Oops: NULL pointer dereference intel_ddi_post_disable+0x54/0x170
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Incomplete
|
Undecided
|
Unassigned |
Bug Description
I am running Ubuntu 18.04 LTS on a HP EliteBook 840 G5 with docking station and two screens attached via DisplayPort.
Reproducibly, when I close the lid of my notebook, the kernel 4.15.0-
The previous kernel 4.15.0-
Oops:
[ 224.498572] BUG: unable to handle kernel NULL pointer dereference at 0000000000000245
[ 224.498658] IP: intel_ddi_
[ 224.498663] PGD 0 P4D 0
[ 224.498672] Oops: 0000 [#1] SMP PTI
[ 224.498677] Modules linked in: hid_logitech_hidpp hid_logitech_dj hid_cherry usbhid rfcomm nfnetlink xfrm_user xfrm_algo xt_addrtype overlay aufs wireguard(OE) ip6_udp_tunnel udp_tunnel thunderbolt ccm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_
[ 224.498761] x86_pkg_
[ 224.498851] af_alg dm_crypt crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel i915 aes_x86_64 crypto_simd glue_helper cryptd e1000e ptp i2c_algo_bit pps_core drm_kms_helper psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops nvme nvme_core drm i2c_i801 i2c_hid wmi hid video pinctrl_
[ 224.498895] CPU: 0 PID: 1952 Comm: Xorg Tainted: G OE 4.15.0-44-generic #47-Ubuntu
[ 224.498899] Hardware name: HP HP EliteBook 840 G5/83B2, BIOS Q78 Ver. 01.04.00 09/12/2018
[ 224.498961] RIP: 0010:intel_
[ 224.498966] RSP: 0018:ffffbf5cc4
[ 224.498971] RAX: 0000000000000007 RBX: ffff9803af6ff000 RCX: ffffffffc0744272
[ 224.498974] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9803af6ff000
[ 224.498978] RBP: ffffbf5cc45aba20 R08: 0000000000000003 R09: 0000000000000000
[ 224.498982] R10: 0000000000000209 R11: 0000000000000170 R12: 0000000000000000
[ 224.498985] R13: ffff9803af6ff000 R14: ffff9803aed90000 R15: ffff98031202d000
[ 224.498991] FS: 00007ff14e36360
[ 224.498995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 224.498999] CR2: 0000000000000245 CR3: 0000000830496006 CR4: 00000000003606f0
[ 224.499002] Call Trace:
[ 224.499064] ? intel_dp_
[ 224.499118] intel_mst_
[ 224.499175] intel_encoders_
[ 224.499226] haswell_
[ 224.499280] intel_atomic_
[ 224.499330] intel_atomic_
[ 224.499367] drm_atomic_
[ 224.499387] drm_atomic_
[ 224.499414] __drm_mode_
[ 224.499440] drm_mode_
[ 224.499464] ? drm_mode_
[ 224.499486] drm_ioctl_
[ 224.499507] drm_ioctl+
[ 224.499528] ? drm_mode_
[ 224.499540] do_vfs_
[ 224.499547] ? recalc_
[ 224.499556] ? _copy_from_
[ 224.499563] SyS_ioctl+0x79/0x90
[ 224.499571] do_syscall_
[ 224.499581] entry_SYSCALL_
[ 224.499586] RIP: 0033:0x7ff14b7615d7
[ 224.499590] RSP: 002b:00007ffd03
[ 224.499596] RAX: ffffffffffffffda RBX: 00007ffd03403460 RCX: 00007ff14b7615d7
[ 224.499599] RDX: 00007ffd03403460 RSI: 00000000c06864a2 RDI: 000000000000000c
[ 224.499603] RBP: 00007ffd03403460 R08: 0000000000000000 R09: 0000559e72a0d510
[ 224.499607] R10: 00007ffd034035e0 R11: 0000000000000246 R12: 00000000c06864a2
[ 224.499611] R13: 000000000000000c R14: 0000559e71ea5a40 R15: 0000559e71d25a20
[ 224.499615] Code: 0d f6 86 44 02 00 00 40 0f 85 81 00 00 00 83 f8 06 72 77 83 f8 08 76 13 83 f8 0a 75 6d 41 f6 86 60 06 00 00 40 0f 84 dd 00 00 00 <41> f6 84 24 45 02 00 00 08 4d 8d bd 00 01 00 00 74 3e 48 89 df
[ 224.499752] RIP: intel_ddi_
[ 224.499755] CR2: 0000000000000245
[ 224.499761] ---[ end trace f6caf79c13f5597d ]---
$ lsb_release -rd
Description: Ubuntu 18.04.1 LTS
Release: 18.04
$ apt-cache policy linux-image-
linux-image-
Installed: 4.15.0-44.47
Candidate: 4.15.0-44.47
Version table:
*** 4.15.0-44.47 500
500 http://
500 http://
100 /var/lib/
This bug might be related: /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1813543
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