From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from scc-mailout-kit-01.scc.kit.edu (scc-mailout-kit-01.scc.kit.edu [141.52.71.239]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CD7301DD0EF; Tue, 9 Dec 2025 14:59:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=141.52.71.239 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765292374; cv=none; b=a4q120fhOMHPsahANt8grZlFvVBKr7Gq+hNcOM5guko0qd/gnQz7k94sagp92XvI9ctMRCBTdmdiN6XIFs+Ivb5NrFNkX5v8lbG4qs0zMKAYY96jh9XGuGrFlFd8W0n5o9SUM8XZOVHzcMlkfdIdhFRZvznCXBZDnkLVz0MnCLA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765292374; c=relaxed/simple; bh=Gi5ojHxT2oPSY2Cqh8GqJZjRx4TkPf9oex42s3f6vVM=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=YPIWywore/voloUc7AbIXCsxiAcuY+ayjux7UjNtIZDnRVa1klP2w5WxH9crHta4b3vrcCjWzIK7dAqLxqvsXJMV+AJh07Kz8QNoLm6Tlf7FTld73GU2Ar5qyCnlRD5nAAb8WtEWnFFPguTolJZQXzRoCy+ks9aP3TWWMADbzjc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=student.kit.edu; spf=pass smtp.mailfrom=student.kit.edu; dkim=pass (2048-bit key) header.d=student.kit.edu header.i=@student.kit.edu header.b=k8KATANa; arc=none smtp.client-ip=141.52.71.239 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=student.kit.edu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=student.kit.edu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=student.kit.edu header.i=@student.kit.edu header.b="k8KATANa" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=student.kit.edu; s=kit1; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:From:References:To:Subject:MIME-Version:Date:Message-ID:Sender: Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=BIp1PMyHIrUDARyus8p/gKvgRSWgcnTrgrQwzXkQf1E=; b=k8KATANa9CJVFEEwAF5U6lXXCL Ukge+RPDb9cRzgBuAQZE9DCYdS091pjbI4rFFQG7yjr8xWVzMc6YBrb9oyLl/IyeANInizP26q8Sg /BvvMc0xF5jL6F1aTx6rlWHA4ZOKolp4E4YPByeOhc0x2HgJluu4p+LoumDsbCWzKrzF2jbt6AD9U 6LkEoSv4wbXzQcTcsOnAHFYt/466lRdAfwRZJa2xWKCiMbmE6uHmE3X1+eQiKmtbSMudePZBJ4RYF FpmBR80xsUM57KuMO5BzZCy76r9iw7AMunGNX8g+bUMZJZTsWiTzDOcN81B5SwYo8lY/qeiw7B6KO kmLnR8cw==; Received: from kit-msx-45.kit.edu ([2a00:1398:9:f612::145]) by scc-mailout-kit-01.scc.kit.edu with esmtps (TLS1.2:ECDHE_SECP384R1__RSA_SHA256__AES_256_GCM:256) (envelope-from ) id 1vSzBS-0000000ABsD-0jcJ; Tue, 09 Dec 2025 15:59:22 +0100 Received: from [IPV6:2001:7c7:20e8:134:5275:14f3:3282:3c3] (2001:7c7:20e8:134:5275:14f3:3282:3c3) by smtp.kit.edu (2a00:1398:9:f612::106) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Tue, 9 Dec 2025 15:59:19 +0100 Message-ID: <7817ae7c-72d3-470d-b043-51bcfbee31b1@student.kit.edu> Date: Tue, 9 Dec 2025 15:59:06 +0100 Precedence: bulk X-Mailing-List: bugs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [6.12.61 lts] [amdgpu]: regression: broken multi-monitor USB4 dock on Ryzen 7840U To: Harshit Mogalapalli , , , , , , , , , , References: <9444c2d3-2aaf-4982-9f75-23dc814c3885@student.kit.edu> Content-Language: en-US, de-DE From: =?UTF-8?Q?P=C3=A9ter_Bohner?= Autocrypt: addr=peter.bohner@student.kit.edu; keydata= xjMEZlcqPBYJKwYBBAHaRw8BAQdAujEt8nGiqXlRzKWzklo/PFVaTiUdA6z4ptXk8gUpZZPN LFDDqXRlciBCb2huZXIgPHBldGVyLmJvaG5lckBzdHVkZW50LmtpdC5lZHU+wokEExYIADEW IQR4QiuKMuzoE9FfVrf+973rw/xgRwUCZlcqPAIbAwQLCQgHBRUICQoLBRYCAwEAAAoJEP73 vevD/GBH4k4A/jn/XvRQH5Od/m9FpAc3xIwzOjOjFRogJqjNN8h7WGIpAP90BCUs7idkZS/U 9ASZrK6ubOZV+pEHq9C0mSoVTjwkDc44BGZXKjwSCisGAQQBl1UBBQEBB0AyMulJt5lkL/5E hrwAaZiEOSigauCQR7o58Pnzh5hwGAMBCAfCeAQYFggAIBYhBHhCK4oy7OgT0V9Wt/73vevD /GBHBQJmVyo8AhsMAAoJEP73vevD/GBHRjYA/0Z40p2r7jZGqQeJB5Exh3sBjLNnuuMw5DXr KxFIdY8/AQDj6Xn+3dAOMHJfo17HT8zHn61PvclzVJZCriEmBcSsDQ== In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit Hi Harshit, > 1. Is this reproducible on MAINLINE 6.18 ? I can't test that, as I am using ZFS-on-root and ZOL currently supports only up to 6.17. >  2. Can you bisect the cause between 6.12.59 and 6.12.60 ? (using git bisect) - Documentation: https://docs.kernel.org/admin-guide/bug-bisect.html I have bisected it to (first bad commit): commit ded77c1209169bd40996caf5c5dfe1a228a587ab  drm/amd/display: Fix pbn to kbps Conversion. I've CC'd the author & signed-off folks to the thread. thanks, ~ Peter On 09/12/2025 10:46, Harshit Mogalapalli wrote: > Hi Peter, > > On 09/12/25 15:00, Péter Bohner wrote: >> Hi Harshit, >> >> sorry for the late reply (and replying privately at first), >> I had to wait for the release. >> > > Np! > >> Unexpectedly, this is NOT fixed, persisting in 6.12.61, same trace. >> > > Sorry I guessed it based on the fixes that went into 6.12.61. Sorry > about the incorrect guess. > > I don't know if this is a known issue then. Couple of thing I would > try is: > > 1. Is this reproducible on MAINLINE 6.18 ? > 2. Can you bisect the cause between 6.12.59 and 6.12.60 ? (using git > bisect) - Documentation: > https://docs.kernel.org/admin-guide/bug-bisect.html > > thanks, > Harshit > >> regards, >> ~Peter >> >> On 05/12/2025 19:10, Harshit Mogalapalli wrote: >>> Hi, >>> >>> On 05/12/25 20:52, Péter Bohner wrote: >>>> upgrading from 6.12.59 to 6.12.60 broke my USB4 (Dynabook >>>> Thunderbolt 4 Dock)'s video output with my Framework 13 (AMD Ryzen >>>> 7840U / Radeom 780M igpu) . >>>> With two monitors plugged in, only one of them works, the other >>>> (always the one on the 'video 2' output) remains blank (but >>>> receives signal). >>>> >>>> relevant dmesg [note: tainted by ZFS] >>>> (full output at: https://gist.github.com/x- >>>> zvf/128d45d028230438b8777c40759fa997): >>>> >>> >>> Just a note: >>> >>> This looks related to whats fixed in 6.12.61: >>> >>> https://lore.kernel.org/ >>> stable/20251203152345.111596485@linuxfoundation.org/ >>> >>> Try with 6.12.61 maybe ? >>> >>> Thanks, >>> Harshit >>> >>>> >>>> [drm:amdgpu_dm_process_dmub_aux_transfer_sync [amdgpu]] *ERROR* >>>> wait_for_completion_timeout timeout! >>>> ------------[ cut here ]------------ >>>> WARNING: CPU: 15 PID: 3064 at >>>> drivers/gpu/drm/amd/amdgpu/../display/ dc/ >>>> link/hwss/link_hwss_dpia.c:49 >>>> update_dpia_stream_allocation_table+0xf2/0x100 [amdgpu] >>>> Modules linked in: hid_logitech_hidpp hid_logitech_dj snd_seq_midi >>>> snd_seq_midi_event uvcvideo videobuf2_vmalloc uvc videobuf2_memops >>>> snd_usb_audio videobuf2_v4l2 videobuf2_common snd_usbmidi_lib >>>> snd_ump videodev snd_rawmidi mc cdc_ether usbnet mii uas >>>> usb_storage ccm snd_seq_dummy rfcomm snd_hrtimer snd_seq >>>> snd_seq_device tun ip6t_REJECT nf_reject_ipv6 ipt_REJECT >>>> nf_reject_ipv4 xt_multiport xt_cgroup xt_mark xt_owner xt_tcpudp >>>> ip6table_raw iptable_raw ip6table_mangle iptable_mangle >>>> ip6table_nat iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 >>>> nf_defrag_ipv4 libcrc32c crc32c_generic ip6table_filter ip6_tables >>>> iptable_filter uhid cmac algif_hash algif_skcipher af_alg bnep vfat >>>> fat amd_atl intel_rapl_msr intel_rapl_common snd_sof_amd_acp70 >>>> snd_sof_amd_acp63 snd_soc_acpi_amd_match snd_sof_amd_vangogh >>>> snd_sof_amd_rembrandt snd_sof_amd_renoir snd_sof_amd_acp >>>> snd_sof_pci snd_sof_xtensa_dsp snd_sof mt7921e snd_sof_utils >>>> mt7921_common snd_pci_ps mt792x_lib snd_hda_codec_realtek >>>> snd_amd_sdw_acpi soundwire_amd kvm_amd >>>>   mt76_connac_lib snd_hda_codec_generic >>>> soundwire_generic_allocation snd_hda_scodec_component >>>> snd_hda_codec_hdmi mousedev mt76 soundwire_bus snd_hda_intel kvm >>>> snd_soc_core snd_intel_dspcfg irqbypass snd_intel_sdw_acpi mac80211 >>>> snd_compress ac97_bus crct10dif_pclmul hid_sensor_als >>>> snd_pcm_dmaengine snd_hda_codec crc32_pclmul hid_sensor_trigger >>>> crc32c_intel snd_rpl_pci_acp6x industrialio_triggered_buffer >>>> snd_acp_pci polyval_clmulni kfifo_buf snd_hda_core >>>> snd_acp_legacy_common polyval_generic libarc4 hid_sensor_iio_common >>>> industrialio ghash_clmulni_intel leds_cros_ec cros_ec_sysfs >>>> cros_ec_hwmon cros_kbd_led_backlight cros_charge_control >>>> led_class_multicolor gpio_cros_ec cros_ec_chardev cros_ec_debugfs >>>> sha512_ssse3 snd_hwdep snd_pci_acp6x hid_multitouch joydev spd5118 >>>> hid_sensor_hub cros_ec_dev sha256_ssse3 snd_pcm btusb cfg80211 >>>> sha1_ssse3 btrtl aesni_intel snd_pci_acp5x btintel snd_timer >>>> snd_rn_pci_acp3x sp5100_tco gf128mul ucsi_acpi crypto_simd btbcm >>>> snd_acp_config snd amd_pmf typec_ucsi cryptd snd_soc_acpi >>>>   i2c_piix4 btmtk bluetooth rapl wmi_bmof pcspkr typec k10temp >>>> thunderbolt amdtee soundcore ccp snd_pci_acp3x i2c_smbus rfkill >>>> roles cros_ec_lpcs i2c_hid_acpi amd_sfh cros_ec platform_profile >>>> i2c_hid tee amd_pmc mac_hid i2c_dev crypto_user dm_mod loop >>>> nfnetlink bpf_preload ip_tables x_tables hid_generic usbhid amdgpu >>>> zfs(POE) crc16 amdxcp spl(OE) i2c_algo_bit drm_ttm_helper ttm >>>> serio_raw drm_exec atkbd gpu_sched libps2 vivaldi_fmap >>>> drm_suballoc_helper nvme drm_buddy i8042 drm_display_helper >>>> nvme_core video serio cec nvme_auth wmi >>>> CPU: 15 UID: 1000 PID: 3064 Comm: kwin_wayland Tainted: P  OE >>>> 6.12.60-1- lts #1 9b11292f14ae477e878a6bb6a5b5efc27ccf021d >>>> Tainted: [P]=PROPRIETARY_MODULE, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE >>>> Hardware name: Framework Laptop 13 (AMD Ryzen >>>> 7040Series)/FRANMDCP07, BIOS 03.16 07/25/2025 >>>> RIP: 0010:update_dpia_stream_allocation_table+0xf2/0x100 [amdgpu] >>>> Code: d0 0f 1f 00 48 8b 44 24 08 65 48 2b 04 25 28 00 00 00 75 1a >>>> 48 83 c4 10 5b 5d 41 5c 41 5d e9 10 ec e3 d9 31 db e9 6f ff ff ff >>>> <0f> 0b eb 8a e8 05 09 c3 d9 0f 1f 44 00 00 90 90 90 90 90 90 90 90 >>>> RSP: 0018:ffffd26fe3473248 EFLAGS: 00010282 >>>> RAX: 00000000ffffffff RBX: 0000000000000025 RCX: 0000000000001140 >>>> RDX: 00000000ffffffff RSI: ffffd26fe34731f0 RDI: ffff8bb78c7bb608 >>>> RBP: ffff8bb7982c3b88 R08: 00000000ffffffff R09: 0000000000001100 >>>> R10: ffffd27000ef9900 R11: ffff8bb78c7bb400 R12: ffff8bb7982ed600 >>>> R13: ffff8bb7982c3800 R14: ffff8bb984e402a8 R15: ffff8bb7982c38c8 >>>> FS:  000073883c086b80(0000) GS:ffff8bc51e180000(0000) >>>> knlGS:0000000000000000 >>>> CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >>>> CR2: 00002020005ba004 CR3: 000000014396e000 CR4: 0000000000f50ef0 >>>> PKRU: 55555554 >>>> Call Trace: >>>>    >>>>   ? link_set_dpms_on+0x7a5/0xc70 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   link_set_dpms_on+0x806/0xc70 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   dce110_apply_single_controller_ctx_to_hw+0x300/0x480 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   dce110_apply_ctx_to_hw+0x24c/0x2e0 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   ? dcn10_setup_stereo+0x160/0x170 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   dc_commit_state_no_check+0x63d/0xeb0 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   dc_commit_streams+0x296/0x490 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? schedule_timeout+0x133/0x170 >>>>   amdgpu_dm_atomic_commit_tail+0x6a1/0x3a10 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? psi_task_switch+0x113/0x2a0 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? schedule+0x27/0xf0 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? schedule_timeout+0x133/0x170 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? dma_fence_default_wait+0x8b/0x230 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? wait_for_completion_timeout+0x12e/0x180 >>>>   commit_tail+0xae/0x140 >>>>   drm_atomic_helper_commit+0x13c/0x180 >>>>   drm_atomic_commit+0xa6/0xe0 >>>>   ? __pfx___drm_printfn_info+0x10/0x10 >>>>   drm_mode_atomic_ioctl+0xa60/0xcd0 >>>>   ? sock_poll+0x51/0x110 >>>>   ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 >>>>   drm_ioctl_kernel+0xad/0x100 >>>>   drm_ioctl+0x286/0x500 >>>>   ? __pfx_drm_mode_atomic_ioctl+0x10/0x10 >>>>   amdgpu_drm_ioctl+0x4a/0x80 [amdgpu >>>> d75f7e51e39957084964278ab74da83065554c01] >>>>   __x64_sys_ioctl+0x91/0xd0 >>>>   do_syscall_64+0x7b/0x190 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? __x64_sys_ppoll+0xf8/0x180 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? syscall_exit_to_user_mode+0x37/0x1c0 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? do_syscall_64+0x87/0x190 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? do_syscall_64+0x87/0x190 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? do_syscall_64+0x87/0x190 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? do_syscall_64+0x87/0x190 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? do_syscall_64+0x87/0x190 >>>>   ? srso_alias_return_thunk+0x5/0xfbef5 >>>>   ? irqentry_exit_to_user_mode+0x2c/0x1b0 >>>>   entry_SYSCALL_64_after_hwframe+0x76/0x7e >>>> RIP: 0033:0x738842d9b70d >>>> Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 >>>> 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 >>>> <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00 >>>> RSP: 002b:00007ffe3c7ed230 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 >>>> RAX: ffffffffffffffda RBX: 0000634abd49c210 RCX: 0000738842d9b70d >>>> RDX: 00007ffe3c7ed320 RSI: 00000000c03864bc RDI: 0000000000000013 >>>> RBP: 00007ffe3c7ed280 R08: 0000634abc4049bc R09: 0000634abce43e80 >>>> R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe3c7ed320 >>>> R13: 00000000c03864bc R14: 0000000000000013 R15: 0000634abc404840 >>>>    >>>> ---[ end trace 0000000000000000 ]--- >>>> >>>> >>>> regards, >>>> ~ Peter >>>> >>>> >>>> >>>> >>> > -- Mit freundlichen Grüßen Péter Bohner