Re: ✗ Fi.CI.BAT: failure for drm/i915: Disable FDI RX before DDI_BUF_CTL (rev2)

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On Tue, Mar 01, 2016 at 02:55:54PM -0000, Patchwork wrote:
> == Series Details ==
> 
> Series: drm/i915: Disable FDI RX before DDI_BUF_CTL (rev2)
> URL   : https://patchwork.freedesktop.org/series/1582/
> State : failure
> 
> == Summary ==
> 
> Series 1582v2 drm/i915: Disable FDI RX before DDI_BUF_CTL
> http://patchwork.freedesktop.org/api/1.0/series/1582/revisions/2/mbox/
> 
> Test kms_flip:
>         Subgroup basic-flip-vs-dpms:
>                 dmesg-warn -> PASS       (hsw-brixbox)
>         Subgroup basic-flip-vs-modeset:
>                 pass       -> DMESG-WARN (ilk-hp8440p) UNSTABLE

[  131.240747] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
https://bugs.freedesktop.org/show_bug.cgi?id=93787

>         Subgroup basic-flip-vs-wf_vblank:
>                 fail       -> PASS       (snb-x220t)
>                 pass       -> FAIL       (byt-nuc)

(kms_flip:7050) DEBUG: name = vblank
last_ts = 464.937064 usec
last_received_ts = 464.936789 usec
last_seq = 1693
current_ts = 465.120306 usec
current_received_ts = 465.120267 usec
current_seq = 1703
count = 65
seq_step = 10
https://bugs.freedesktop.org/show_bug.cgi?id=94294

> Test kms_pipe_crc_basic:
>         Subgroup nonblocking-crc-pipe-b:
>                 pass       -> DMESG-WARN (ilk-hp8440p)

[  156.976891] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
https://bugs.freedesktop.org/show_bug.cgi?id=93787

>         Subgroup read-crc-pipe-b:
>                 pass       -> DMESG-WARN (snb-x220t)

[  369.954769] WARNING: CPU: 0 PID: 6181 at drivers/gpu/drm/i915/intel_drv.h:1468 gen6_write32+0x1dc/0x270 [i915]()
[  369.954777] Device suspended during HW access
https://bugs.freedesktop.org/show_bug.cgi?id=94349

>         Subgroup suspend-read-crc-pipe-a:
>                 incomplete -> PASS       (hsw-gt2)
>         Subgroup suspend-read-crc-pipe-c:
>                 pass       -> DMESG-WARN (bsw-nuc-2)

[  154.000506] ======================================================
[  154.000507] [ INFO: possible circular locking dependency detected ]
[  154.000512] 4.5.0-rc6-gfxbench+ #1 Tainted: G     U         
[  154.000513] -------------------------------------------------------
[  154.000515] rtcwake/5929 is trying to acquire lock:
[  154.000530]  (s_active#6){++++.+}, at: [<ffffffff8124ec70>]
kernfs_remove_by_name_ns+0x40/0xa0
[  154.000531] 
but task is already holding lock:
[  154.000538]  (cpu_hotplug.lock){+.+.+.}, at: [<ffffffff81078c4d>]
cpu_hotplug_begin+0x6d/0xc0
[  154.000539] 
which lock already depends on the new lock.

[  154.000540] 
the existing dependency chain (in reverse order) is:
[  154.000544] 
-> #3 (cpu_hotplug.lock){+.+.+.}:
[  154.000549]        [<ffffffff810cd09b>] lock_acquire+0xdb/0x1f0
[  154.000554]        [<ffffffff817be602>] mutex_lock_nested+0x62/0x3b0
[  154.000557]        [<ffffffff81078911>] get_online_cpus+0x61/0x80
[  154.000562]        [<ffffffff81117f1b>] stop_machine+0x1b/0xe0
[  154.000614]        [<ffffffffa015f53d>]
gen8_ggtt_insert_entries__BKL+0x2d/0x30 [i915]
[  154.000653]        [<ffffffffa0163b26>] ggtt_bind_vma+0x46/0x70

Filed a new bug https://bugs.freedesktop.org/show_bug.cgi?id=94350

> Test pm_rpm:
>         Subgroup basic-pci-d3-state:
>                 pass       -> DMESG-WARN (bsw-nuc-2)

[  166.979787] [drm:intel_runtime_suspend [i915]] *ERROR* Unclaimed access detected prior to suspending
https://bugs.freedesktop.org/show_bug.cgi?id=94164

>         Subgroup basic-rte:
>                 dmesg-warn -> PASS       (snb-x220t)
> 
> bdw-nuci7        total:169  pass:158  dwarn:0   dfail:0   fail:0   skip:11 
> bdw-ultra        total:169  pass:155  dwarn:0   dfail:0   fail:0   skip:14 
> bsw-nuc-2        total:169  pass:136  dwarn:2   dfail:0   fail:1   skip:30 
> byt-nuc          total:169  pass:143  dwarn:0   dfail:0   fail:1   skip:25 
> hsw-brixbox      total:169  pass:154  dwarn:0   dfail:0   fail:0   skip:15 
> hsw-gt2          total:169  pass:158  dwarn:0   dfail:0   fail:1   skip:10 
> ilk-hp8440p      total:169  pass:116  dwarn:2   dfail:0   fail:1   skip:50 
> ivb-t430s        total:169  pass:153  dwarn:0   dfail:0   fail:1   skip:15 
> skl-i5k-2        total:169  pass:153  dwarn:0   dfail:0   fail:0   skip:16 
> skl-i7k-2        total:169  pass:153  dwarn:0   dfail:0   fail:0   skip:16 
> snb-dellxps      total:169  pass:144  dwarn:1   dfail:0   fail:1   skip:23 
> snb-x220t        total:169  pass:144  dwarn:1   dfail:0   fail:2   skip:22 
> 
> Results at /archive/results/CI_IGT_test/Patchwork_1504/
> 
> deb861ea08c6d5bbf682fb40ea1f0471a448aafd drm-intel-nightly: 2016y-03m-01d-11h-12m-16s UTC integration manifest
> 644bb2727416f9dfb6f1b45bb43291e6ac0e65b2 drm/i915: Disable FDI RX before DDI_BUF_CTL

-- 
Ville Syrjälä
Intel OTC
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