119/0x130
<4> [1164.892031] ? kthread_park+0x80/0x80
<4> [1164.892032] ret_from_fork+0x3a/0x50
<6> [1164.892932] Sending NMI from CPU 4 to CPUs 1:
<4> [1164.910889] NMI backtrace for cpu 1 skipped: idling at intel_idle+0x7b/0x120
<6> [1164.910945] Sending NMI from CPU 4 to CPUs 2:
<4> [1164.911029] NMI backtrace for cpu 2
<4> [1164.911030] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G U 5.4.0-rc2-CI-CI_DRM_7062+ #1 (moved)
<4> [1164.911031] Hardware name: Dell Inc. XPS 8300 /0Y2MRG, BIOS A06 10/17/2011
<4> [1164.911031] RIP: 0010:tick_sched_do_timer+0x24/0x50
<4> [1164.911032] Code: ff ff 0f 0b eb e0 55 53 48 89 f5 48 89 fb e8 f3 a6 39 00 8b 15 2d 4c 1e 01 83 fa ff 74 15 39 c2 74 17 0f b6 43 4c a8 01 74 06 <83> c8 10 88 43 4c 5b 5d c3 89 05 0d 4c 1e 01 48 89 e8 48 2b 05 7b
<4> [1164.911033] RSP: 0018:ffffc90000108ee0 EFLAGS: 00000002
<4> [1164.911034] RAX: 0000000000000001 RBX: ffff88822792d9c0 RCX: 0000000000000018
<4> [1164.911035] RDX: 0000000000000002 RSI: 0000010f392ed70f RDI: ffff88822792d9c0
<4> [1164.911035] RBP: 0000010f392ed70f R08: 0000000000000000 R09: 0000000000000000
<4> [1164.911036] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000007fdd8
<4> [1164.911036] R13: ffffffff82340a70 R14: ffff88822792d258 R15: ffffffff8115bf80
<4> [1164.911037] FS: 0000000000000000(0000) GS:ffff888227900000(0000) knlGS:0000000000000000
<4> [1164.911038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [1164.911038] CR2: 00007f5cebe14000 CR3: 0000000002210002 CR4: 00000000000606e0