I have a ThinkPad T480 running Debian 12 with kernel 6.1.90-1.
I want to plug in a USB-C to DisplayPort Altmode cable so I can use 4K@60Hz on my external display. However if I plug in the cable the screen stays dark and I see this in dmesg.
What can I try?
I want to plug in a USB-C to DisplayPort Altmode cable so I can use 4K@60Hz on my external display. However if I plug in the cable the screen stays dark and I see this in dmesg.
What can I try?
Code:
[129503.593161] ------------[ cut here ]------------[129503.593170] WARNING: CPU: 5 PID: 1183972 at drivers/usb/typec/class.c:303 typec_altmode_update_active+0xf6/0x110 [typec][129503.593227] Modules linked in: ti_usb_3410_5052 cdc_acm usbserial typec_displayport xt_nat xt_tcpudp veth tun xt_conntrack nft_chain_nat xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 xfrm_user xfrm_algo xt_addrtype nft_compat nf_tables libcrc32c nfnetlink br_netfilter bridge stp llc ccm rfcomm snd_seq_dummy snd_hrtimer snd_seq qrtr cmac algif_hash algif_skcipher af_alg overlay bnep binfmt_misc snd_sof_pci_intel_skl intel_pmc_core_pltdrv intel_pmc_core snd_sof_intel_hda_common nls_ascii x86_pkg_temp_thermal nls_cp437 soundwire_intel intel_powerclamp vfat coretemp soundwire_generic_allocation soundwire_cadence fat snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp kvm_intel snd_sof snd_hda_codec_hdmi snd_sof_utils soundwire_bus snd_soc_skl kvm snd_soc_hdac_hda snd_hda_ext_core irqbypass snd_soc_sst_ipc btusb btrtl ghash_clmulni_intel snd_soc_sst_dsp iwlmvm snd_ctl_led btbcm snd_soc_acpi_intel_match btintel sha256_ssse3 snd_hda_codec_realtek btmtk[129503.593483] snd_soc_acpi sha1_ssse3 mei_hdcp intel_rapl_msr snd_hda_codec_generic bluetooth snd_soc_core mac80211 aesni_intel snd_compress crypto_simd cryptd snd_hda_intel libarc4 snd_intel_dspcfg jitterentropy_rng rapl snd_intel_sdw_acpi snd_usb_audio sha512_ssse3 iwlwifi uvcvideo intel_cstate snd_hda_codec snd_usbmidi_lib sha512_generic snd_rawmidi think_lmi videobuf2_vmalloc snd_hda_core iTCO_wdt intel_uncore videobuf2_memops processor_thermal_device_pci_legacy firmware_attributes_class intel_pmc_bxt thinkpad_acpi snd_seq_device ctr snd_hwdep intel_wmi_thunderbolt rmi_smbus videobuf2_v4l2 processor_thermal_device drbg cfg80211 pcspkr iTCO_vendor_support rmi_core wmi_bmof snd_pcm nvram processor_thermal_rfim videobuf2_common ee1004 platform_profile watchdog ansi_cprng ledtrig_audio snd_timer processor_thermal_mbox ucsi_acpi mei_me videodev processor_thermal_rapl ecdh_generic typec_ucsi snd intel_rapl_common intel_xhci_usb_role_switch int3403_thermal mc mei soundcore ecc[129503.593716] intel_pch_thermal roles intel_soc_dts_iosf typec rfkill int340x_thermal_zone sg ac int3400_thermal acpi_thermal_rel acpi_pad joydev evdev serio_raw msr parport_pc ppdev lp parport fuse dm_mod loop efi_pstore configfs efivarfs ip_tables x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic sd_mod hid_generic usbhid hid uas usb_storage scsi_mod scsi_common i915 drm_buddy i2c_algo_bit nvme drm_display_helper nvme_core cec t10_pi rc_core xhci_pci crc64_rocksoft ttm crc64 xhci_hcd crc_t10dif intel_lpss_pci drm_kms_helper crct10dif_generic intel_lpss i2c_i801 crct10dif_pclmul crc32_pclmul thunderbolt drm crc32c_intel psmouse e1000e usbcore crct10dif_common i2c_smbus video idma64 usb_common battery wmi button[129503.594004] CPU: 5 PID: 1183972 Comm: kworker/u16:21 Not tainted 6.1.0-21-amd64 #1 Debian 6.1.90-1[129503.594019] Hardware name: LENOVO 20L50000MH/20L50000MH, BIOS N24ET75W (1.50 ) 10/30/2023[129503.594027] Workqueue: USBC000:00-con2 ucsi_poll_worker [typec_ucsi][129503.594058] RIP: 0010:typec_altmode_update_active+0xf6/0x110 [typec][129503.594103] Code: 63 d1 48 8b 44 24 08 65 48 2b 04 25 28 00 00 00 75 1f 48 83 c4 10 5b 5d c3 cc cc cc cc e8 a2 94 db d0 84 c0 0f 85 75 ff ff ff <0f> 0b e9 6e ff ff ff e8 fe 32 6a d1 66 66 2e 0f 1f 84 00 00 00 00[129503.594114] RSP: 0018:ffffb92740433e10 EFLAGS: 00010246[129503.594126] RAX: 0000000000000000 RBX: ffff9f467ba53c08 RCX: 0000000000000002[129503.594134] RDX: ffff9f467ba53c08 RSI: 0000000000000001 RDI: ffffffffc1bbe140[129503.594142] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000[129503.594148] R10: 0000000000000005 R11: 0000000000000001 R12: ffff9f43e0a64378[129503.594154] R13: 0000000000000000 R14: ffff9f45c10f0d80 R15: ffff9f43ca41e248[129503.594162] FS: 0000000000000000(0000) GS:ffff9f4722740000(0000) knlGS:0000000000000000[129503.594172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[129503.594180] CR2: 00007ff54617f8e0 CR3: 000000012be10004 CR4: 00000000003706e0[129503.594189] Call Trace:[129503.594198] <TASK>[129503.594207] ? __warn+0x7d/0xc0[129503.594222] ? typec_altmode_update_active+0xf6/0x110 [typec][129503.594267] ? report_bug+0xe2/0x150[129503.594287] ? handle_bug+0x41/0x70[129503.594301] ? exc_invalid_op+0x13/0x60[129503.594312] ? asm_exc_invalid_op+0x16/0x20[129503.594332] ? typec_altmode_update_active+0xf6/0x110 [typec][129503.594376] ucsi_altmode_update_active+0x83/0xd0 [typec_ucsi][129503.594406] ucsi_check_altmodes+0x55/0x80 [typec_ucsi][129503.594433] ucsi_poll_worker+0x36/0x100 [typec_ucsi][129503.594461] process_one_work+0x1c4/0x380[129503.594481] worker_thread+0x4d/0x380[129503.594498] ? rescuer_thread+0x3a0/0x3a0[129503.594511] kthread+0xd7/0x100[129503.594524] ? kthread_complete_and_exit+0x20/0x20[129503.594539] ret_from_fork+0x1f/0x30[129503.594563] </TASK>[129503.594567] ---[ end trace 0000000000000000 ]---
Statistics: Posted by mwb — 2024-06-04 09:49 — Replies 1 — Views 49