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Bug#839617: linux 4.6 - 4.7.5: intel hd graphics 5500 crash after power save



Package: src:linux
Version: 4.7.5-1~bpo8+1
Severity: important

Dear Maintainer,

on linux 4.6 and linux 4.7 I am experiencing a bug which seems very similar
(possibly the same issue) to the following:
https://bugs.freedesktop.org/show_bug.cgi?id=96869

I have attached the relevant information from syslog below.

The symptoms are the following:
When I let my laptop sit a while (so that the screen goes blank), and then come
back, xorg becomes extremely slow, i.e. typing my userpsswd to unlock the
screen leads to a delayed reaction only after several seconds, and every
interaction with gnome-shell thereafter also takes several seconds, making the
system unusable until reboot (for which I crtl-alt-f1 to get a responsive
terminal).
This problem does not occur on linux 4.5 or earlier.
(Although I am reporting from a Jessie-system with backports kernel, I would
assume the same problem to also happen on debian testing.)

cheers, daniel

***
syslog:
***

Oct  2 16:36:58 debian-laptop gdm-Xorg-:0[1300]: (II) AIGLX: Suspending AIGLX
clients for VT switch
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508021] ------------[ cut here
]------------
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508042] WARNING: CPU: 0 PID: 1300
at /build/linux-sJRxMe/linux-4.7.5/drivers/gpu/drm/drm_irq.c:1318
drm_wait_one_vblank+0x15b/0x1a0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508044] vblank wait timed out on
crtc 0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508045] Modules linked in:
binfmt_misc(E) bnep(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) nfs(E) lockd(E)
grace(E) fscache(E) sunrpc(E) ip6t_REJECT(E) nf_reject_ipv6(E) nf_log_ipv6(E)
xt_hl(E) ip6t_rt(E) nf_conntrack_ipv6(E) nf_defrag_ipv6(E) ipt_REJECT(E)
nf_reject_ipv4(E) nf_log_ipv4(E) nf_log_common(E) xt_LOG(E) xt_limit(E)
xt_tcpudp(E) xt_addrtype(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E)
xt_conntrack(E) ip6table_filter(E) ip6_tables(E) nf_conntrack_netbios_ns(E)
nf_conntrack_broadcast(E) nf_nat_ftp(E) nf_nat(E) nf_conntrack_ftp(E)
nf_conntrack(E) iptable_filter(E) ip_tables(E) x_tables(E) uvcvideo(E)
videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_v4l2(E) videobuf2_core(E)
videodev(E) media(E) btusb(E) btrtl(E) btbcm(E) snd_hda_codec_hdmi(E)
btintel(E) bluetooth(E) rfkill(E) intel_rapl(E) x86_pkg_temp_thermal(E)
intel_powerclamp(E) coretemp(E) hid_multitouch(E) dcdbas(E) iTCO_wdt(E)
iTCO_vendor_support(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E)
kvm_intel(E) kvm(E) irqbypass(E) joydev(E) pcspkr(E) evdev(E) snd_soc_rt286(E)
snd_soc_ssm4567(E) squashfs(E) snd_soc_rl6347a(E) serio_raw(E) snd_soc_core(E)
elan_i2c(E) snd_compress(E) loop(E) rtsx_pci_ms(E) i915(E) memstick(E)
intel_pch_thermal(E) i2c_i801(E) snd_hda_intel(E) snd_hda_codec(E) dw_dmac(E)
wmi(E) snd_hda_core(E) soc_button_array(E) dw_dmac_core(E) snd_soc_sst_acpi(E)
snd_hwdep(E) snd_soc_sst_match(E) drm_kms_helper(E) int3403_thermal(E)
snd_pcm(E) video(E) snd_timer(E) drm(E) i2c_designware_platform(E)
i2c_designware_core(E) snd(E) soundcore(E) int3402_thermal(E)
processor_thermal_device(E) battery(E) tpm_crb(E) i2c_algo_bit(E) mei_me(E)
int340x_thermal_zone(E) int3400_thermal(E) intel_soc_dts_iosf(E)
acpi_thermal_rel(E) ac(E) shpchp(E) mei(E) lpc_ich(E) acpi_pad(E) acpi_als(E)
kfifo_buf(E) industrialio(E) tpm_tis(E) button(E) tpm(E) fuse(E) parport_pc(E)
ppdev(E) lp(E) parport(E) autofs4(E) ext4(E) crc16(E) jbd2(E) mbcache(E)
btrfs(E) xor(E) raid6_pq(E) algif_skcipher(E) af_alg(E) dm_crypt(E) dm_mod(E)
sg(E) sd_mod(E) crct10dif_pclmul(E) crc32_pclmul(E) crc32c_intel(E)
ghash_clmulni_intel(E) jitterentropy_rng(E) hmac(E) drbg(E) rtsx_pci_sdmmc(E)
ansi_cprng(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) glue_helper(E)
ablk_helper(E) cryptd(E) psmouse(E) ahci(E) libahci(E) libata(E) scsi_mod(E)
xhci_pci(E) ehci_pci(E) ehci_hcd(E) xhci_hcd(E) rtsx_pci(E) mfd_core(E)
usbcore(E) usb_common(E) fan(E) thermal(E) sdhci_acpi(E) sdhci(E) mmc_core(E)
i2c_hid(E) hid(E) fjes(E)
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508136] CPU: 0 PID: 1300 Comm:
Xorg Tainted: G            E   4.7.0-0.bpo.1-amd64 #1 Debian 4.7.5-1~bpo8+1
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508137] Hardware name: Dell Inc.
XPS 13 9343/0TM99H, BIOS A09 08/29/2016
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508139]  0000000000000286
000000005b3a0c32 ffffffffbad1c485 ffff880214103ab0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508141]  0000000000000000
ffffffffbaa7c984 0000000000000000 ffff880214103b08
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508143]  0000000000000000
000000000000181f ffff8800c23ad408 0000000000000001
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508145] Call Trace:
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508151]  [<ffffffffbad1c485>] ?
dump_stack+0x5c/0x77
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508154]  [<ffffffffbaa7c984>] ?
__warn+0xc4/0xe0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508156]  [<ffffffffbaa7c9ff>] ?
warn_slowpath_fmt+0x5f/0x80
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508159]  [<ffffffffbaabd76b>] ?
finish_wait+0x3b/0x70
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508168]  [<ffffffffc05fd43b>] ?
drm_wait_one_vblank+0x15b/0x1a0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508170]  [<ffffffffbaabd8d0>] ?
wait_woken+0x90/0x90
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508200]  [<ffffffffc07ddccb>] ?
intel_pre_plane_update+0x10b/0x180 [i915]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508220]  [<ffffffffc07de763>] ?
intel_atomic_commit+0x543/0x1330 [i915]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508229]  [<ffffffffc0725769>] ?
drm_atomic_helper_disable_plane+0xa9/0xf0 [drm_kms_helper]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508241]  [<ffffffffc060560e>] ?
__setplane_internal+0x18e/0x2a0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508255]  [<ffffffffc0614433>] ?
drm_modeset_lock_all_ctx+0x93/0xb0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508266]  [<ffffffffc060909b>] ?
drm_mode_setplane+0x14b/0x1c0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508275]  [<ffffffffc05fb686>] ?
drm_ioctl+0x126/0x490 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508285]  [<ffffffffc0608f50>] ?
drm_plane_check_pixel_format+0x50/0x50 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508288]  [<ffffffffbabb13a2>] ?
handle_mm_fault+0xde2/0x1cd0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508290]  [<ffffffffbac0d2eb>] ?
do_vfs_ioctl+0x9b/0x5e0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508292]  [<ffffffffbac0d8a6>] ?
SyS_ioctl+0x76/0x90
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508295]  [<ffffffffbafde3f6>] ?
system_call_fast_compare_end+0xc/0x96
Oct  2 16:36:58 debian-laptop kernel: [ 1204.508297] ---[ end trace
e0f6c8d6dcca17d8 ]---
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608019] ------------[ cut here
]------------
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608042] WARNING: CPU: 0 PID: 1300
at /build/linux-sJRxMe/linux-4.7.5/drivers/gpu/drm/drm_irq.c:1318
drm_wait_one_vblank+0x15b/0x1a0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608043] vblank wait timed out on
crtc 0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608044] Modules linked in:
binfmt_misc(E) bnep(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) nfs(E) lockd(E)
grace(E) fscache(E) sunrpc(E) ip6t_REJECT(E) nf_reject_ipv6(E) nf_log_ipv6(E)
xt_hl(E) ip6t_rt(E) nf_conntrack_ipv6(E) nf_defrag_ipv6(E) ipt_REJECT(E)
nf_reject_ipv4(E) nf_log_ipv4(E) nf_log_common(E) xt_LOG(E) xt_limit(E)
xt_tcpudp(E) xt_addrtype(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E)
xt_conntrack(E) ip6table_filter(E) ip6_tables(E) nf_conntrack_netbios_ns(E)
nf_conntrack_broadcast(E) nf_nat_ftp(E) nf_nat(E) nf_conntrack_ftp(E)
nf_conntrack(E) iptable_filter(E) ip_tables(E) x_tables(E) uvcvideo(E)
videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_v4l2(E) videobuf2_core(E)
videodev(E) media(E) btusb(E) btrtl(E) btbcm(E) snd_hda_codec_hdmi(E)
btintel(E) bluetooth(E) rfkill(E) intel_rapl(E) x86_pkg_temp_thermal(E)
intel_powerclamp(E) coretemp(E) hid_multitouch(E) dcdbas(E) iTCO_wdt(E)
iTCO_vendor_support(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E)
kvm_intel(E) kvm(E) irqbypass(E) joydev(E) pcspkr(E) evdev(E) snd_soc_rt286(E)
snd_soc_ssm4567(E) squashfs(E) snd_soc_rl6347a(E) serio_raw(E) snd_soc_core(E)
elan_i2c(E) snd_compress(E) loop(E) rtsx_pci_ms(E) i915(E) memstick(E)
intel_pch_thermal(E) i2c_i801(E) snd_hda_intel(E) snd_hda_codec(E) dw_dmac(E)
wmi(E) snd_hda_core(E) soc_button_array(E) dw_dmac_core(E) snd_soc_sst_acpi(E)
snd_hwdep(E) snd_soc_sst_match(E) drm_kms_helper(E) int3403_thermal(E)
snd_pcm(E) video(E) snd_timer(E) drm(E) i2c_designware_platform(E)
i2c_designware_core(E) snd(E) soundcore(E) int3402_thermal(E)
processor_thermal_device(E) battery(E) tpm_crb(E) i2c_algo_bit(E) mei_me(E)
int340x_thermal_zone(E) int3400_thermal(E) intel_soc_dts_iosf(E)
acpi_thermal_rel(E) ac(E) shpchp(E) mei(E) lpc_ich(E) acpi_pad(E) acpi_als(E)
kfifo_buf(E) industrialio(E) tpm_tis(E) button(E) tpm(E) fuse(E) parport_pc(E)
ppdev(E) lp(E) parport(E) autofs4(E) ext4(E) crc16(E) jbd2(E) mbcache(E)
btrfs(E) xor(E) raid6_pq(E) algif_skcipher(E) af_alg(E) dm_crypt(E) dm_mod(E)
sg(E) sd_mod(E) crct10dif_pclmul(E) crc32_pclmul(E) crc32c_intel(E)
ghash_clmulni_intel(E) jitterentropy_rng(E) hmac(E) drbg(E) rtsx_pci_sdmmc(E)
ansi_cprng(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) glue_helper(E)
ablk_helper(E) cryptd(E) psmouse(E) ahci(E) libahci(E) libata(E) scsi_mod(E)
xhci_pci(E) ehci_pci(E) ehci_hcd(E) xhci_hcd(E) rtsx_pci(E) mfd_core(E)
usbcore(E) usb_common(E) fan(E) thermal(E) sdhci_acpi(E) sdhci(E) mmc_core(E)
i2c_hid(E) hid(E) fjes(E)
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608132] CPU: 0 PID: 1300 Comm:
Xorg Tainted: G        W   E   4.7.0-0.bpo.1-amd64 #1 Debian 4.7.5-1~bpo8+1
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608134] Hardware name: Dell Inc.
XPS 13 9343/0TM99H, BIOS A09 08/29/2016
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608135]  0000000000000286
000000005b3a0c32 ffffffffbad1c485 ffff880214103ab0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608137]  0000000000000000
ffffffffbaa7c984 0000000000000000 ffff880214103b08
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608139]  0000000000000000
000000000000181f ffff8800c23ad408 0000000000000001
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608141] Call Trace:
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608146]  [<ffffffffbad1c485>] ?
dump_stack+0x5c/0x77
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608149]  [<ffffffffbaa7c984>] ?
__warn+0xc4/0xe0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608152]  [<ffffffffbaa7c9ff>] ?
warn_slowpath_fmt+0x5f/0x80
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608154]  [<ffffffffbaabd76b>] ?
finish_wait+0x3b/0x70
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608164]  [<ffffffffc05fd43b>] ?
drm_wait_one_vblank+0x15b/0x1a0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608165]  [<ffffffffbaabd8d0>] ?
wait_woken+0x90/0x90
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608195]  [<ffffffffc07ddd0a>] ?
intel_pre_plane_update+0x14a/0x180 [i915]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608215]  [<ffffffffc07de763>] ?
intel_atomic_commit+0x543/0x1330 [i915]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608224]  [<ffffffffc0725769>] ?
drm_atomic_helper_disable_plane+0xa9/0xf0 [drm_kms_helper]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608236]  [<ffffffffc060560e>] ?
__setplane_internal+0x18e/0x2a0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608250]  [<ffffffffc0614433>] ?
drm_modeset_lock_all_ctx+0x93/0xb0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608261]  [<ffffffffc060909b>] ?
drm_mode_setplane+0x14b/0x1c0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608270]  [<ffffffffc05fb686>] ?
drm_ioctl+0x126/0x490 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608280]  [<ffffffffc0608f50>] ?
drm_plane_check_pixel_format+0x50/0x50 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608283]  [<ffffffffbabb13a2>] ?
handle_mm_fault+0xde2/0x1cd0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608285]  [<ffffffffbac0d2eb>] ?
do_vfs_ioctl+0x9b/0x5e0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608287]  [<ffffffffbac0d8a6>] ?
SyS_ioctl+0x76/0x90
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608290]  [<ffffffffbafde3f6>] ?
system_call_fast_compare_end+0xc/0x96
Oct  2 16:36:58 debian-laptop kernel: [ 1204.608292] ---[ end trace
e0f6c8d6dcca17d9 ]---
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660048] ------------[ cut here
]------------
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660128] WARNING: CPU: 0 PID: 1300
at /build/linux-sJRxMe/linux-4.7.5/drivers/gpu/drm/i915/intel_display.c:13554
intel_atomic_commit+0x1224/0x1330 [i915]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660132] pipe A vblank wait timed
out
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660134] Modules linked in:
binfmt_misc(E) bnep(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) nfs(E) lockd(E)
grace(E) fscache(E) sunrpc(E) ip6t_REJECT(E) nf_reject_ipv6(E) nf_log_ipv6(E)
xt_hl(E) ip6t_rt(E) nf_conntrack_ipv6(E) nf_defrag_ipv6(E) ipt_REJECT(E)
nf_reject_ipv4(E) nf_log_ipv4(E) nf_log_common(E) xt_LOG(E) xt_limit(E)
xt_tcpudp(E) xt_addrtype(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E)
xt_conntrack(E) ip6table_filter(E) ip6_tables(E) nf_conntrack_netbios_ns(E)
nf_conntrack_broadcast(E) nf_nat_ftp(E) nf_nat(E) nf_conntrack_ftp(E)
nf_conntrack(E) iptable_filter(E) ip_tables(E) x_tables(E) uvcvideo(E)
videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_v4l2(E) videobuf2_core(E)
videodev(E) media(E) btusb(E) btrtl(E) btbcm(E) snd_hda_codec_hdmi(E)
btintel(E) bluetooth(E) rfkill(E) intel_rapl(E) x86_pkg_temp_thermal(E)
intel_powerclamp(E) coretemp(E) hid_multitouch(E) dcdbas(E) iTCO_wdt(E)
iTCO_vendor_support(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E)
kvm_intel(E) kvm(E) irqbypass(E) joydev(E) pcspkr(E) evdev(E) snd_soc_rt286(E)
snd_soc_ssm4567(E) squashfs(E) snd_soc_rl6347a(E) serio_raw(E) snd_soc_core(E)
elan_i2c(E) snd_compress(E) loop(E) rtsx_pci_ms(E) i915(E) memstick(E)
intel_pch_thermal(E) i2c_i801(E) snd_hda_intel(E) snd_hda_codec(E) dw_dmac(E)
wmi(E) snd_hda_core(E) soc_button_array(E) dw_dmac_core(E) snd_soc_sst_acpi(E)
snd_hwdep(E) snd_soc_sst_match(E) drm_kms_helper(E) int3403_thermal(E)
snd_pcm(E) video(E) snd_timer(E) drm(E) i2c_designware_platform(E)
i2c_designware_core(E) snd(E) soundcore(E) int3402_thermal(E)
processor_thermal_device(E) battery(E) tpm_crb(E) i2c_algo_bit(E) mei_me(E)
int340x_thermal_zone(E) int3400_thermal(E) intel_soc_dts_iosf(E)
acpi_thermal_rel(E) ac(E) shpchp(E) mei(E) lpc_ich(E) acpi_pad(E) acpi_als(E)
kfifo_buf(E) industrialio(E) tpm_tis(E) button(E) tpm(E) fuse(E) parport_pc(E)
ppdev(E) lp(E) parport(E) autofs4(E) ext4(E) crc16(E) jbd2(E) mbcache(E)
btrfs(E) xor(E) raid6_pq(E) algif_skcipher(E) af_alg(E) dm_crypt(E) dm_mod(E)
sg(E) sd_mod(E) crct10dif_pclmul(E) crc32_pclmul(E) crc32c_intel(E)
ghash_clmulni_intel(E) jitterentropy_rng(E) hmac(E) drbg(E) rtsx_pci_sdmmc(E)
ansi_cprng(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) glue_helper(E)
ablk_helper(E) cryptd(E) psmouse(E) ahci(E) libahci(E) libata(E) scsi_mod(E)
xhci_pci(E) ehci_pci(E) ehci_hcd(E) xhci_hcd(E) rtsx_pci(E) mfd_core(E)
usbcore(E) usb_common(E) fan(E) thermal(E) sdhci_acpi(E) sdhci(E) mmc_core(E)
i2c_hid(E) hid(E) fjes(E)
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660307] CPU: 0 PID: 1300 Comm:
Xorg Tainted: G        W   E   4.7.0-0.bpo.1-amd64 #1 Debian 4.7.5-1~bpo8+1
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660310] Hardware name: Dell Inc.
XPS 13 9343/0TM99H, BIOS A09 08/29/2016
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660313]  0000000000000286
000000005b3a0c32 ffffffffbad1c485 ffff880214103b60
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660318]  0000000000000000
ffffffffbaa7c984 0000000000000001 ffff880214103bb8
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660323]  000000000000181f
0000000000000000 0000000000000000 0000000000000000
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660328] Call Trace:
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660337]  [<ffffffffbad1c485>] ?
dump_stack+0x5c/0x77
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660344]  [<ffffffffbaa7c984>] ?
__warn+0xc4/0xe0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660350]  [<ffffffffbaa7c9ff>] ?
warn_slowpath_fmt+0x5f/0x80
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660356]  [<ffffffffbaabd76b>] ?
finish_wait+0x3b/0x70
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660405]  [<ffffffffc07df444>] ?
intel_atomic_commit+0x1224/0x1330 [i915]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660410]  [<ffffffffbaabd8d0>] ?
wait_woken+0x90/0x90
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660427]  [<ffffffffc0725769>] ?
drm_atomic_helper_disable_plane+0xa9/0xf0 [drm_kms_helper]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660460]  [<ffffffffc060560e>] ?
__setplane_internal+0x18e/0x2a0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660491]  [<ffffffffc0614433>] ?
drm_modeset_lock_all_ctx+0x93/0xb0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660517]  [<ffffffffc060909b>] ?
drm_mode_setplane+0x14b/0x1c0 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660536]  [<ffffffffc05fb686>] ?
drm_ioctl+0x126/0x490 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660558]  [<ffffffffc0608f50>] ?
drm_plane_check_pixel_format+0x50/0x50 [drm]
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660564]  [<ffffffffbabb13a2>] ?
handle_mm_fault+0xde2/0x1cd0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660570]  [<ffffffffbac0d2eb>] ?
do_vfs_ioctl+0x9b/0x5e0
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660574]  [<ffffffffbac0d8a6>] ?
SyS_ioctl+0x76/0x90
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660580]  [<ffffffffbafde3f6>] ?
system_call_fast_compare_end+0xc/0x96
Oct  2 16:36:58 debian-laptop kernel: [ 1204.660583] ---[ end trace
e0f6c8d6dcca17da ]---
***



-- Package-specific info:
** Kernel log: boot messages should be attached

** Model information
sys_vendor: Dell Inc.
product_name: XPS 13 9343
product_version: 
chassis_vendor: Dell Inc.
chassis_version: 
bios_vendor: Dell Inc.
bios_version: A09
board_vendor: Dell Inc.
board_name: 0TM99H
board_version: A00

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Broadwell-U Host Bridge -OPI [8086:1604] (rev 09)
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: bdw_uncore

00:02.0 VGA compatible controller [0300]: Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller])
	Subsystem: Dell Device [1028:0665]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 49
	Region 0: Memory at f6000000 (64-bit, non-prefetchable) [size=16M]
	Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at f000 [size=64]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915

00:03.0 Audio device [0403]: Intel Corporation Broadwell-U Audio Controller [8086:160c] (rev 09)
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 50
	Region 0: Memory at f741c000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:04.0 Signal processing controller [1180]: Intel Corporation Broadwell-U Camarillo Device [8086:1603] (rev 09)
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at f7410000 (64-bit, non-prefetchable) [size=32K]
	Capabilities: <access denied>
	Kernel driver in use: proc_thermal

00:14.0 USB controller [0c03]: Intel Corporation Wildcat Point-LP USB xHCI Controller [8086:9cb1] (rev 03) (prog-if 30 [XHCI])
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 45
	Region 0: Memory at f7400000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd

00:16.0 Communication controller [0780]: Intel Corporation Wildcat Point-LP MEI Controller #1 [8086:9cba] (rev 03)
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 47
	Region 0: Memory at f7425000 (64-bit, non-prefetchable) [size=32]
	Capabilities: <access denied>
	Kernel driver in use: mei_me

00:1b.0 Audio device [0403]: Intel Corporation Wildcat Point-LP High Definition Audio Controller [8086:9ca0] (rev 03)
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 32, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 48
	Region 0: Memory at f7418000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel

00:1c.0 PCI bridge [0604]: Intel Corporation Wildcat Point-LP PCI Express Root Port #1 [8086:9c90] (rev e3) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	Memory behind bridge: f7300000-f73fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1c.3 PCI bridge [0604]: Intel Corporation Wildcat Point-LP PCI Express Root Port #4 [8086:9c96] (rev e3) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	Memory behind bridge: f7000000-f72fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport

00:1d.0 USB controller [0c03]: Intel Corporation Wildcat Point-LP USB EHCI Controller [8086:9ca6] (rev 03) (prog-if 20 [EHCI])
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 21
	Region 0: Memory at f7423000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci

00:1f.0 ISA bridge [0601]: Intel Corporation Wildcat Point-LP LPC Controller [8086:9cc3] (rev 03)
	Subsystem: Dell Device [1028:0665]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: lpc_ich

00:1f.2 SATA controller [0106]: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] [8086:9c83] (rev 03) (prog-if 01 [AHCI 1.0])
	Subsystem: Dell Device [1028:0665]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 46
	Region 0: I/O ports at f0b0 [size=8]
	Region 1: I/O ports at f0a0 [size=4]
	Region 2: I/O ports at f090 [size=8]
	Region 3: I/O ports at f080 [size=4]
	Region 4: I/O ports at f060 [size=32]
	Region 5: Memory at f7422000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: ahci

00:1f.3 SMBus [0c05]: Intel Corporation Wildcat Point-LP SMBus Controller [8086:9ca2] (rev 03)
	Subsystem: Dell Device [1028:0665]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin C routed to IRQ 18
	Region 0: Memory at f7421000 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at f040 [size=32]

00:1f.6 Signal processing controller [1180]: Intel Corporation Wildcat Point-LP Thermal Management Controller [8086:9ca4] (rev 03)
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin C routed to IRQ 18
	Region 0: Memory at f7420000 (64-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: intel_pch_thermal

01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5249 PCI Express Card Reader [10ec:5249] (rev 01)
	Subsystem: Dell Device [1028:0665]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 44
	Region 0: Memory at f7300000 (32-bit, non-prefetchable) [size=4K]
	Capabilities: <access denied>
	Kernel driver in use: rtsx_pci

02:00.0 Network controller [0280]: Broadcom Corporation BCM4352 802.11ac Wireless Network Adapter [14e4:43b1] (rev 03)
	Subsystem: Dell Device [1028:0019]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 19
	Region 0: Memory at f7200000 (64-bit, non-prefetchable) [size=32K]
	Region 2: Memory at f7000000 (64-bit, non-prefetchable) [size=2M]
	Capabilities: <access denied>
	Kernel driver in use: wl


** USB devices:
Bus 001 Device 002: ID 8087:8001 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 003: ID 0c45:670c Microdia 
Bus 002 Device 002: ID 0a5c:216f Broadcom Corp. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: 8.6
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable'), (140, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.5.0-0.bpo.2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages linux-image-4.7.0-0.bpo.1-amd64-unsigned depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.120+deb8u2
ii  kmod                                    18-3
ii  linux-base                              4.3~bpo8+1

Versions of packages linux-image-4.7.0-0.bpo.1-amd64-unsigned recommends:
ii  firmware-linux-free  3.3
ii  irqbalance           1.0.6-3

Versions of packages linux-image-4.7.0-0.bpo.1-amd64-unsigned suggests:
pn  debian-kernel-handbook  <none>
ii  grub-pc                 2.02~beta2-22+deb8u1
pn  linux-doc-4.7           <none>

Versions of packages linux-image-4.7.0-0.bpo.1-amd64-unsigned is related to:
ii  firmware-amd-graphics     20160824-1~bpo8+1
pn  firmware-atheros          <none>
pn  firmware-bnx2             <none>
pn  firmware-bnx2x            <none>
ii  firmware-brcm80211        20160824-1~bpo8+1
pn  firmware-cavium           <none>
pn  firmware-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
pn  firmware-iwlwifi          <none>
pn  firmware-libertas         <none>
ii  firmware-linux-nonfree    20160824-1~bpo8+1
ii  firmware-misc-nonfree     20160824-1~bpo8+1
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
pn  firmware-realtek          <none>
pn  firmware-samsung          <none>
pn  firmware-siano            <none>
pn  firmware-ti-connectivity  <none>
pn  xen-hypervisor            <none>

-- no debconf information


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