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Message-ID: <20160310060451.GA12063@yexl-desktop>
Date: Thu, 10 Mar 2016 14:04:51 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Matt Roper <matthew.d.roper@...el.com>
Cc: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp] [drm/i915] ed4a6a7ca8: WARNING: CPU: 0 PID: 650 at
drivers/gpu/drm/i915/intel_drv.h:1470 gen6_write32+0x131/0x1b0 [i915]()
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit ed4a6a7ca853253f9b86f3005d76345482a71283 ("drm/i915: Add two-stage ILK-style watermark programming (v11)")
<5>[ 17.105319] Key type id_resolver registered
<5>[ 17.105566] Key type id_legacy registered
<4>[ 19.890693] ------------[ cut here ]------------
<4>[ 19.890985] WARNING: CPU: 0 PID: 650 at drivers/gpu/drm/i915/intel_drv.h:1470 gen6_write32+0x131/0x1b0 [i915]()
<4>[ 19.891606] Device suspended during HW access
<4>[ 19.891843] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver sg sd_mod snd_hda_codec_hdmi x86_pkg_temp_thermal coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel ahci aesni_intel snd_hda_codec_realtek libahci snd_hda_codec_generic ppdev lrw firewire_ohci gf128mul glue_helper ablk_helper cryptd serio_raw pcspkr libata firewire_core crc_itu_t snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep i915 snd_pcm snd_timer video drm_kms_helper syscopyarea snd sysfillrect sysimgblt shpchp soundcore fb_sys_fops drm parport_pc parport nuvoton_cir rc_core
<4>[ 19.895094] CPU: 0 PID: 650 Comm: pm_rpm Not tainted 4.5.0-rc3-00396-ged4a6a7 #1
<4>[ 19.895476] Hardware name: /DH67GD, BIOS BLH6710H.86A.0132.2011.1007.1505 10/07/2011
<4>[ 19.895947] 0000000000000000 ffff8800bceeb938 ffffffff8141e3aa ffff8800bceeb980
<4>[ 19.896364] ffffffffa026c660 ffff8800bceeb970 ffffffff81078ec6 0000000000070001
<4>[ 19.896777] 0000000000045110 ffff8800bdae0000 0000000000000000 0000000016304d06
<4>[ 19.897194] Call Trace:
<4>[ 19.897336] [<ffffffff8141e3aa>] dump_stack+0x63/0x89
<4>[ 19.897606] [<ffffffff81078ec6>] warn_slowpath_common+0x86/0xc0
<4>[ 19.897917] [<ffffffff81078f4c>] warn_slowpath_fmt+0x4c/0x50
<4>[ 19.898216] [<ffffffff810a216d>] ? ttwu_do_activate+0x5d/0x70
<4>[ 19.898592] [<ffffffffa01dd661>] gen6_write32+0x131/0x1b0 [i915]
<4>[ 19.898918] [<ffffffffa0190e3d>] _ilk_disable_lp_wm+0x9d/0xe0 [i915]
<4>[ 19.899263] [<ffffffffa0196584>] ilk_program_watermarks+0x4f4/0x9b0 [i915]
<4>[ 19.899633] [<ffffffffa0196b53>] ilk_optimize_watermarks+0x113/0x130 [i915]
<4>[ 19.900019] [<ffffffffa0201663>] intel_atomic_commit+0x8b3/0xd60 [i915]
<4>[ 19.900384] [<ffffffffa009a43d>] ? drm_atomic_set_crtc_for_connector+0x3d/0xf0 [drm]
<4>[ 19.900803] [<ffffffffa009aea7>] drm_atomic_commit+0x37/0x60 [drm]
<4>[ 19.901132] [<ffffffffa013f637>] drm_atomic_helper_set_config+0x77/0xb0 [drm_kms_helper]
<4>[ 19.901560] [<ffffffffa008a7f2>] drm_mode_set_config_internal+0x62/0x100 [drm]
<4>[ 19.901950] [<ffffffffa008edd9>] drm_mode_setcrtc+0x189/0x4f0 [drm]
<4>[ 19.902285] [<ffffffffa0080a62>] drm_ioctl+0x142/0x590 [drm]
<4>[ 19.902595] [<ffffffffa008ec50>] ? drm_mode_setplane+0x1b0/0x1b0 [drm]
<4>[ 19.902943] [<ffffffff81204eef>] do_vfs_ioctl+0x8f/0x670
<4>[ 19.903224] [<ffffffff813acba3>] ? security_file_ioctl+0x43/0x60
<4>[ 19.903543] [<ffffffff81205549>] SyS_ioctl+0x79/0x90
<4>[ 19.903807] [<ffffffff818dad2e>] entry_SYSCALL_64_fastpath+0x12/0x6d
<4>[ 19.904156] ---[ end trace 2fe52dffb2d62414 ]---
<4>[ 19.904156] ---[ end trace 2fe52dffb2d62414 ]---
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Xiaolong Ye
View attachment "config-4.5.0-rc3-00396-ged4a6a7" of type "text/plain" (145438 bytes)
Download attachment "kmsg.xz" of type "application/octet-stream" (20424 bytes)
View attachment "job.yaml" of type "text/plain" (2823 bytes)
View attachment "reproduce" of type "text/plain" (164 bytes)
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