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Old 10-23-2020, 01:27 PM   #1
shl1980
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Join Date: Oct 2020
Posts: 2
Default displaylink keep crashing on Kubuntu 20.04

I'm experiencing crashes quite often (sometime even every 10 minutes)
Attaching the report produced by DisplayLink Linux Support Tool
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File Type: zip DLSupportTool_Output_2020-10-23T14:24:38.186101.zip (3.53 MB, 2 views)
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Old 10-24-2020, 08:46 PM   #2
udippel
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Join Date: Mar 2019
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Default

I can confirm this. After almost two years of no problem, and an upgrade of Kubuntu to 20.04 everything worked fine, until I attached the PC to its dock. Now it freezes at least once a day.
Maybe coincidental, but here it seems most prone to freezes when using the command line in a Konsole.
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Old 10-27-2020, 06:09 PM   #3
shl1980
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Join Date: Oct 2020
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Default still crashing

here is the relevant (I think) part from kern.log:

Oct 27 19:02:33 brok kernel: [ 3322.111015] ------------[ cut here ]------------
Oct 27 19:02:33 brok kernel: [ 3322.111021] WARN_ON(bound & ((((1UL))) << (8)))
Oct 27 19:02:33 brok kernel: [ 3322.111362] WARNING: CPU: 0 PID: 733 at drivers/gpu/drm/i915/i915_vma.c:722 __i915_vma_do_pin+0x2ad/0x470 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.111365] Modules linked in: vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) rfcomm ccm cmac algif_hash algif_skcipher af_alg bnep snd_hda_codec_hdmi mei_hdcp snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio intel_rapl_msr snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_hda_core snd_usbmidi_lib snd_hwdep snd_seq_midi snd_seq_midi_event snd_rawmidi cdc_mbim snd_pcm snd_seq cdc_wdm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 x86_pkg_temp_thermal intel_powerclamp coretemp videobuf2_common videodev cdc_ncm usbnet mc mii kvm_intel iwlmvm mac80211 btusb btrtl joydev kvm libarc4 btbcm btintel snd_seq_device rapl snd_timer intel_cstate iwlwifi bluetooth asus_nb_wmi nls_iso8859_1 ecdh_generic ecc asus_wmi wmi_bmof sparse_keymap snd input_leds cfg80211 serio_raw soundcore hid_multitouch processor_thermal_device intel_xhci_usb_role_switch intel_rapl_common intel_soc_dts_iosf mei_me roles mei intel_pch_thermal int3403_thermal int340x_thermal_zone acpi_als mac_hid
Oct 27 19:02:33 brok kernel: [ 3322.111463] kfifo_buf int3400_thermal industrialio asus_wireless acpi_thermal_rel acpi_pad sch_fq_codel evdi(OE) parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_plantronics usbhid hid_generic i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul syscopyarea crc32_pclmul sysfillrect sysimgblt ghash_clmulni_intel fb_sys_fops aesni_intel crypto_simd cryptd glue_helper i2c_i801 drm ahci intel_lpss_pci intel_lpss libahci idma64 virt_dma wmi i2c_hid hid video
Oct 27 19:02:33 brok kernel: [ 3322.111528] CPU: 0 PID: 733 Comm: Xorg Tainted: G OE 5.4.0-52-generic #57-Ubuntu
Oct 27 19:02:33 brok kernel: [ 3322.111531] Hardware name: ASUSTeK COMPUTER INC. UX430UA/UX430UA, BIOS UX430UA.300 04/25/2017
Oct 27 19:02:33 brok kernel: [ 3322.111723] RIP: 0010:__i915_vma_do_pin+0x2ad/0x470 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.111730] Code: 39 c0 4c 0f 47 c0 e9 64 fe ff ff c7 45 b4 00 00 00 00 e9 b3 fe ff ff 48 c7 c6 50 a3 78 c0 48 c7 c7 d2 a6 7a c0 e8 8e 58 c0 df <0f> 0b 49 83 ac 24 08 01 00 00 01 41 bd f0 ff ff ff e9 c6 fd ff ff
Oct 27 19:02:33 brok kernel: [ 3322.111733] RSP: 0018:ffffa6f900ff79e0 EFLAGS: 00010282
Oct 27 19:02:33 brok kernel: [ 3322.111738] RAX: 0000000000000000 RBX: ffff90548bcee400 RCX: 0000000000000000
Oct 27 19:02:33 brok kernel: [ 3322.111742] RDX: 0000000000000023 RSI: ffffffffa1d955c3 RDI: 0000000000000246
Oct 27 19:02:33 brok kernel: [ 3322.111746] RBP: ffffa6f900ff7a30 R08: ffffffffa1d955a0 R09: 0000000000000023
Oct 27 19:02:33 brok kernel: [ 3322.111749] R10: ffffffffa1d95980 R11: 00000000a1d9559f R12: ffff90548bcee400
Oct 27 19:02:33 brok kernel: [ 3322.111752] R13: ffff90548cfaf000 R14: 0000000000000098 R15: 00000000000003ff
Oct 27 19:02:33 brok kernel: [ 3322.111758] FS: 00007f6a0c794a80(0000) GS:ffff905496a00000(0000) knlGS:0000000000000000
Oct 27 19:02:33 brok kernel: [ 3322.111761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Oct 27 19:02:33 brok kernel: [ 3322.111764] CR2: 00007fc8389e7000 CR3: 000000024626c005 CR4: 00000000003606f0
Oct 27 19:02:33 brok kernel: [ 3322.111767] Call Trace:
Oct 27 19:02:33 brok kernel: [ 3322.111784] ? try_to_wake_up+0x224/0x6a0
Oct 27 19:02:33 brok kernel: [ 3322.111980] ? i915_fence_release+0x18/0x20 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.112172] eb_lookup_vmas+0x688/0xb70 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.112370] ? eb_pin_engine+0x255/0x410 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.112616] i915_gem_do_execbuffer+0x38f/0xc20 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.112681] ? drm_atomic_helper_plane_destroy_state+0x1e/0x30 [drm_kms_helper]
Oct 27 19:02:33 brok kernel: [ 3322.112815] ? drm_atomic_state_default_clear+0x1bf/0x2b0 [drm]
Oct 27 19:02:33 brok kernel: [ 3322.113071] ? __intel_fbc_post_update+0x1f/0x580 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.113104] ? __kmalloc_node+0x20e/0x330
Oct 27 19:02:33 brok kernel: [ 3322.113255] i915_gem_execbuffer2_ioctl+0x2c3/0x3d0 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.113356] ? i915_gem_execbuffer_ioctl+0x2d0/0x2d0 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.113388] drm_ioctl_kernel+0xae/0xf0 [drm]
Oct 27 19:02:33 brok kernel: [ 3322.113417] drm_ioctl+0x234/0x3d0 [drm]
Oct 27 19:02:33 brok kernel: [ 3322.113523] ? i915_gem_execbuffer_ioctl+0x2d0/0x2d0 [i915]
Oct 27 19:02:33 brok kernel: [ 3322.113531] ? __fpu__restore_sig+0x4a7/0x600
Oct 27 19:02:33 brok kernel: [ 3322.113538] do_vfs_ioctl+0x407/0x670
Oct 27 19:02:33 brok kernel: [ 3322.113543] ? recalc_sigpending+0x1c/0x60
Oct 27 19:02:33 brok kernel: [ 3322.113549] ? _copy_from_user+0x3e/0x60
Oct 27 19:02:33 brok kernel: [ 3322.113553] ksys_ioctl+0x67/0x90
Oct 27 19:02:33 brok kernel: [ 3322.113558] __x64_sys_ioctl+0x1a/0x20
Oct 27 19:02:33 brok kernel: [ 3322.113565] do_syscall_64+0x57/0x190
Oct 27 19:02:33 brok kernel: [ 3322.113574] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Oct 27 19:02:33 brok kernel: [ 3322.113578] RIP: 0033:0x7f6a0caf450b
Oct 27 19:02:33 brok kernel: [ 3322.113583] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b
0d 55 39 0d 00 f7 d8 64 89 01 48
Oct 27 19:02:33 brok kernel: [ 3322.113586] RSP: 002b:00007ffde1b37ad8 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
Oct 27 19:02:33 brok kernel: [ 3322.113590] RAX: ffffffffffffffda RBX: 0000559728837340 RCX: 00007f6a0caf450b
Oct 27 19:02:33 brok kernel: [ 3322.113592] RDX: 00007ffde1b37af0 RSI: 0000000040406469 RDI: 0000000000000013
Oct 27 19:02:33 brok kernel: [ 3322.113594] RBP: 00007ffde1b37b80 R08: 0000559728841840 R09: 0000000000000000
Oct 27 19:02:33 brok kernel: [ 3322.113596] R10: 00007ffde1b37ba0 R11: 0000000000003246 R12: 00007f6a0c097b28
Oct 27 19:02:33 brok kernel: [ 3322.113597] R13: 0000000000000004 R14: 00007ffde1b37af0 R15: 0000000000000013
Oct 27 19:02:33 brok kernel: [ 3322.113603] ---[ end trace ef8ce23fb1a6b4ce ]---
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