Package: bugs.debian.org
Severity: important
Dear Maintainer,
*** Reporter, please consider answering these questions, where appropriate ***
* What led up to the situation?
I think some update I made. I use latest debian testing amd64 + xfce +
lightdm
* What exactly did you do (or not do) that was effective (or
ineffective)?
I can't tell how reproduce it but it happens randomly on lock screen.
* What was the outcome of this action?
Hangs system, can't event got into tty with alt + ctrl + f1
* What outcome did you expect instead?
Just lock my PC.
* Logs
Apr 12 11:04:33 debian NetworkManager[708]: <info> [1460451873.9939] device
(tun0): state change: ip-check -> secondaries (reason 'none') [80 90 0]
Apr 12 11:04:33 debian NetworkManager[708]: <info> [1460451873.9942] device
(tun0): state change: secondaries -> activated (reason 'none') [90 100 0]
Apr 12 11:04:33 debian NetworkManager[708]: <info> [1460451873.9987] device
(tun0): Activation: successful, device activated.
Apr 12 11:04:34 debian systemd[1]: Starting Network Manager Script Dispatcher
Service...
Apr 12 11:04:34 debian dbus[694]: [system] Successfully activated service
'org.freedesktop.nm_dispatcher'
Apr 12 11:04:34 debian systemd[1]: Started Network Manager Script Dispatcher
Service.
Apr 12 11:04:34 debian nm-dispatcher: req:1 'vpn-up' [tun0]: new request (1
scripts)
Apr 12 11:04:34 debian nm-dispatcher: req:1 'vpn-up' [tun0]: start running
ordered scripts...
Apr 12 11:04:34 debian nm-dispatcher: req:2 'up' [tun0]: new request (1
scripts)
Apr 12 11:04:34 debian nm-dispatcher: req:2 'up' [tun0]: start running ordered
scripts...
Apr 12 11:06:41 debian lightdm[791]: ** (process:3975): WARNING **: Error
getting user list from org.freedesktop.Accounts:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.Accounts was not provided by any .service files
Apr 12 11:06:41 debian systemd[1]: Started Session c2 of user lightdm.
Apr 12 11:06:48 debian lightdm[791]: ** (process:4001): WARNING **: Error
getting user list from org.freedesktop.Accounts:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.Accounts was not provided by any .service files
Apr 12 11:06:53 debian kernel: [ 417.832046] ------------[ cut here
]------------
Apr 12 11:06:53 debian kernel: [ 417.832060] WARNING: CPU: 2 PID: 885 at
/build/linux-dFNWCu/linux-4.4.6/include/linux/kref.h:46
drm_framebuffer_reference+0x40/0x70 [drm]()
Apr 12 11:06:53 debian kernel: [ 417.832088] Modules linked in: tun ctr ccm
rfcomm fuse pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) snd_hda_codec_hdmi
bnep vboxdrv(O) arc4 iTCO_wdt iTCO_vendor_support intel_rapl
x86_pkg_temp_thermal dell_wmi intel_powerclamp sparse_keymap coretemp kvm_intel
uvcvideo dell_laptop dcdbas videobuf2_vmalloc dell_smm_hwmon videobuf2_memops
btusb videobuf2_v4l2 btrtl iwlmvm videobuf2_core kvm v4l2_common btbcm videodev
btintel bluetooth irqbypass media evdev joydev mac80211 serio_raw pcspkr sg
iwlwifi dell_led i915 lpc_ich mfd_core i2c_i801 cfg80211 snd_hda_codec_realtek
snd_hda_codec_generic shpchp drm_kms_helper drm snd_hda_intel mei_me
snd_hda_codec mei i2c_algo_bit snd_hda_core snd_hwdep wmi battery 8250_fintek
snd_soc_rt5640 snd_soc_rl6231 int3403_thermal snd_soc_core snd_pcm dw_dmac
dw_dmac_core snd_timer snd_soc_sst_acpi dell_smo8800 elan_i2c video snd
soundcore regmap_i2c dell_rbtn acpi_als processor_thermal_device
intel_soc_dts_iosf i2c_designware_platform kfifo_buf iosf_mbi rfkill
industrialio int3400_thermal i2c_designware_core int3402_thermal tpm_tis
acpi_thermal_rel int340x_thermal_zone tpm button ac acpi_pad processor
parport_pc ppdev lp parport autofs4 ext4 crc16 mbcache jbd2 algif_skcipher
af_alg hid_generic usbhid dm_crypt dm_mod sd_mod crct10dif_pclmul crc32_pclmul
crc32c_intel jitterentropy_rng sha256_ssse3 sha256_generic hmac drbg ahci
libahci ansi_cprng aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper
cryptd libata sdhci_pci xhci_pci ehci_pci psmouse scsi_mod e1000e xhci_hcd
ehci_hcd usbcore ptp pps_core usb_common fan thermal sdhci_acpi sdhci mmc_core
fjes i2c_hid hid
Apr 12 11:06:53 debian kernel: [ 417.832119] CPU: 2 PID: 885 Comm: Xorg
Tainted: G O 4.4.0-1-amd64 #1 Debian 4.4.6-1
Apr 12 11:06:53 debian kernel: [ 417.832120] Hardware name: Dell Inc. Latitude
E5450/ , BIOS A05 01/05/2015
Apr 12 11:06:53 debian kernel: [ 417.832122] 0000000000000286
000000006d44fa5c ffffffff812ea865 0000000000000000
Apr 12 11:06:53 debian kernel: [ 417.832123] ffffffffa06767e8
ffffffff810774fd ffff880409747a00 ffff8800a38fd880
Apr 12 11:06:53 debian kernel: [ 417.832124] ffff8800a38fd880
ffff8800d635a800 ffff88040ae35000 ffffffffa064e030
Apr 12 11:06:53 debian kernel: [ 417.832124] Call Trace:
Apr 12 11:06:53 debian kernel: [ 417.832128] [<ffffffff812ea865>] ?
dump_stack+0x5c/0x77
Apr 12 11:06:53 debian kernel: [ 417.832130] [<ffffffff810774fd>] ?
warn_slowpath_common+0x7d/0xb0
Apr 12 11:06:53 debian kernel: [ 417.832138] [<ffffffffa064e030>] ?
drm_framebuffer_reference+0x40/0x70 [drm]
Apr 12 11:06:53 debian kernel: [ 417.832148] [<ffffffffa065f6e8>] ?
drm_atomic_set_fb_for_plane+0x28/0x80 [drm]
Apr 12 11:06:53 debian kernel: [ 417.832154] [<ffffffffa06d4c99>] ?
__drm_atomic_helper_set_config+0xd9/0x3c0 [drm_kms_helper]
Apr 12 11:06:53 debian kernel: [ 417.832158] [<ffffffffa06d6b1f>] ?
drm_fb_helper_pan_display+0x17f/0x220 [drm_kms_helper]
Apr 12 11:06:53 debian kernel: [ 417.832179] [<ffffffffa086e3b6>] ?
intel_fbdev_pan_display+0x16/0x60 [i915]
Apr 12 11:06:53 debian kernel: [ 417.832181] [<ffffffff813597e3>] ?
soft_cursor+0x193/0x210
Apr 12 11:06:53 debian kernel: [ 417.832183] [<ffffffff8135e289>] ?
fb_pan_display+0xc9/0x150
Apr 12 11:06:53 debian kernel: [ 417.832184] [<ffffffff813589ba>] ?
bit_update_start+0x1a/0x40
Apr 12 11:06:53 debian kernel: [ 417.832185] [<ffffffff81355b61>] ?
fbcon_switch+0x391/0x610
Apr 12 11:06:53 debian kernel: [ 417.832187] [<ffffffff813cfff9>] ?
redraw_screen+0x199/0x280
Apr 12 11:06:53 debian kernel: [ 417.832189] [<ffffffff81354eec>] ?
fbcon_blank+0x11c/0x330
Apr 12 11:06:53 debian kernel: [ 417.832191] [<ffffffff810a87f0>] ?
check_preempt_wakeup+0xe0/0x1e0
Apr 12 11:06:53 debian kernel: [ 417.832192] [<ffffffff813d1428>] ?
do_unblank_screen+0xd8/0x1a0
Apr 12 11:06:53 debian kernel: [ 417.832195] [<ffffffff813c6ae4>] ?
complete_change_console+0x54/0xd0
Apr 12 11:06:53 debian kernel: [ 417.832196] [<ffffffff813c7238>] ?
vt_ioctl+0x6d8/0x1290
Apr 12 11:06:53 debian kernel: [ 417.832204] [<ffffffffa0645452>] ?
drm_ioctl+0x162/0x4c0 [drm]
Apr 12 11:06:53 debian kernel: [ 417.832205] [<ffffffff813bae6c>] ?
tty_ioctl+0x33c/0xbf0
Apr 12 11:06:53 debian kernel: [ 417.832207] [<ffffffff811ea25e>] ?
do_vfs_ioctl+0x2ae/0x490
Apr 12 11:06:53 debian kernel: [ 417.832209] [<ffffffff811d76e7>] ?
vfs_write+0x157/0x1a0
Apr 12 11:06:53 debian kernel: [ 417.832210] [<ffffffff811ea4b4>] ?
SyS_ioctl+0x74/0x80
Apr 12 11:06:53 debian kernel: [ 417.832212] [<ffffffff8158ec32>] ?
system_call_fast_compare_end+0xc/0x67
Apr 12 11:06:53 debian kernel: [ 417.832213] ---[ end trace c28ebd1dca463a1c
]---
Apr 12 11:06:53 debian lightdm[791]: ** (process:4026): WARNING **: Error
getting user list from org.freedesktop.Accounts:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.Accounts was not provided by any .service files
Apr 12 11:06:53 debian systemd[1]: Started Session c3 of user lightdm.
Apr 12 11:07:00 debian lightdm[791]: ** (process:4050): WARNING **: Error
getting user list from org.freedesktop.Accounts:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.Accounts was not provided by any .service files
Apr 12 11:07:00 debian lightdm[791]: ** (lightdm:791): WARNING **: Error using
VT_WAITACTIVE 7 on /dev/tty0: Interrupted system call
Apr 12 11:07:07 debian lightdm[791]: ** (process:4073): WARNING **: Error
getting user list from org.freedesktop.Accounts:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.Accounts was not provided by any .service files
Apr 12 11:07:07 debian systemd[1]: Started Session c4 of user lightdm.
Apr 12 11:07:14 debian lightdm[791]: ** (process:4098): WARNING **: Error
getting user list from org.freedesktop.Accounts:
GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name
org.freedesktop.Accounts was not provided by any .service files
Apr 12 11:07:14 debian lightdm[791]: ** (lightdm:791): WARNING **: Error using
VT_WAITACTIVE 7 on /dev/tty0: Interrupted system call
Apr 12 11:07:20 debian kernel: [ 444.828121] BUG: unable to handle kernel NULL
pointer dereference at 0000000000000008
Apr 12 11:07:20 debian kernel: [ 444.828146] IP: [<ffffffffa0864ad0>]
intel_fb_obj_invalidate+0x10/0xf0 [i915]
Apr 12 11:07:20 debian kernel: [ 444.828147] PGD 0
Apr 12 11:07:20 debian kernel: [ 444.828148] Oops: 0000 [#1] SMP
Apr 12 11:07:20 debian kernel: [ 444.828168] Modules linked in: tun ctr ccm
rfcomm fuse pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) snd_hda_codec_hdmi
bnep vboxdrv(O) arc4 iTCO_wdt iTCO_vendor_support intel_rapl
x86_pkg_temp_thermal dell_wmi intel_powerclamp sparse_keymap coretemp kvm_intel
uvcvideo dell_laptop dcdbas videobuf2_vmalloc dell_smm_hwmon videobuf2_memops
btusb videobuf2_v4l2 btrtl iwlmvm videobuf2_core kvm v4l2_common btbcm videodev
btintel bluetooth irqbypass media evdev joydev mac80211 serio_raw pcspkr sg
iwlwifi dell_led i915 lpc_ich mfd_core i2c_i801 cfg80211 snd_hda_codec_realtek
snd_hda_codec_generic shpchp drm_kms_helper drm snd_hda_intel mei_me
snd_hda_codec mei i2c_algo_bit snd_hda_core snd_hwdep wmi battery 8250_fintek
snd_soc_rt5640 snd_soc_rl6231 int3403_thermal snd_soc_core snd_pcm dw_dmac
dw_dmac_core snd_timer snd_soc_sst_acpi dell_smo8800 elan_i2c video snd
soundcore regmap_i2c dell_rbtn acpi_als processor_thermal_device
intel_soc_dts_iosf i2c_designware_platform kfifo_buf iosf_mbi rfkill
industrialio int3400_thermal i2c_designware_core int3402_thermal tpm_tis
acpi_thermal_rel int340x_thermal_zone tpm button ac acpi_pad processor
parport_pc ppdev lp parport autofs4 ext4 crc16 mbcache jbd2 algif_skcipher
af_alg hid_generic usbhid dm_crypt dm_mod sd_mod crct10dif_pclmul crc32_pclmul
crc32c_intel jitterentropy_rng sha256_ssse3 sha256_generic hmac drbg ahci
libahci ansi_cprng aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper
cryptd libata sdhci_pci xhci_pci ehci_pci psmouse scsi_mod e1000e xhci_hcd
ehci_hcd usbcore ptp pps_core usb_common fan thermal sdhci_acpi sdhci mmc_core
fjes i2c_hid hid
Apr 12 11:07:20 debian kernel: [ 444.828191] CPU: 2 PID: 885 Comm: Xorg
Tainted: G W O 4.4.0-1-amd64 #1 Debian 4.4.6-1
Apr 12 11:07:20 debian kernel: [ 444.828192] Hardware name: Dell Inc. Latitude
E5450/ , BIOS A05 01/05/2015
Apr 12 11:07:20 debian kernel: [ 444.828193] task: ffff8800d5aa5280 ti:
ffff880408998000 task.ti: ffff880408998000
Apr 12 11:07:20 debian kernel: [ 444.828210] RIP: 0010:[<ffffffffa0864ad0>]
[<ffffffffa0864ad0>] intel_fb_obj_invalidate+0x10/0xf0 [i915]
Apr 12 11:07:20 debian kernel: [ 444.828211] RSP: 0018:ffff88040899baa8
EFLAGS: 00010246
Apr 12 11:07:20 debian kernel: [ 444.828212] RAX: ffff8800d5aa5280 RBX:
ffff8804083c1300 RCX: ffff88012e119e40
Apr 12 11:07:20 debian kernel: [ 444.828212] RDX: ffff880409747a00 RSI:
0000000000000000 RDI: 0000000000000000
Apr 12 11:07:20 debian kernel: [ 444.828213] RBP: 0000000000000000 R08:
ffffea000c7aec5f R09: 0000000000000007
Apr 12 11:07:20 debian kernel: [ 444.828213] R10: ffff880331e78880 R11:
ffff88033fe6cd80 R12: 0000000000000000
Apr 12 11:07:20 debian kernel: [ 444.828214] R13: ffff8800d6394860 R14:
0000000000000080 R15: ffff8800d6394800
Apr 12 11:07:20 debian kernel: [ 444.828215] FS: 00007f939b414a00(0000)
GS:ffff88041e500000(0000) knlGS:0000000000000000
Apr 12 11:07:20 debian kernel: [ 444.828215] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Apr 12 11:07:20 debian kernel: [ 444.828216] CR2: 0000000000000008 CR3:
00000000d6058000 CR4: 00000000003426e0
Apr 12 11:07:20 debian kernel: [ 444.828216] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Apr 12 11:07:20 debian kernel: [ 444.828217] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Apr 12 11:07:20 debian kernel: [ 444.828217] Stack:
Apr 12 11:07:20 debian kernel: [ 444.828218] ffff8804083c1300
0000000000000000 0000000000200001 ffff8800d6394860
Apr 12 11:07:20 debian kernel: [ 444.828219] 0000000000000080
ffffffffa086e4a0 0000000006fb7b80 ffff88040899bc78
Apr 12 11:07:20 debian kernel: [ 444.828220] ffffffff8135e6d8
0000000000000000 ffff88040899bb84 ffff88040899bb84
Apr 12 11:07:20 debian kernel: [ 444.828221] Call Trace:
Apr 12 11:07:20 debian kernel: [ 444.828238] [<ffffffffa086e4a0>] ?
intel_fbdev_set_par+0x40/0x60 [i915]
Apr 12 11:07:20 debian kernel: [ 444.828242] [<ffffffff8135e6d8>] ?
fb_set_var+0x208/0x400
Apr 12 11:07:20 debian kernel: [ 444.828244] [<ffffffff811ec056>] ?
do_sys_poll+0x146/0x560
Apr 12 11:07:20 debian kernel: [ 444.828247] [<ffffffff810a8386>] ?
update_curr+0xb6/0x130
Apr 12 11:07:20 debian kernel: [ 444.828249] [<ffffffff810ab5e9>] ?
enqueue_entity+0x359/0x9b0
Apr 12 11:07:20 debian kernel: [ 444.828250] [<ffffffff813550c1>] ?
fbcon_blank+0x2f1/0x330
Apr 12 11:07:20 debian kernel: [ 444.828252] [<ffffffff81020c64>] ?
__switch_to_xtra+0x194/0x1b0
Apr 12 11:07:20 debian kernel: [ 444.828254] [<ffffffff813d1428>] ?
do_unblank_screen+0xd8/0x1a0
Apr 12 11:07:20 debian kernel: [ 444.828256] [<ffffffff813c6ae4>] ?
complete_change_console+0x54/0xd0
Apr 12 11:07:20 debian kernel: [ 444.828258] [<ffffffff813c7238>] ?
vt_ioctl+0x6d8/0x1290
Apr 12 11:07:20 debian kernel: [ 444.828269] [<ffffffffa0645452>] ?
drm_ioctl+0x162/0x4c0 [drm]
Apr 12 11:07:20 debian kernel: [ 444.828271] [<ffffffff813bae6c>] ?
tty_ioctl+0x33c/0xbf0
Apr 12 11:07:20 debian kernel: [ 444.828273] [<ffffffff811ea25e>] ?
do_vfs_ioctl+0x2ae/0x490
Apr 12 11:07:20 debian kernel: [ 444.828275] [<ffffffff811d76e7>] ?
vfs_write+0x157/0x1a0
Apr 12 11:07:20 debian kernel: [ 444.828276] [<ffffffff811ea4b4>] ?
SyS_ioctl+0x74/0x80
Apr 12 11:07:20 debian kernel: [ 444.828278] [<ffffffff8158ec32>] ?
system_call_fast_compare_end+0xc/0x67
Apr 12 11:07:20 debian kernel: [ 444.828290] Code: ef 5b 5d 41 5c 41 5d 41 5e
e9 bd f7 ff ff 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 56 41
55 41 54 55 41 89 f4 53 <48> 8b 6f 08 48 89 fb 8b 45 60 4c 8b 6d 28 83 f8 01 74
5e 8b b3
Apr 12 11:07:20 debian kernel: [ 444.828308] RIP [<ffffffffa0864ad0>]
intel_fb_obj_invalidate+0x10/0xf0 [i915]
Apr 12 11:07:20 debian kernel: [ 444.828308] RSP <ffff88040899baa8>
Apr 12 11:07:20 debian kernel: [ 444.828309] CR2: 0000000000000008
Apr 12 11:07:20 debian kernel: [ 444.828310] ---[ end trace c28ebd1dca463a1d
]---
Apr 12 11:07:41 debian systemd[1]: Stopping Authenticate and Authorize Users to
Run Privileged Tasks...
-- System Information:
Debian Release: stretch/sid
APT prefers testing-updates
APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.4.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=pl_PL.utf8, LC_CTYPE=pl_PL.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
