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Groups > linux.debian.kernel > #88238

Bug#1108609: Very often fails do detects external monitors connected via Dock and USB-C

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Hello Bastian,

On Tue, Jul 01, 2025 at 12:14:09PM +0200, Bastian Venthur wrote:
> Package: linux-image-amd64
> Version: 6.15.4-1~exp1
> Severity: normal
> X-Debbugs-Cc: venthur@debian.org
> 
> Hi,
> 
> when I try to connect my Laptop with my Dell docking station via USB-C, in most
> cases the external monitors (connected via the dock) do not turn on. I have to
> plug and unplug many times before it eventually works.
> 
> The machine is a fairly new Thinkpad with AMD Ryzen AI 7 PRO 360 w/ Radeon
> 880M.
> 
> Usually, I see this message on failure:
> 
> [  166.156526] amdgpu 0000:c3:00.0: [drm] Alt mode has timed out after 218 ms
> 
> preceded shortly before by this trace:
> 
> [  156.142070] r8152-cfgselector 8-1.2: USB disconnect, device number 9
> [  156.267977] usb 7-1.3: USB disconnect, device number 24
> [  156.619196] usb 7-1.5: USB disconnect, device number 25
> [  156.651072] usb 7-1.6: USB disconnect, device number 26
> [  156.651083] usb 7-1.6.1: USB disconnect, device number 27
> [  163.838956] usb 7-1: new high-speed USB device number 28 using xhci_hcd
> [  163.980437] usb 7-1: New USB device found, idVendor=0424, idProduct=2807, bcdDevice= 2.04
> [  163.980457] usb 7-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> [  163.980460] usb 7-1: Product: USB2807 Hub
> [  163.980464] usb 7-1: Manufacturer: Microchip
> [  164.032420] hub 7-1:1.0: USB hub found
> [  164.032763] hub 7-1:1.0: 7 ports detected
> [  164.382520] usb 7-1.1: new low-speed USB device number 29 using xhci_hcd
> [  164.503526] usb 7-1.1: New USB device found, idVendor=045e, idProduct=00cb, bcdDevice= 1.00
> [  164.503539] usb 7-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> [  164.503541] usb 7-1.1: Product: Microsoft USB Optical Mouse
> [  164.503543] usb 7-1.1: Manufacturer: PixArt
> [  164.548692] input: PixArt Microsoft USB Optical Mouse as /devices/pci0000:00/0000:00:08.3/0000:c5:00.4/usb7/7-1/7-1.1/7-1.1:1.0/0003:045E:00CB.0021/input/input59
> [  164.548943] hid-generic 0003:045E:00CB.0021: input,hidraw1: USB HID v1.11 Mouse [PixArt Microsoft USB Optical Mouse] on usb-0000:c5:00.4-1.1/input0
> [  164.607023] usb 8-1: new SuperSpeed USB device number 10 using xhci_hcd
> [  164.623230] usb 8-1: New USB device found, idVendor=0424, idProduct=5807, bcdDevice= 2.04
> [  164.623240] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
> [  164.623242] usb 8-1: Product: USB5807 Hub
> [  164.623244] usb 8-1: Manufacturer: Microchip
> [  164.656424] hub 8-1:1.0: USB hub found
> [  164.656677] hub 8-1:1.0: 7 ports detected
> [  164.694477] usb 7-1.2: new high-speed USB device number 30 using xhci_hcd
> [  165.382504] amdgpu 0000:c3:00.0: [drm] *ERROR* flip_done timed out
> [  165.382518] amdgpu 0000:c3:00.0: [drm] *ERROR* Failed to wait for crtc-1: -110
> [  165.382985] ------------[ cut here ]------------
> [  165.382991] WARNING: CPU: 0 PID: 2863 at drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:631 amdgpu_irq_put+0x46/0x70 [amdgpu]
> [  165.383282] Modules linked in: sd_mod scsi_mod scsi_common hid_apple apple_mfi_fastcharge r8153_ecm cdc_ether usbnet snd_usb_audio snd_usbmidi_lib snd_rawmidi r8152 mii libphy usbhid snd_seq_dummy snd_hrtimer >
> [  165.383328]  videobuf2_memops btintel snd_pci_acp5x kvm_amd snd_hwdep thinkpad_acpi mac80211 amd_pmf videobuf2_v4l2 btbcm snd_rn_pci_acp3x snd_pcm nvram kvm amdtee libarc4 videodev btmtk snd_acp_config snd_tim>
> [  165.383386]  usbcore roles video cryptd serio_raw thunderbolt i2c_smbus crc16 nvme_auth fan button usb_common drm battery wmi
> [  165.383401] CPU: 0 UID: 1000 PID: 2863 Comm: KMS thread Tainted: G        W           6.15-amd64 #1 PREEMPT(lazy)  Debian 6.15.4-1~exp1 
> [  165.383407] Tainted: [W]=WARN
> [  165.383408] Hardware name: LENOVO 21M1S09200/21M1S09200, BIOS R2NET36W (1.10 ) 11/22/2024
> [  165.383411] RIP: 0010:amdgpu_irq_put+0x46/0x70 [amdgpu]
> [  165.383673] Code: c0 74 33 48 8b 4e 10 48 83 39 00 74 29 89 d1 48 8d 04 88 8b 08 85 c9 74 11 f0 ff 08 74 07 31 c0 c3 cc cc cc cc e9 2a fd ff ff <0f> 0b b8 ea ff ff ff c3 cc cc cc cc b8 ea ff ff ff c3 cc cc cc >
> [  165.383676] RSP: 0018:ffffcc72c7cdb528 EFLAGS: 00010046
> [  165.383679] RAX: ffff8c1b23c9eab4 RBX: ffff8c1b08ecb000 RCX: 0000000000000000
> [  165.383681] RDX: 0000000000000001 RSI: ffff8c1b238102d0 RDI: ffff8c1b23800000
> [  165.383682] RBP: ffff8c1b23800010 R08: 0000000000000001 R09: ffffffffc1d0a608
> [  165.383684] R10: ffffcc72c7cdb400 R11: ffffcc72c7cdb404 R12: 0000000000000000
> [  165.383685] R13: ffff8c1b23800000 R14: 0000000000000001 R15: ffff8c1b1a589200
> [  165.383687] FS:  00007f16a2dff6c0(0000) GS:ffff8c2a6cfd1000(0000) knlGS:0000000000000000
> [  165.383689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [  165.383690] CR2: 00005575600d25b8 CR3: 000000010a4b4000 CR4: 0000000000f50ef0
> [  165.383692] PKRU: 55555554
> [  165.383693] Call Trace:
> [  165.383698]  <TASK>
> [  165.383700]  amdgpu_dm_crtc_set_vblank+0x1c2/0x260 [amdgpu]
> [  165.384160]  drm_vblank_disable_and_save+0xb7/0x100 [drm]
> [  165.384204]  drm_crtc_vblank_off+0xce/0x2a0 [drm]
> [  165.384219]  ? __pfx_kthread_flush_work_fn+0x10/0x10
> [  165.384224]  amdgpu_dm_atomic_commit_tail+0x1d9/0x4780 [amdgpu]
> [  165.384449]  ? prb_read_valid+0x1b/0x30
> [  165.384453]  ? console_unlock+0x9c/0x140
> [  165.384454]  ? vprintk_emit+0x136/0x3b0
> [  165.384459]  ? dev_printk_emit+0x61/0x80
> [  165.384461]  ? __dev_printk+0x2d/0x70
> [  165.384463]  ? __dev_printk+0x2d/0x70
> [  165.384464]  ? __wait_for_common+0x183/0x1b0
> [  165.384467]  ? __pfx_schedule_timeout+0x10/0x10
> [  165.384469]  ? _dev_err+0x7c/0x96
> [  165.384472]  commit_tail+0xac/0x160 [drm_kms_helper]
> [  165.384481]  drm_atomic_helper_commit+0x11a/0x140 [drm_kms_helper]
> [  165.384486]  drm_atomic_commit+0xae/0xe0 [drm]
> [  165.384500]  ? __pfx___drm_printfn_info+0x10/0x10 [drm]
> [  165.384513]  drm_mode_atomic_ioctl+0xa99/0xcd0 [drm]
> [  165.384526]  ? __pfx_drm_property_free_blob+0x10/0x10 [drm]
> [  165.384542]  ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm]
> [  165.384553]  drm_ioctl_kernel+0xab/0x100 [drm]
> [  165.384572]  drm_ioctl+0x28f/0x510 [drm]
> [  165.384583]  ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 [drm]
> [  165.384594]  amdgpu_drm_ioctl+0x4b/0x80 [amdgpu]
> [  165.384696]  __x64_sys_ioctl+0x94/0xc0
> [  165.384698]  do_syscall_64+0x82/0x190
> [  165.384701]  ? ktime_get_mono_fast_ns+0x38/0xd0
> [  165.384704]  ? amdgpu_drm_ioctl+0x6e/0x80 [amdgpu]
> [  165.384804]  ? syscall_exit_to_user_mode+0x4d/0x210
> [  165.384806]  ? do_syscall_64+0x8e/0x190
> [  165.384807]  ? syscall_exit_to_user_mode+0x4d/0x210
> [  165.384809]  ? do_syscall_64+0x8e/0x190
> [  165.384810]  ? syscall_exit_to_user_mode+0x4d/0x210
> [  165.384811]  ? do_syscall_64+0x8e/0x190
> [  165.384812]  ? __x64_sys_timerfd_settime+0xa4/0x100
> [  165.384815]  ? syscall_exit_to_user_mode+0x4d/0x210
> [  165.384817]  ? do_syscall_64+0x8e/0x190
> [  165.384818]  ? __rseq_handle_notify_resume+0xa5/0x4d0
> [  165.384820]  ? __x64_sys_ppoll+0xf3/0x160
> [  165.384821]  ? restore_fpregs_from_fpstate+0x3c/0x90
> [  165.384824]  ? switch_fpu_return+0x4e/0xd0
> [  165.384826]  ? syscall_exit_to_user_mode+0x172/0x210
> [  165.384827]  ? do_syscall_64+0x8e/0x190
> [  165.384828]  ? do_syscall_64+0x8e/0x190
> [  165.384829]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
> [  165.384831] RIP: 0033:0x7f16cbb168db
> [  165.384873] RSP: 002b:00007f16a2dfe250 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
> [  165.384874] RAX: ffffffffffffffda RBX: 00007f169c0340c0 RCX: 00007f16cbb168db
> [  165.384875] RDX: 00007f16a2dfe2f0 RSI: 00000000c03864bc RDI: 000000000000000c
> [  165.384876] RBP: 00007f16a2dfe2f0 R08: 00007f169c000030 R09: 0000000000000001
> [  165.384876] R10: 0000000000000017 R11: 0000000000000246 R12: 00000000c03864bc
> [  165.384877] R13: 000000000000000c R14: 00007f169c0298d0 R15: 00007f169c002a30
> [  165.384878]  </TASK>
> [  165.384879] ---[ end trace 0000000000000000 ]---

Can you please forward that to the bug tracker at
https://gitlab.freedesktop.org/drm/amd/-/issues and set this bug as
forwarded accordingly?

Best regards
Uwe

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Bug#1108609: Very often fails do detects external monitors connected via Dock and USB-C Bastian Venthur <venthur@debian.org> - 2025-07-01 12:20 +0200
  Bug#1108609: Very often fails do detects external monitors connected via Dock and USB-C Uwe Kleine-König <u.kleine-koenig@baylibre.com> - 2025-07-03 09:20 +0200
    Bug#1108609: Very often fails do detects external monitors connected via Dock and USB-C Bastian Venthur <venthur@debian.org> - 2025-07-03 10:30 +0200
      Processed: Re: Bug#1108609: Very often fails do detects external  monitors connected via Dock and USB-C "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-07-03 10:30 +0200
  Bug#1108609: Very often fails do detects external monitors connected via Dock and USB-C Bastian Venthur <venthur@debian.org> - 2025-07-23 17:10 +0200

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