[Bug 106948] [CI] igt@* - dmesg-warn/fail - WARN_ON(dev_priv->uncore.funcs.mmio_readl(dev_priv, (((const i915_reg_t){ .reg = (0x6f900) })), true) & (1<<31))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106948

--- Comment #7 from Martin Peres <martin.peres at free.fr> ---
We also have ~80 failures like this on fi-cnl-psr:

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_67/fi-cnl-psr/igt@gem_ctx_isolation@bcs0-none.html

[   98.026022] ------------[ cut here ]------------
[   98.026024] WARN_ON(dev_priv->uncore.funcs.mmio_readl(dev_priv, (((const
i915_reg_t){ .reg = (0x6f900) })), true) & (1 << 31))
[   98.026095] WARNING: CPU: 3 PID: 49 at drivers/gpu/drm/i915/intel_psr.c:580
intel_psr_activate+0xd3/0x100 [i915]
[   98.026097] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul snd_hda_intel ghash_clmulni_intel snd_hda_codec
e1000e snd_hwdep snd_hda_core snd_pcm mei_me mei prime_numbers
[   98.026124] CPU: 3 PID: 49 Comm: kworker/3:1 Tainted: G     U  W        
4.18.0-rc1-g93475d62c730-drmtip_67+ #1
[   98.026125] Hardware name: Intel Corporation CannonLake Client
Platform/CannonLake Y LPDDR4 RVP, BIOS CNLSFWR1.R00.X114.B11.1712190231
12/19/2017
[   98.026165] Workqueue: events intel_psr_work [i915]
[   98.026206] RIP: 0010:intel_psr_activate+0xd3/0x100 [i915]
[   98.026207] Code: 48 c7 c6 58 54 69 c0 48 c7 c7 aa e9 66 c0 e8 54 da aa ec
0f 0b eb 8d 48 c7 c6 30 53 69 c0 48 c7 c7 aa e9 66 c0 e8 3d da aa ec <0f> 0b e9
5c ff ff ff 48 c7 c6 ad e9 66 c0 48 c7 c7 aa e9 66 c0 e8 
[   98.026273] RSP: 0018:ffff9bdf80237e20 EFLAGS: 00010282
[   98.026276] RAX: 0000000000000000 RBX: ffff98bfcdb80000 RCX:
0000000000000001
[   98.026278] RDX: 0000000080000001 RSI: ffffffffae086d8e RDI:
00000000ffffffff
[   98.026279] RBP: ffff98bfcec6a260 R08: 00000000fac6fc42 R09:
0000000000000000
[   98.026281] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff98bfcdb80000
[   98.026282] R13: 000000000006f940 R14: 00000000f0000000 R15:
0000000000000000
[   98.026284] FS:  0000000000000000(0000) GS:ffff98bff1180000(0000)
knlGS:0000000000000000
[   98.026285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.026287] CR2: 00007ffc372b6fb8 CR3: 0000000263210004 CR4:
0000000000760ee0
[   98.026288] PKRU: 55555554
[   98.026289] Call Trace:
[   98.026330]  ? intel_psr_work+0xcf/0xe0 [i915]
[   98.026336]  ? process_one_work+0x248/0x6c0
[   98.026344]  ? worker_thread+0x1fb/0x380
[   98.026348]  ? process_one_work+0x6c0/0x6c0
[   98.026350]  ? kthread+0x119/0x130
[   98.026353]  ? kthread_flush_work_fn+0x10/0x10
[   98.026358]  ? ret_from_fork+0x3a/0x50
[   98.026368] irq event stamp: 150722
[   98.026371] hardirqs last  enabled at (150721): [<ffffffffad0fdc6c>]
vprintk_emit+0x4bc/0x4d0
[   98.026374] hardirqs last disabled at (150722): [<ffffffffada0111c>]
error_entry+0x7c/0x100
[   98.026376] softirqs last  enabled at (150400): [<ffffffffad0a7ea8>]
process_one_work+0x248/0x6c0
[   98.026379] softirqs last disabled at (150396): [<ffffffffad81b15c>]
neigh_periodic_work+0x2c/0x300
[   98.026417] WARNING: CPU: 3 PID: 49 at drivers/gpu/drm/i915/intel_psr.c:580
intel_psr_activate+0xd3/0x100 [i915]
[   98.026419] ---[ end trace 586dc221fee64efc ]---

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