The "udl" driver crashes the kernel.
From: wzabolot@xxxxxxxxxxxxxxxxxxxxxxx
Date: Sun Nov 25 2018 - 10:59:22 EST
When I connect my Displaylink DL-165 adapter to my Debian/testing
machine, the "udl" driver is loaded and the following error messages
appears in kernel logs:
Nov 7 20:47:30 wzdell kernel: [ 205.871354] usb 4-1.2: new high-speed
USB device number 4 using ehci-pci
Nov 7 20:47:35 wzdell kernel: [ 211.209020] usb 4-1.2: New USB device
found, idVendor=17e9, idProduct=0290, bcdDevice= 0.01
Nov 7 20:47:35 wzdell kernel: [ 211.209027] usb 4-1.2: New USB device
strings: Mfr=1, Product=2, SerialNumber=3
Nov 7 20:47:35 wzdell kernel: [ 211.209032] usb 4-1.2: Product: DL-165
Adapter
Nov 7 20:47:35 wzdell kernel: [ 211.209036] usb 4-1.2: Manufacturer:
DisplayLink
Nov 7 20:47:35 wzdell kernel: [ 211.209040] usb 4-1.2: SerialNumber:
102140
Nov 7 20:47:35 wzdell mtp-probe: checking bus 4, device 4:
"/sys/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.2"
Nov 7 20:47:35 wzdell mtp-probe: bus: 4, device: 4 was not an MTP device
Nov 7 20:47:35 wzdell kernel: [ 211.269753] [drm] vendor descriptor
length:22 data:22 5f 01 00 20 05 00 01 03 04 02
Nov 7 20:47:35 wzdell kernel: [ 211.320940] [drm] Cannot find any crtc
or sizes
Nov 7 20:47:35 wzdell kernel: [ 211.320962] [drm] Supports vblank
timestamp caching Rev 2 (21.10.2013).
Nov 7 20:47:35 wzdell kernel: [ 211.320963] [drm] No driver support
for vblank timestamp query.
Nov 7 20:47:35 wzdell kernel: [ 211.320999] [drm] Initialized udl
0.0.1 20120220 for 4-1.2:1.0 on minor 1
Nov 7 20:47:35 wzdell kernel: [ 211.321002] [drm] Initialized udl on
minor 1
Nov 7 20:47:35 wzdell kernel: [ 211.321078] usbcore: registered new
interface driver udl
Nov 7 20:47:37 wzdell kernel: [ 212.700722] WARNING: CPU: 0 PID: 1024
at /build/linux-iActNR/linux-4.18.10/drivers/gpu/drm/drm_gem.c:893
drm_gem_object_put+0x34/0x40 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.700726] Modules linked in: udl
rfcomm ctr ccm cpufreq_userspace cpufreq_conservative cpufreq_powersave
bnep bbswitch(O) nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4
nf_defrag_ipv4 nft_counter xt_owner xt_state xt_conntrack nf_conntrack
libcrc32c nft_compat nf_tables nfnetlink binfmt_misc intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
uvcvideo arc4 iwldvm videobuf2_vmalloc mac80211 videobuf2_memops
videobuf2_v4l2 snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel
videobuf2_common snd_hda_codec videodev snd_hda_core snd_hwdep snd_pcm
snd_timer media snd soundcore i915 btusb btrtl btbcm btintel bluetooth
iwlwifi dell_laptop dell_wmi dell_smbios mei_me drbg ansi_cprng mei
ecdh_generic wmi_bmof dcdbas cfg80211 drm_kms_helper sparse_keymap
dell_wmi_descriptor
Nov 7 20:47:37 wzdell kernel: [ 212.700822] intel_cstate drm
intel_uncore intel_rapl_perf dell_smm_hwmon evdev iTCO_wdt
iTCO_vendor_support joydev rfkill video serio_raw i2c_algo_bit pcspkr sg
pcc_cpufreq wmi dell_smo8800 button battery ac parport_pc ppdev lp
parport ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2
crc32c_generic fscrypto ecb algif_skcipher af_alg dm_crypt dm_mod sr_mod
cdrom sd_mod ums_realtek uas usb_storage crct10dif_pclmul crc32_pclmul
crc32c_intel ghash_clmulni_intel pcbc ahci libahci aesni_intel xhci_pci
aes_x86_64 ehci_pci crypto_simd libata xhci_hcd ehci_hcd cryptd
glue_helper psmouse scsi_mod i2c_i801 r8169 lpc_ich mii usbcore
usb_common thermal
Nov 7 20:47:37 wzdell kernel: [ 212.700925] CPU: 0 PID: 1024 Comm:
Xorg Tainted: GÂÂÂÂÂÂÂÂÂÂ OÂÂÂÂÂ 4.18.0-2-amd64 #1 Debian 4.18.10-2
Nov 7 20:47:37 wzdell kernel: [ 212.700927] Hardware name: Dell
Inc.ÂÂÂÂÂÂÂÂÂ Dell System Vostro 3750/0VP036, BIOS A14 09/26/2012
Nov 7 20:47:37 wzdell kernel: [ 212.700955] RIP:
0010:drm_gem_object_put+0x34/0x40 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.700957] Code: 53 48 8b 47 08 48 8b
40 68 48 a9 f8 ff ff ff 74 19 48 89 fb e8 7d c3 02 de 84 c0 75 02 5b c3
48 89 df 5b e9 ee fc ff ff f3 c3 <0f> 0b eb e3 0f 1f 84 00 00 00 00 00
66 66 66 66 90 48 8b 42 08 48
Nov 7 20:47:37 wzdell kernel: [ 212.701035] RSP: 0018:ffffac86826bbd00
EFLAGS: 00010246
Nov 7 20:47:37 wzdell kernel: [ 212.701039] RAX: 0000000000000000 RBX:
ffff95fc65313800 RCX: 0000000000000000
Nov 7 20:47:37 wzdell kernel: [ 212.701042] RDX: ffffffffffffffff RSI:
ffff95fc662b0610 RDI: ffff95fc65313800
Nov 7 20:47:37 wzdell kernel: [ 212.701045] RBP: ffff95fc31f1a020 R08:
ffff95fc662b0610 R09: ffff95fc662b06c0
Nov 7 20:47:37 wzdell kernel: [ 212.701047] R10: 0000000000100000 R11:
0000000000000040 R12: 0000000000000000
Nov 7 20:47:37 wzdell kernel: [ 212.701050] R13: ffffac86826bbdc8 R14:
ffffac86826bbdc0 R15: 00000000000000b3
Nov 7 20:47:37 wzdell kernel: [ 212.701054] FS:Â
00007f78c0ceba80(0000) GS:ffff95fc7e400000(0000) knlGS:0000000000000000
Nov 7 20:47:37 wzdell kernel: [ 212.701057] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Nov 7 20:47:37 wzdell kernel: [ 212.701060] CR2: 00007f78abdfac94 CR3:
00000004287fe002 CR4: 00000000000606f0
Nov 7 20:47:37 wzdell kernel: [ 212.701063] Call Trace:
Nov 7 20:47:37 wzdell kernel: [ 212.701080] udl_gem_mmap+0x58/0xb0 [udl]
Nov 7 20:47:37 wzdell kernel: [ 212.701112] ?
drm_mode_create_dumb_ioctl+0x90/0x90 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.701138]Â
drm_ioctl_kernel+0xa1/0xf0 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.701164] drm_ioctl+0x2eb/0x390 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.701193] ?
drm_mode_create_dumb_ioctl+0x90/0x90 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.701203] ? datagram_poll+0x28/0xf0
Nov 7 20:47:37 wzdell kernel: [ 212.701209] ? sock_poll+0x7b/0xb0
Nov 7 20:47:37 wzdell kernel: [ 212.701216] ?
ep_item_poll.isra.13+0x3f/0xb0
Nov 7 20:47:37 wzdell kernel: [ 212.701221] ? sock_poll+0x7b/0xb0
Nov 7 20:47:37 wzdell kernel: [ 212.701230] do_vfs_ioctl+0xa4/0x640
Nov 7 20:47:37 wzdell kernel: [ 212.701237] ?
__x64_sys_epoll_ctl+0xf2/0x590
Nov 7 20:47:37 wzdell kernel: [ 212.701243] ksys_ioctl+0x70/0x80
Nov 7 20:47:37 wzdell kernel: [ 212.701250] __x64_sys_ioctl+0x16/0x20
Nov 7 20:47:37 wzdell kernel: [ 212.701257] do_syscall_64+0x55/0x110
Nov 7 20:47:37 wzdell kernel: [ 212.701265]Â
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Nov 7 20:47:37 wzdell kernel: [ 212.701271] RIP: 0033:0x7f78c1c09067
Nov 7 20:47:37 wzdell kernel: [ 212.701272] Code: b3 66 90 48 8b 05 21
7e 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00
00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d
f1 7d 0c 00 f7 d8 64 89 01 48
Nov 7 20:47:37 wzdell kernel: [ 212.701349] RSP: 002b:00007ffc9ddc4ef8
EFLAGS: 00003246 ORIG_RAX: 0000000000000010
Nov 7 20:47:37 wzdell kernel: [ 212.701354] RAX: ffffffffffffffda RBX:
0000000000000000 RCX: 00007f78c1c09067
Nov 7 20:47:37 wzdell kernel: [ 212.701356] RDX: 00007ffc9ddc4f30 RSI:
00000000c01064b3 RDI: 0000000000000037
Nov 7 20:47:37 wzdell kernel: [ 212.701359] RBP: 00007ffc9ddc4f30 R08:
0000000000000000 R09: 000055bbb6541fe0
Nov 7 20:47:37 wzdell kernel: [ 212.701361] R10: 00007ffc9ddc4edc R11:
0000000000003246 R12: 00000000c01064b3
Nov 7 20:47:37 wzdell kernel: [ 212.701364] R13: 0000000000000037 R14:
000055bbb6580d90 R15: 0000000000000001
Nov 7 20:47:37 wzdell kernel: [ 212.701369] ---[ end trace
6b30e2bd6c85b37b ]---
Nov 7 20:47:37 wzdell kernel: [ 212.703507] WARNING: CPU: 0 PID: 1024
at /build/linux-iActNR/linux-4.18.10/drivers/gpu/drm/drm_gem.c:893
drm_gem_object_put+0x34/0x40 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.703509] Modules linked in: udl
rfcomm ctr ccm cpufreq_userspace cpufreq_conservative cpufreq_powersave
bnep bbswitch(O) nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4
nf_defrag_ipv4 nft_counter xt_owner xt_state xt_conntrack nf_conntrack
libcrc32c nft_compat nf_tables nfnetlink binfmt_misc intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass
uvcvideo arc4 iwldvm videobuf2_vmalloc mac80211 videobuf2_memops
videobuf2_v4l2 snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel
videobuf2_common snd_hda_codec videodev snd_hda_core snd_hwdep snd_pcm
snd_timer media snd soundcore i915 btusb btrtl btbcm btintel bluetooth
iwlwifi dell_laptop dell_wmi dell_smbios mei_me drbg ansi_cprng mei
ecdh_generic wmi_bmof dcdbas cfg80211 drm_kms_helper sparse_keymap
dell_wmi_descriptor
Nov 7 20:47:37 wzdell kernel: [ 212.703595] intel_cstate drm
intel_uncore intel_rapl_perf dell_smm_hwmon evdev iTCO_wdt
iTCO_vendor_support joydev rfkill video serio_raw i2c_algo_bit pcspkr sg
pcc_cpufreq wmi dell_smo8800 button battery ac parport_pc ppdev lp
parport ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2
crc32c_generic fscrypto ecb algif_skcipher af_alg dm_crypt dm_mod sr_mod
cdrom sd_mod ums_realtek uas usb_storage crct10dif_pclmul crc32_pclmul
crc32c_intel ghash_clmulni_intel pcbc ahci libahci aesni_intel xhci_pci
aes_x86_64 ehci_pci crypto_simd libata xhci_hcd ehci_hcd cryptd
glue_helper psmouse scsi_mod i2c_i801 r8169 lpc_ich mii usbcore
usb_common thermal
Nov 7 20:47:37 wzdell kernel: [ 212.703696] CPU: 0 PID: 1024 Comm:
Xorg Tainted: GÂÂÂÂÂÂÂ WÂ OÂÂÂÂÂ 4.18.0-2-amd64 #1 Debian 4.18.10-2
Nov 7 20:47:37 wzdell kernel: [ 212.703698] Hardware name: Dell
Inc.ÂÂÂÂÂÂÂÂÂ Dell System Vostro 3750/0VP036, BIOS A14 09/26/2012
Nov 7 20:47:37 wzdell kernel: [ 212.703723] RIP:
0010:drm_gem_object_put+0x34/0x40 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.703724] Code: 53 48 8b 47 08 48 8b
40 68 48 a9 f8 ff ff ff 74 19 48 89 fb e8 7d c3 02 de 84 c0 75 02 5b c3
48 89 df 5b e9 ee fc ff ff f3 c3 <0f> 0b eb e3 0f 1f 84 00 00 00 00 00
66 66 66 66 90 48 8b 42 08 48
Nov 7 20:47:37 wzdell kernel: [ 212.703801] RSP: 0018:ffffac86826bbd00
EFLAGS: 00010246
Nov 7 20:47:37 wzdell kernel: [ 212.703805] RAX: 0000000000000000 RBX:
ffff95fc65313e00 RCX: 0000000000000000
Nov 7 20:47:37 wzdell kernel: [ 212.703807] RDX: ffffffffffffffff RSI:
ffff95fc662b0610 RDI: ffff95fc65313e00
Nov 7 20:47:37 wzdell kernel: [ 212.703810] RBP: ffff95fc31f1a020 R08:
ffff95fc662b0610 R09: ffff95fc65313868
Nov 7 20:47:37 wzdell kernel: [ 212.703812] R10: 0000000000100004 R11:
0000000000000040 R12: 0000000000000000
Nov 7 20:47:37 wzdell kernel: [ 212.703815] R13: ffffac86826bbdc8 R14:
ffffac86826bbdc0 R15: 00000000000000b3
Nov 7 20:47:37 wzdell kernel: [ 212.703819] FS:Â
00007f78c0ceba80(0000) GS:ffff95fc7e400000(0000) knlGS:0000000000000000
Nov 7 20:47:37 wzdell kernel: [ 212.703822] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Nov 7 20:47:37 wzdell kernel: [ 212.703825] CR2: 00007f78abdfac94 CR3:
00000004287fe002 CR4: 00000000000606f0
Nov 7 20:47:37 wzdell kernel: [ 212.703827] Call Trace:
Nov 7 20:47:37 wzdell kernel: [ 212.703837] udl_gem_mmap+0x58/0xb0 [udl]
Nov 7 20:47:37 wzdell kernel: [ 212.703867] ?
drm_mode_create_dumb_ioctl+0x90/0x90 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.703902]Â
drm_ioctl_kernel+0xa1/0xf0 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.703928] drm_ioctl+0x2eb/0x390 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.703956] ?
drm_mode_create_dumb_ioctl+0x90/0x90 [drm]
Nov 7 20:47:37 wzdell kernel: [ 212.703963] ? do_mmap+0x3f9/0x5c0
Nov 7 20:47:37 wzdell kernel: [ 212.703971] do_vfs_ioctl+0xa4/0x640
Nov 7 20:47:37 wzdell kernel: [ 212.703978] ksys_ioctl+0x70/0x80
Nov 7 20:47:37 wzdell kernel: [ 212.703985] __x64_sys_ioctl+0x16/0x20
Nov 7 20:47:37 wzdell kernel: [ 212.703991] do_syscall_64+0x55/0x110
Nov 7 20:47:37 wzdell kernel: [ 212.703998]Â
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Nov 7 20:47:37 wzdell kernel: [ 212.704002] RIP: 0033:0x7f78c1c09067
Nov 7 20:47:37 wzdell kernel: [ 212.704003] Code: b3 66 90 48 8b 05 21
7e 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00
00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d
f1 7d 0c 00 f7 d8 64 89 01 48
Nov 7 20:47:37 wzdell kernel: [ 212.704080] RSP: 002b:00007ffc9ddc4ef8
EFLAGS: 00003246 ORIG_RAX: 0000000000000010
Nov 7 20:47:37 wzdell kernel: [ 212.704084] RAX: ffffffffffffffda RBX:
0000000000000000 RCX: 00007f78c1c09067
Nov 7 20:47:37 wzdell kernel: [ 212.704087] RDX: 00007ffc9ddc4f30 RSI:
00000000c01064b3 RDI: 0000000000000037
Nov 7 20:47:37 wzdell kernel: [ 212.704089] RBP: 00007ffc9ddc4f30 R08:
0000000000000037 R09: 0000000100000000
Nov 7 20:47:37 wzdell kernel: [ 212.704092] R10: 0000000000000001 R11:
0000000000003246 R12: 00000000c01064b3
Nov 7 20:47:37 wzdell kernel: [ 212.704094] R13: 0000000000000037 R14:
000055bbb6580d90 R15: 0000000000000001
Nov 7 20:47:37 wzdell kernel: [ 212.704099] ---[ end trace
6b30e2bd6c85b37c ]---
--
Regards,
Wojtek