On 29.03.23 13:37, Hans de Goede wrote: > > On 3/29/23 13:25, Linux regression tracking (Thorsten Leemhuis) wrote: >> Hi, Thorsten here, the Linux kernel's regression tracker. >> >> I noticed a regression report in bugzilla.kernel.org. As many (most?) >> kernel developers don't keep an eye on it, I decided to forward it by mail. >> >> Note, you have to use bugzilla to reach the reporter, as I sadly[1] can >> not CCed them to mails like this. >> >> Quoting from https://bugzilla.kernel.org/show_bug.cgi?id=217252 : > > This is fixed by this (pending) patch: > > https://lore.kernel.org/linux-media/20230327091051.404184-1-hpa@xxxxxxxxxx/ Thx for letting me know! I looked for "Unknown pixelformat 0x00000000" on lore, but that "0x00000000" was too much. :-( Whatever, happens. :-D #regzbot fix: media: v4l2-core: v4l2-ioctl: Printing log with dev_warn() when the pixelformat is unknown Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr If I did something stupid, please tell me, as explained on that page. >>> sander44 2023-03-27 12:50:47 UTC >>> >>> Hi Kernel Team, >>> >>> I try today to rebuild kernel 6.1.21, but i notice error with: v4l2-core. >>> >>> [ 3.722510] loop17: detected capacity change from 0 to 8 >>> [ 3.920014] ------------[ cut here ]------------ >>> [ 3.920016] Unknown pixelformat 0x00000000 >>> [ 3.920024] WARNING: CPU: 2 PID: 1558 at drivers/media/v4l2-core/v4l2-ioctl.c:1503 v4l_enum_fmt+0x125a/0x1c20 >>> [ 3.920030] Modules linked in: [...] >>> [ 3.920097] CPU: 2 PID: 1558 Comm: pipewire Tainted: G U 6.1.21-1-lowlatency #2 >>> [ 3.920099] Hardware name: Intel(R) Client Systems NUC12WSKi7/NUC12WSBi7, BIOS WSADL357.0073.2022.0302.1157 03/02/2022 >>> [ 3.920100] RIP: 0010:v4l_enum_fmt+0x125a/0x1c20 >>> [ 3.920102] Code: 48 c7 c3 53 29 ca 83 81 fe 64 76 73 64 0f 84 d7 ef ff ff 41 80 7d 0c 00 0f 85 9e ee ff ff 48 c7 c7 5a 37 ca 83 e8 36 9c 48 ff <0f> 0b 48 c7 c2 76 37 ca 83 49 8d 4d 2c 49 8d 7d 0c be 20 00 00 00 >>> [ 3.920103] RSP: 0018:ffffa60086907bd8 EFLAGS: 00010246 >>> [ 3.920104] RAX: 0000000000000000 RBX: ffffffff83ca33fb RCX: 0000000000000000 >>> [ 3.920105] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 >>> [ 3.920106] RBP: ffffa60086907c08 R08: 0000000000000000 R09: 0000000000000000 >>> [ 3.920106] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 >>> [ 3.920107] R13: ffffa60086907d00 R14: 0000000000000000 R15: ffff98efc87d0018 >>> [ 3.920107] FS: 00007f7f99022740(0000) GS:ffff98f347680000(0000) knlGS:0000000000000000 >>> [ 3.920108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >>> [ 3.920109] CR2: 00007ffc3f1c3ff8 CR3: 0000000121ab8006 CR4: 0000000000770ee0 >>> [ 3.920110] PKRU: 55555554 >>> [ 3.920110] Call Trace: >>> [ 3.920111] <TASK> >>> [ 3.920114] __video_do_ioctl+0x1e7/0x590 >>> [ 3.920116] ? __video_do_ioctl+0x1e7/0x590 >>> [ 3.920118] video_usercopy+0x25d/0x820 >>> [ 3.920119] ? v4l_print_control+0x30/0x30 >>> [ 3.920121] video_ioctl2+0x15/0x30 >>> [ 3.920122] v4l2_ioctl+0x69/0xb0 >>> [ 3.920124] __x64_sys_ioctl+0x9f/0xe0 >>> [ 3.920126] do_syscall_64+0x58/0x90 >>> [ 3.920128] ? video_ioctl2+0x15/0x30 >>> [ 3.920129] ? v4l2_ioctl+0x69/0xb0 >>> [ 3.920131] ? exit_to_user_mode_prepare+0x39/0x190 >>> [ 3.920133] ? syscall_exit_to_user_mode+0x29/0x50 >>> [ 3.920135] ? do_syscall_64+0x67/0x90 >>> [ 3.920136] ? syscall_exit_to_user_mode+0x29/0x50 >>> [ 3.920137] ? do_syscall_64+0x67/0x90 >>> [ 3.920138] ? do_syscall_64+0x67/0x90 >>> [ 3.920139] ? do_syscall_64+0x67/0x90 >>> [ 3.920140] entry_SYSCALL_64_after_hwframe+0x63/0xcd >>> [ 3.920142] RIP: 0033:0x7f7f98d1aaff >>> [ 3.920143] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 77 1f 48 8b 44 24 18 64 48 2b 04 25 28 00 >>> [ 3.920144] RSP: 002b:00007ffe6fcb2810 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 >>> [ 3.920145] RAX: ffffffffffffffda RBX: 0000000000000023 RCX: 00007f7f98d1aaff >>> [ 3.920146] RDX: 000055f9945f309c RSI: ffffffffc0405602 RDI: 0000000000000023 >>> [ 3.920147] RBP: 000055f9945f309c R08: 0000000000000000 R09: 0000000000000001 >>> [ 3.920147] R10: 0000000000000002 R11: 0000000000000246 R12: 00000000ffffffff >>> [ 3.920148] R13: 0000000000000000 R14: 000000004000015c R15: 000055f9945f2ec8 >>> [ 3.920149] </TASK> >>> [ 3.920150] ---[ end trace 0000000000000000 ]--- >>> >>> [...] >> >> See the ticket for more details. >> >> Note, to my untrained eyes this looked like something that is caused by >> the driver, which afaics is uvcvideo. Hope that wasn't a mistake. >> >> >> [TLDR for the rest of this mail: I'm adding this report to the list of >> tracked Linux kernel regressions; the text you find below is based on a >> few templates paragraphs you might have encountered already in similar >> form.] >> >> BTW, let me use this mail to also add the report to the list of tracked >> regressions to ensure it's doesn't fall through the cracks: >> >> #regzbot introduced: v5.15..v6.1.21 >> https://bugzilla.kernel.org/show_bug.cgi?id=217252 >> #regzbot title: media: Unknown pixelformat 0x00000000 >> #regzbot ignore-activity >> >> This isn't a regression? This issue or a fix for it are already >> discussed somewhere else? It was fixed already? You want to clarify when >> the regression started to happen? Or point out I got the title or >> something else totally wrong? Then just reply and tell me -- ideally >> while also telling regzbot about it, as explained by the page listed in >> the footer of this mail. >> >> Developers: When fixing the issue, remember to add 'Link:' tags pointing >> to the report (e.g. the buzgzilla ticket and maybe this mail as well, if >> this thread sees some discussion). See page linked in footer for details. >> >> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) >> -- >> Everything you wanna know about Linux kernel regression tracking: >> https://linux-regtracking.leemhuis.info/about/#tldr >> If I did something stupid, please tell me, as explained on that page. >> >> [1] because bugzilla.kernel.org tells users upon registration their >> "email address will never be displayed to logged out users" >> > > >
