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Message-ID: <20151015192350.GL4267@pd.tnic>
Date: Thu, 15 Oct 2015 21:23:50 +0200
From: Borislav Petkov <bp@...en8.de>
To: Daniel Vetter <daniel@...ll.ch>
Cc: Maling list - DRI developers <dri-devel@...ts.freedesktop.org>,
lkml <linux-kernel@...r.kernel.org>
Subject: WARNING: CPU: 1 PID: 2914 at drivers/gpu/drm/drm_atomic.c:889
drm_atomic_get_property+0x244/0x2d0()
Hi Daniel,
just triggered the below, this time on the Intel box. Maybe related to
the locking fun from a couple weeks ago?
I'm doing
$ powertop --auto-tune
---
...
[ 5.118418] EXT4-fs (sdb3): mounted filesystem with ordered data mode. Opts: (null)
[ 5.209310] EXT4-fs (sda4): mounted filesystem with ordered data mode. Opts: (null)
[ 5.770286] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 5.786260] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 5.981207] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input7
[ 6.081468] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input19
[ 7.283179] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
[ 7.284652] e1000e 0000:00:19.0 eth0: 10/100 speed: disabling TSO
[ 7.286295] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 36.269136] iwlwifi 0000:03:00.0: L1 Enabled - LTR Disabled
[ 39.673321] ------------[ cut here ]------------
[ 39.673335] WARNING: CPU: 1 PID: 2914 at drivers/gpu/drm/drm_atomic.c:889 drm_atomic_get_property+0x244/0x2d0()
[ 39.673338] Modules linked in: msr cpufreq_powersave cpufreq_userspace cpufreq_conservative cpufreq_stats binfmt_misc uinput ext2 vfat fat fuse loop dm_crypt dm_mod hid_generic usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support arc4 x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel hmac drbg snd_hda_intel aesni_intel sdhci_pci snd_hda_codec aes_x86_64 glue_helper lrw sdhci gf128mul ablk_helper cryptd mmc_core snd_hwdep snd_hda_core pcspkr sg serio_raw snd_pcm lpc_ich i2c_i801 mfd_core snd_timer thinkpad_acpi wmi nvram snd battery ac soundcore e1000e ehci_pci led_class xhci_pci xhci_hcd ehci_hcd processor thermal [last unloaded: cfg80211]
[ 39.673430] CPU: 1 PID: 2914 Comm: powertop Not tainted 4.3.0-rc5+ #1
[ 39.673433] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 39.673436] ffffffff81aacd61 ffff8800c9953c88 ffffffff812f558c 0000000000000000
[ 39.673442] ffff8800c9953cc0 ffffffff8105d346 ffff8800ca5e8828 ffff880213586480
[ 39.673448] ffff8800ca5e8800 ffff880212d5af00 ffff880212900000 ffff8800c9953cd0
[ 39.673453] Call Trace:
[ 39.673462] [<ffffffff812f558c>] dump_stack+0x4e/0x82
[ 39.673467] [<ffffffff8105d346>] warn_slowpath_common+0x86/0xc0
[ 39.673470] [<ffffffff8105d43a>] warn_slowpath_null+0x1a/0x20
[ 39.673474] [<ffffffff8140b494>] drm_atomic_get_property+0x244/0x2d0
[ 39.673480] [<ffffffff813f8aec>] drm_object_property_get_value+0x6c/0x70
[ 39.673484] [<ffffffff813f6aef>] dpms_show+0x2f/0x70
[ 39.673489] [<ffffffff814c7af0>] dev_attr_show+0x20/0x50
[ 39.673496] [<ffffffff812331e1>] ? sysfs_file_ops+0x41/0x60
[ 39.673500] [<ffffffff812334f8>] sysfs_kf_seq_show+0xa8/0x110
[ 39.673505] [<ffffffff81231bc6>] kernfs_seq_show+0x26/0x30
[ 39.673510] [<ffffffff811e0549>] seq_read+0xe9/0x3c0
[ 39.673515] [<ffffffff81232597>] kernfs_fop_read+0x127/0x170
[ 39.673521] [<ffffffff810ab7d9>] ? __lock_is_held+0x49/0x70
[ 39.673526] [<ffffffff811b8fe8>] __vfs_read+0x28/0xd0
[ 39.673531] [<ffffffff811c9203>] ? putname+0x53/0x60
[ 39.673537] [<ffffffff810ca866>] ? rcu_read_lock_sched_held+0x86/0x90
[ 39.673543] [<ffffffff811a7ae2>] ? kmem_cache_free+0x242/0x2b0
[ 39.673547] [<ffffffff811b95f6>] vfs_read+0x86/0x130
[ 39.673551] [<ffffffff811ba399>] SyS_read+0x49/0xa0
[ 39.673557] [<ffffffff816cd81b>] entry_SYSCALL_64_fastpath+0x16/0x73
[ 39.673561] ---[ end trace a2c68cbdb04620ef ]---
[ 76.694895] ------------[ cut here ]------------
[ 76.694910] WARNING: CPU: 0 PID: 2960 at drivers/gpu/drm/drm_atomic.c:889 drm_atomic_get_property+0x244/0x2d0()
[ 76.694914] Modules linked in: msr cpufreq_powersave cpufreq_userspace cpufreq_conservative cpufreq_stats binfmt_misc uinput ext2 vfat fat fuse loop dm_crypt dm_mod hid_generic usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support arc4 x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel hmac drbg snd_hda_intel aesni_intel sdhci_pci snd_hda_codec aes_x86_64 glue_helper lrw sdhci gf128mul ablk_helper cryptd mmc_core snd_hwdep snd_hda_core pcspkr sg serio_raw snd_pcm lpc_ich i2c_i801 mfd_core snd_timer thinkpad_acpi wmi nvram snd battery ac soundcore e1000e ehci_pci led_class xhci_pci xhci_hcd ehci_hcd processor thermal [last unloaded: cfg80211]
[ 76.695014] CPU: 0 PID: 2960 Comm: powertop Tainted: G W 4.3.0-rc5+ #1
[ 76.695017] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 76.695020] ffffffff81aacd61 ffff880211b73c88 ffffffff812f558c 0000000000000000
[ 76.695027] ffff880211b73cc0 ffffffff8105d346 ffff8800ca5e8828 ffff880213586480
[ 76.695033] ffff8800ca5e8800 ffff8800c9bf2100 ffff880211f75000 ffff880211b73cd0
[ 76.695040] Call Trace:
[ 76.695050] [<ffffffff812f558c>] dump_stack+0x4e/0x82
[ 76.695055] [<ffffffff8105d346>] warn_slowpath_common+0x86/0xc0
[ 76.695059] [<ffffffff8105d43a>] warn_slowpath_null+0x1a/0x20
[ 76.695063] [<ffffffff8140b494>] drm_atomic_get_property+0x244/0x2d0
[ 76.695069] [<ffffffff813f8aec>] drm_object_property_get_value+0x6c/0x70
[ 76.695073] [<ffffffff813f6aef>] dpms_show+0x2f/0x70
[ 76.695078] [<ffffffff814c7af0>] dev_attr_show+0x20/0x50
[ 76.695086] [<ffffffff812331e1>] ? sysfs_file_ops+0x41/0x60
[ 76.695090] [<ffffffff812334f8>] sysfs_kf_seq_show+0xa8/0x110
[ 76.695096] [<ffffffff81231bc6>] kernfs_seq_show+0x26/0x30
[ 76.695101] [<ffffffff811e0549>] seq_read+0xe9/0x3c0
[ 76.695106] [<ffffffff81232597>] kernfs_fop_read+0x127/0x170
[ 76.695112] [<ffffffff810ab7d9>] ? __lock_is_held+0x49/0x70
[ 76.695118] [<ffffffff811b8fe8>] __vfs_read+0x28/0xd0
[ 76.695123] [<ffffffff811c9203>] ? putname+0x53/0x60
[ 76.695130] [<ffffffff810ca866>] ? rcu_read_lock_sched_held+0x86/0x90
[ 76.695135] [<ffffffff811a7ae2>] ? kmem_cache_free+0x242/0x2b0
[ 76.695140] [<ffffffff811b95f6>] vfs_read+0x86/0x130
[ 76.695144] [<ffffffff811ba399>] SyS_read+0x49/0xa0
[ 76.695151] [<ffffffff816cd81b>] entry_SYSCALL_64_fastpath+0x16/0x73
[ 76.695155] ---[ end trace a2c68cbdb04620f0 ]---
[ 96.870930] ------------[ cut here ]------------
[ 96.870944] WARNING: CPU: 3 PID: 2960 at drivers/gpu/drm/drm_atomic.c:889 drm_atomic_get_property+0x244/0x2d0()
[ 96.870948] Modules linked in: msr cpufreq_powersave cpufreq_userspace cpufreq_conservative cpufreq_stats binfmt_misc uinput ext2 vfat fat fuse loop dm_crypt dm_mod hid_generic usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support arc4 x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel hmac drbg snd_hda_intel aesni_intel sdhci_pci snd_hda_codec aes_x86_64 glue_helper lrw sdhci gf128mul ablk_helper cryptd mmc_core snd_hwdep snd_hda_core pcspkr sg serio_raw snd_pcm lpc_ich i2c_i801 mfd_core snd_timer thinkpad_acpi wmi nvram snd battery ac soundcore e1000e ehci_pci led_class xhci_pci xhci_hcd ehci_hcd processor thermal [last unloaded: cfg80211]
[ 96.871047] CPU: 3 PID: 2960 Comm: powertop Tainted: G W 4.3.0-rc5+ #1
[ 96.871050] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 96.871053] ffffffff81aacd61 ffff880211b73c88 ffffffff812f558c 0000000000000000
[ 96.871060] ffff880211b73cc0 ffffffff8105d346 ffff8800ca5e8828 ffff880213586480
[ 96.871066] ffff8800ca5e8800 ffff880211eb7f00 ffff8802136db000 ffff880211b73cd0
[ 96.871072] Call Trace:
[ 96.871082] [<ffffffff812f558c>] dump_stack+0x4e/0x82
[ 96.871087] [<ffffffff8105d346>] warn_slowpath_common+0x86/0xc0
[ 96.871091] [<ffffffff8105d43a>] warn_slowpath_null+0x1a/0x20
[ 96.871096] [<ffffffff8140b494>] drm_atomic_get_property+0x244/0x2d0
[ 96.871102] [<ffffffff813f8aec>] drm_object_property_get_value+0x6c/0x70
[ 96.871105] [<ffffffff813f6aef>] dpms_show+0x2f/0x70
[ 96.871111] [<ffffffff814c7af0>] dev_attr_show+0x20/0x50
[ 96.871117] [<ffffffff812331e1>] ? sysfs_file_ops+0x41/0x60
[ 96.871122] [<ffffffff812334f8>] sysfs_kf_seq_show+0xa8/0x110
[ 96.871127] [<ffffffff81231bc6>] kernfs_seq_show+0x26/0x30
[ 96.871133] [<ffffffff811e0549>] seq_read+0xe9/0x3c0
[ 96.871138] [<ffffffff81232597>] kernfs_fop_read+0x127/0x170
[ 96.871144] [<ffffffff810ab7d9>] ? __lock_is_held+0x49/0x70
[ 96.871149] [<ffffffff811b8fe8>] __vfs_read+0x28/0xd0
[ 96.871155] [<ffffffff811c9203>] ? putname+0x53/0x60
[ 96.871161] [<ffffffff810ca866>] ? rcu_read_lock_sched_held+0x86/0x90
[ 96.871167] [<ffffffff811a7ae2>] ? kmem_cache_free+0x242/0x2b0
[ 96.871171] [<ffffffff811b95f6>] vfs_read+0x86/0x130
[ 96.871175] [<ffffffff811ba399>] SyS_read+0x49/0xa0
[ 96.871182] [<ffffffff816cd81b>] entry_SYSCALL_64_fastpath+0x16/0x73
[ 96.871186] ---[ end trace a2c68cbdb04620f1 ]---
[ 117.755501] ------------[ cut here ]------------
[ 117.755517] WARNING: CPU: 1 PID: 2960 at drivers/gpu/drm/drm_atomic.c:889 drm_atomic_get_property+0x244/0x2d0()
[ 117.755520] Modules linked in: msr cpufreq_powersave cpufreq_userspace cpufreq_conservative cpufreq_stats binfmt_misc uinput ext2 vfat fat fuse loop dm_crypt dm_mod hid_generic usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support arc4 x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel hmac drbg snd_hda_intel aesni_intel sdhci_pci snd_hda_codec aes_x86_64 glue_helper lrw sdhci gf128mul ablk_helper cryptd mmc_core snd_hwdep snd_hda_core pcspkr sg serio_raw snd_pcm lpc_ich i2c_i801 mfd_core snd_timer thinkpad_acpi wmi nvram snd battery ac soundcore e1000e ehci_pci led_class xhci_pci xhci_hcd ehci_hcd processor thermal [last unloaded: cfg80211]
[ 117.755619] CPU: 1 PID: 2960 Comm: powertop Tainted: G W 4.3.0-rc5+ #1
[ 117.755623] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 117.755626] ffffffff81aacd61 ffff880211b73c88 ffffffff812f558c 0000000000000000
[ 117.755633] ffff880211b73cc0 ffffffff8105d346 ffff8800ca5e8828 ffff880213586480
[ 117.755639] ffff8800ca5e8800 ffff880212f22f00 ffff880212902000 ffff880211b73cd0
[ 117.755645] Call Trace:
[ 117.755655] [<ffffffff812f558c>] dump_stack+0x4e/0x82
[ 117.755660] [<ffffffff8105d346>] warn_slowpath_common+0x86/0xc0
[ 117.755664] [<ffffffff8105d43a>] warn_slowpath_null+0x1a/0x20
[ 117.755669] [<ffffffff8140b494>] drm_atomic_get_property+0x244/0x2d0
[ 117.755675] [<ffffffff813f8aec>] drm_object_property_get_value+0x6c/0x70
[ 117.755679] [<ffffffff813f6aef>] dpms_show+0x2f/0x70
[ 117.755684] [<ffffffff814c7af0>] dev_attr_show+0x20/0x50
[ 117.755691] [<ffffffff812331e1>] ? sysfs_file_ops+0x41/0x60
[ 117.755695] [<ffffffff812334f8>] sysfs_kf_seq_show+0xa8/0x110
[ 117.755701] [<ffffffff81231bc6>] kernfs_seq_show+0x26/0x30
[ 117.755706] [<ffffffff811e0549>] seq_read+0xe9/0x3c0
[ 117.755711] [<ffffffff81232597>] kernfs_fop_read+0x127/0x170
[ 117.755717] [<ffffffff810ab7d9>] ? __lock_is_held+0x49/0x70
[ 117.755723] [<ffffffff811b8fe8>] __vfs_read+0x28/0xd0
[ 117.755728] [<ffffffff811c9203>] ? putname+0x53/0x60
[ 117.755735] [<ffffffff810ca866>] ? rcu_read_lock_sched_held+0x86/0x90
[ 117.755740] [<ffffffff811a7ae2>] ? kmem_cache_free+0x242/0x2b0
[ 117.755745] [<ffffffff811b95f6>] vfs_read+0x86/0x130
[ 117.755749] [<ffffffff811ba399>] SyS_read+0x49/0xa0
[ 117.755756] [<ffffffff816cd81b>] entry_SYSCALL_64_fastpath+0x16/0x73
[ 117.755760] ---[ end trace a2c68cbdb04620f2 ]---
[ 138.580203] ------------[ cut here ]------------
[ 138.580218] WARNING: CPU: 1 PID: 2960 at drivers/gpu/drm/drm_atomic.c:889 drm_atomic_get_property+0x244/0x2d0()
[ 138.580221] Modules linked in: msr cpufreq_powersave cpufreq_userspace cpufreq_conservative cpufreq_stats binfmt_misc uinput ext2 vfat fat fuse loop dm_crypt dm_mod hid_generic usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support arc4 x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel hmac drbg snd_hda_intel aesni_intel sdhci_pci snd_hda_codec aes_x86_64 glue_helper lrw sdhci gf128mul ablk_helper cryptd mmc_core snd_hwdep snd_hda_core pcspkr sg serio_raw snd_pcm lpc_ich i2c_i801 mfd_core snd_timer thinkpad_acpi wmi nvram snd battery ac soundcore e1000e ehci_pci led_class xhci_pci xhci_hcd ehci_hcd processor thermal [last unloaded: cfg80211]
[ 138.580315] CPU: 1 PID: 2960 Comm: powertop Tainted: G W 4.3.0-rc5+ #1
[ 138.580317] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 138.580320] ffffffff81aacd61 ffff880211b73c88 ffffffff812f558c 0000000000000000
[ 138.580327] ffff880211b73cc0 ffffffff8105d346 ffff8800ca5e8828 ffff880213586480
[ 138.580333] ffff8800ca5e8800 ffff880212f22900 ffff880212901000 ffff880211b73cd0
[ 138.580339] Call Trace:
[ 138.580348] [<ffffffff812f558c>] dump_stack+0x4e/0x82
[ 138.580353] [<ffffffff8105d346>] warn_slowpath_common+0x86/0xc0
[ 138.580357] [<ffffffff8105d43a>] warn_slowpath_null+0x1a/0x20
[ 138.580361] [<ffffffff8140b494>] drm_atomic_get_property+0x244/0x2d0
[ 138.580367] [<ffffffff813f8aec>] drm_object_property_get_value+0x6c/0x70
[ 138.580371] [<ffffffff813f6aef>] dpms_show+0x2f/0x70
[ 138.580376] [<ffffffff814c7af0>] dev_attr_show+0x20/0x50
[ 138.580382] [<ffffffff812331e1>] ? sysfs_file_ops+0x41/0x60
[ 138.580387] [<ffffffff812334f8>] sysfs_kf_seq_show+0xa8/0x110
[ 138.580392] [<ffffffff81231bc6>] kernfs_seq_show+0x26/0x30
[ 138.580397] [<ffffffff811e0549>] seq_read+0xe9/0x3c0
[ 138.580402] [<ffffffff81232597>] kernfs_fop_read+0x127/0x170
[ 138.580407] [<ffffffff810ab7d9>] ? __lock_is_held+0x49/0x70
[ 138.580413] [<ffffffff811b8fe8>] __vfs_read+0x28/0xd0
[ 138.580418] [<ffffffff811c9203>] ? putname+0x53/0x60
[ 138.580424] [<ffffffff810ca866>] ? rcu_read_lock_sched_held+0x86/0x90
[ 138.580430] [<ffffffff811a7ae2>] ? kmem_cache_free+0x242/0x2b0
[ 138.580434] [<ffffffff811b95f6>] vfs_read+0x86/0x130
[ 138.580438] [<ffffffff811ba399>] SyS_read+0x49/0xa0
[ 138.580444] [<ffffffff816cd81b>] entry_SYSCALL_64_fastpath+0x16/0x73
[ 138.580448] ---[ end trace a2c68cbdb04620f3 ]---
[ 159.413703] ------------[ cut here ]------------
[ 159.413718] WARNING: CPU: 0 PID: 2960 at drivers/gpu/drm/drm_atomic.c:889 drm_atomic_get_property+0x244/0x2d0()
[ 159.413721] Modules linked in: msr cpufreq_powersave cpufreq_userspace cpufreq_conservative cpufreq_stats binfmt_misc uinput ext2 vfat fat fuse loop dm_crypt dm_mod hid_generic usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support arc4 x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel hmac drbg snd_hda_intel aesni_intel sdhci_pci snd_hda_codec aes_x86_64 glue_helper lrw sdhci gf128mul ablk_helper cryptd mmc_core snd_hwdep snd_hda_core pcspkr sg serio_raw snd_pcm lpc_ich i2c_i801 mfd_core snd_timer thinkpad_acpi wmi nvram snd battery ac soundcore e1000e ehci_pci led_class xhci_pci xhci_hcd ehci_hcd processor thermal [last unloaded: cfg80211]
[ 159.413820] CPU: 0 PID: 2960 Comm: powertop Tainted: G W 4.3.0-rc5+ #1
[ 159.413823] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 159.413826] ffffffff81aacd61 ffff880211b73c88 ffffffff812f558c 0000000000000000
[ 159.413833] ffff880211b73cc0 ffffffff8105d346 ffff8800ca5e8828 ffff880213586480
[ 159.413839] ffff8800ca5e8800 ffff8800c9bf2f00 ffff880211f73000 ffff880211b73cd0
[ 159.413846] Call Trace:
[ 159.413855] [<ffffffff812f558c>] dump_stack+0x4e/0x82
[ 159.413861] [<ffffffff8105d346>] warn_slowpath_common+0x86/0xc0
[ 159.413865] [<ffffffff8105d43a>] warn_slowpath_null+0x1a/0x20
[ 159.413869] [<ffffffff8140b494>] drm_atomic_get_property+0x244/0x2d0
[ 159.413875] [<ffffffff813f8aec>] drm_object_property_get_value+0x6c/0x70
[ 159.413879] [<ffffffff813f6aef>] dpms_show+0x2f/0x70
[ 159.413885] [<ffffffff814c7af0>] dev_attr_show+0x20/0x50
[ 159.413891] [<ffffffff812331e1>] ? sysfs_file_ops+0x41/0x60
[ 159.413896] [<ffffffff812334f8>] sysfs_kf_seq_show+0xa8/0x110
[ 159.413901] [<ffffffff81231bc6>] kernfs_seq_show+0x26/0x30
[ 159.413907] [<ffffffff811e0549>] seq_read+0xe9/0x3c0
[ 159.413912] [<ffffffff81232597>] kernfs_fop_read+0x127/0x170
[ 159.413918] [<ffffffff810ab7d9>] ? __lock_is_held+0x49/0x70
[ 159.413924] [<ffffffff811b8fe8>] __vfs_read+0x28/0xd0
[ 159.413929] [<ffffffff811c9203>] ? putname+0x53/0x60
[ 159.413935] [<ffffffff810ca866>] ? rcu_read_lock_sched_held+0x86/0x90
[ 159.413941] [<ffffffff811a7ae2>] ? kmem_cache_free+0x242/0x2b0
[ 159.413946] [<ffffffff811b95f6>] vfs_read+0x86/0x130
[ 159.413950] [<ffffffff811ba399>] SyS_read+0x49/0xa0
[ 159.413957] [<ffffffff816cd81b>] entry_SYSCALL_64_fastpath+0x16/0x73
[ 159.413961] ---[ end trace a2c68cbdb04620f4 ]---
[ 170.880984] ------------[ cut here ]------------
[ 170.880998] WARNING: CPU: 1 PID: 2960 at drivers/gpu/drm/drm_atomic.c:889 drm_atomic_get_property+0x244/0x2d0()
[ 170.881001] Modules linked in: msr cpufreq_powersave cpufreq_userspace cpufreq_conservative cpufreq_stats binfmt_misc uinput ext2 vfat fat fuse loop dm_crypt dm_mod hid_generic usbhid hid snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support arc4 x86_pkg_temp_thermal coretemp kvm_intel kvm crc32_pclmul crc32c_intel ghash_clmulni_intel hmac drbg snd_hda_intel aesni_intel sdhci_pci snd_hda_codec aes_x86_64 glue_helper lrw sdhci gf128mul ablk_helper cryptd mmc_core snd_hwdep snd_hda_core pcspkr sg serio_raw snd_pcm lpc_ich i2c_i801 mfd_core snd_timer thinkpad_acpi wmi nvram snd battery ac soundcore e1000e ehci_pci led_class xhci_pci xhci_hcd ehci_hcd processor thermal [last unloaded: cfg80211]
[ 170.881093] CPU: 1 PID: 2960 Comm: powertop Tainted: G W 4.3.0-rc5+ #1
[ 170.881096] Hardware name: LENOVO 2320CTO/2320CTO, BIOS G2ET86WW (2.06 ) 11/13/2012
[ 170.881099] ffffffff81aacd61 ffff880211b73c88 ffffffff812f558c 0000000000000000
[ 170.881105] ffff880211b73cc0 ffffffff8105d346 ffff8800ca5e8828 ffff880213586480
[ 170.881111] ffff8800ca5e8800 ffff880212f22300 ffff880212904000 ffff880211b73cd0
[ 170.881117] Call Trace:
[ 170.881126] [<ffffffff812f558c>] dump_stack+0x4e/0x82
[ 170.881130] [<ffffffff8105d346>] warn_slowpath_common+0x86/0xc0
[ 170.881134] [<ffffffff8105d43a>] warn_slowpath_null+0x1a/0x20
[ 170.881138] [<ffffffff8140b494>] drm_atomic_get_property+0x244/0x2d0
[ 170.881144] [<ffffffff813f8aec>] drm_object_property_get_value+0x6c/0x70
[ 170.881147] [<ffffffff813f6aef>] dpms_show+0x2f/0x70
[ 170.881152] [<ffffffff814c7af0>] dev_attr_show+0x20/0x50
[ 170.881158] [<ffffffff812331e1>] ? sysfs_file_ops+0x41/0x60
[ 170.881163] [<ffffffff812334f8>] sysfs_kf_seq_show+0xa8/0x110
[ 170.881168] [<ffffffff81231bc6>] kernfs_seq_show+0x26/0x30
[ 170.881173] [<ffffffff811e0549>] seq_read+0xe9/0x3c0
[ 170.881177] [<ffffffff81232597>] kernfs_fop_read+0x127/0x170
[ 170.881183] [<ffffffff810ab7d9>] ? __lock_is_held+0x49/0x70
[ 170.881188] [<ffffffff811b8fe8>] __vfs_read+0x28/0xd0
[ 170.881193] [<ffffffff811c9203>] ? putname+0x53/0x60
[ 170.881198] [<ffffffff810ca866>] ? rcu_read_lock_sched_held+0x86/0x90
[ 170.881203] [<ffffffff811a7ae2>] ? kmem_cache_free+0x242/0x2b0
[ 170.881207] [<ffffffff811b95f6>] vfs_read+0x86/0x130
[ 170.881211] [<ffffffff811ba399>] SyS_read+0x49/0xa0
[ 170.881217] [<ffffffff816cd81b>] entry_SYSCALL_64_fastpath+0x16/0x73
[ 170.881221] ---[ end trace a2c68cbdb04620f5 ]---
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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