** Changed in: linux-oem-5.14 (Ubuntu) Status: In Progress => Invalid
** Changed in: linux-oem-5.17 (Ubuntu) Status: In Progress => Invalid ** Changed in: linux-oem-5.17 (Ubuntu Jammy) Status: In Progress => Fix Committed ** Changed in: linux-oem-5.14 (Ubuntu Focal) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1976214 Title: [SRU][OEM-5.14/OEM-5.17/Jammy][PATCH 0/1] Fix i915 calltrace on new ADL BIOS Status in HWE Next: In Progress Status in linux package in Ubuntu: In Progress Status in linux-oem-5.14 package in Ubuntu: Invalid Status in linux-oem-5.17 package in Ubuntu: Invalid Status in linux-oem-5.14 source package in Focal: Fix Committed Status in linux source package in Jammy: In Progress Status in linux-oem-5.17 source package in Jammy: Fix Committed Bug description: [Impact] Call trace on new ADL BIOS: kernel: ------------[ cut here ]------------ kernel: Missing case (devdata->child.hdmi_max_data_rate == 3) kernel: WARNING: CPU: 8 PID: 491 at drivers/gpu/drm/i915/display/intel_bios.c:1954 parse_ddi_port+0x724/0xab0 [i915] kernel: Modules linked in: fjes(+) snd_intel_sdw_acpi iwlmvm(+) snd_hda_codec intel_powerclamp snd_hda_core coretemp i915(+) mac80211 snd_hwdep libarc4 thinkpad_acpi(+) nvram snd_pcm drm_buddy platform_profile ledtrig_audio ttm kv> kernel: think_lmi(+) syscopyarea serio_raw efi_pstore firmware_attributes_class wmi_bmof mtd hid_multitouch ecc intel_cstate joydev nci cfg80211 industrialio mei_me snd clk_tps68470 sysfillrect videodev typec_ucsi intel_rapl_comm> kernel: CPU: 8 PID: 491 Comm: systemd-udevd Not tainted 5.18.0-051800rc6-generic #202205082130 kernel: Hardware name: LENOVO 21CDSIT245/21CDSIT245, BIOS N3AET58W (1.23 ) 04/15/2022 kernel: RIP: 0010:parse_ddi_port+0x724/0xab0 [i915] kernel: calling iwl_mvm_init+0x0/0x1000 [iwlmvm] @ 645 kernel: Code: 45 31 ed 45 0f b6 c9 e9 89 fa ff ff 0f b6 d0 48 c7 c6 90 c7 b8 c1 48 c7 c7 ea 2e b7 c1 4c 89 5d c8 4c 89 55 d0 e8 92 5c ee e0 <0f> 0b 4c 8b 55 d0 4c 8b 5d c8 e9 f8 fb ff ff 31 db e9 7d fa ff ff kernel: RSP: 0018:ffffac58c136b910 EFLAGS: 00010282 kernel: RAX: 0000000000000000 RBX: 0000000000000009 RCX: 0000000000000027 kernel: RDX: ffff8e63376205a8 RSI: 0000000000000001 RDI: ffff8e63376205a0 kernel: RBP: ffffac58c136b968 R08: 0000000000000003 R09: 0000000000000019 kernel: R10: 000000000000000a R11: 20676e697373694d R12: ffff8e5c4e7c0000 kernel: R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000042 kernel: FS: 00007f17f9ba2880(0000) GS:ffff8e6337600000(0000) knlGS:0000000000000000 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: CR2: 000055695ac9c7c8 CR3: 0000000118806002 CR4: 0000000000770ee0 kernel: PKRU: 55555554 kernel: Call Trace: kernel: <TASK> kernel: intel_bios_init+0x4f5/0x6a0 [i915] kernel: intel_modeset_init_noirq+0x3a/0x260 [i915] kernel: i915_driver_probe+0x201/0x590 [i915] kernel: ? acpi_dev_found+0x66/0x70 kernel: i915_pci_probe+0x58/0x140 [i915] kernel: local_pci_probe+0x48/0x90 kernel: pci_call_probe+0x55/0x180 kernel: pci_device_probe+0x84/0x110 kernel: really_probe+0x1b3/0x390 kernel: __driver_probe_device+0x96/0x190 kernel: driver_probe_device+0x23/0xc0 kernel: __driver_attach+0xbd/0x1d0 kernel: ? __device_attach_driver+0x110/0x110 kernel: bus_for_each_dev+0x7c/0xc0 kernel: driver_attach+0x1e/0x30 kernel: bus_add_driver+0x162/0x200 kernel: driver_register+0x95/0xf0 kernel: __pci_register_driver+0x68/0x70 kernel: i915_pci_register_driver+0x23/0x30 [i915] kernel: i915_init+0x3b/0xeb [i915] kernel: ? 0xffffffffc1c70000 kernel: do_one_initcall+0x46/0x210 kernel: ? kmem_cache_alloc_trace+0x1a6/0x320 kernel: do_init_module+0x52/0x260 kernel: load_module+0xb81/0xc90 kernel: __do_sys_finit_module+0xc5/0x130 kernel: __x64_sys_finit_module+0x18/0x20 kernel: do_syscall_64+0x59/0x80 kernel: ? do_syscall_64+0x69/0x80 kernel: ? irqentry_exit+0x35/0x40 kernel: ? sysvec_reschedule_ipi+0x7b/0x120 kernel: ? asm_sysvec_reschedule_ipi+0xa/0x20 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xae kernel: RIP: 0033:0x7f17f9e4b73d kernel: Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 23 37 0d 00 f7 d8 64 89 01 48 kernel: RSP: 002b:00007ffc5d349e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 kernel: RAX: ffffffffffffffda RBX: 00005644ea7d3960 RCX: 00007f17f9e4b73d kernel: RDX: 0000000000000000 RSI: 00005644ea7db9a0 RDI: 0000000000000019 kernel: RBP: 0000000000020000 R08: 0000000000000000 R09: 0000000000000000 kernel: R10: 0000000000000019 R11: 0000000000000246 R12: 00005644ea7db9a0 kernel: R13: 0000000000000000 R14: 00005644ea5aaf60 R15: 00005644ea7d3960 kernel: </TASK> kernel: ---[ end trace 0000000000000000 ]--- [Fix] Update new TMDS clock setting defined by VBT to configure max TMDS clock rate. [Test] Verified on hardware, no errors or calltrace. [Where problems could occur] Low risk, add new definition on new hardware. It may break i915 driver. Backported in minor change because this part of code is made to a function. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1976214/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp