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I am Chaitanya from the linux graphics team in Intel. This mail is regarding a regression we are seeing in our CI runs[1] on linux-next repository. Since the version next-20260115 [2], we are seeing the following regression ````````````````````````````````````````````````````````````````````````````````` <4>[ 23.283209] ------------[ cut here ]------------ <4>[ 23.283226] WARNING: kernel/irq/manage.c:1502 at __setup_irq+0x5a0/0x850, CPU#0: (udev-worker)/246 ... <4>[ 23.283398] Call Trace: <4>[ 23.283403] <4>[ 23.283420] ? __pfx_int0002_irq+0x10/0x10 [intel_int0002_vgpio] <4>[ 23.283442] request_threaded_irq+0x117/0x230 <4>[ 23.283467] devm_request_threaded_irq+0x7b/0x120 <4>[ 23.283480] ? __pfx_int0002_irq+0x10/0x10 [intel_int0002_vgpio] <4>[ 23.283501] int0002_probe+0xde/0x200 [intel_int0002_vgpio] <4>[ 23.283524] platform_probe+0x43/0xa0 <4>[ 23.283541] really_probe+0xf1/0x410 <4>[ 23.283560] __driver_probe_device+0x8c/0x190 <4>[ 23.283576] driver_probe_device+0x24/0xd0 <4>[ 23.283592] __driver_attach+0x10f/0x240 <4>[ 23.283605] ? __pfx___driver_attach+0x10/0x10 <4>[ 23.283618] bus_for_each_dev+0x7f/0xe0 <4>[ 23.283639] driver_attach+0x1e/0x30 <4>[ 23.283651] bus_add_driver+0x163/0x2a0 <4>[ 23.283669] driver_register+0x5e/0x130 <4>[ 23.283678] ? __pfx_int0002_driver_init+0x10/0x10 [intel_int0002_vgpio] <4>[ 23.283693] __platform_driver_register+0x1e/0x30 <4>[ 23.283705] int0002_driver_init+0x1c/0xff0 [intel_int0002_vgpio] <4>[ 23.283719] do_one_initcall+0x5e/0x3a0 <4>[ 23.283747] do_init_module+0x97/0x2b0 <4>[ 23.283764] load_module+0x2dd3/0x2ee0 <4>[ 23.283811] ? kernel_read_file+0x2b1/0x320 <4>[ 23.283835] init_module_from_file+0xf4/0x120 <4>[ 23.283845] ? init_module_from_file+0xf4/0x120 <4>[ 23.283885] idempotent_init_module+0x117/0x330 <4>[ 23.283926] __x64_sys_finit_module+0x73/0xf0 <4>[ 23.283944] x64_sys_call+0x1d68/0x26b0 <4>[ 23.283954] do_syscall_64+0x93/0x1470 <4>[ 23.283969] ? lock_release+0xcd/0x280 <4>[ 23.283979] ? handle_mm_fault+0x1e7/0x300 <4>[ 23.284006] ? irqentry_exit+0x17d/0x7c0 <4>[ 23.284024] ? exc_page_fault+0xbb/0x250 <4>[ 23.284039] entry_SYSCALL_64_after_hwframe+0x76/0x7e <4>[ 23.284049] RIP: 0033:0x7f298172728d ````````````````````````````````````````````````````````````````````````````````` Detailed log can be found in [3]. After bisecting the tree, the following patch [4] seems to be the first "bad" commit ````````````````````````````````````````````````````````````````````````````````````````````````````````` commit aef30c8d569c0f31715447525640044c74feb26f Author: Sebastian Andrzej Siewior bigeasy@linutronix.de Date: Mon Jan 12 14:40:13 2026 +0100 genirq: Warn about using IRQF_ONESHOT without a threaded handler ````````````````````````````````````````````````````````````````````````````````````````````````````````` Looking at the irq register code in int0002_vgpio.c, it seems the warning comes from ret = devm_request_irq(dev, irq, int0002_irq, IRQF_ONESHOT | IRQF_SHARED, "INT0002", chip); Looking at the history, this flag was added by the Commit 8f812373d195 ("platform/x86: intel: int0002_vgpio: Pass IRQF_ONESHOT to request_irq()") to resolve another issue. Any proposals for solving the WARN_ON? Thank you. Regards Chaitanya [1] https://intel-gfx-ci.01.org/tree/linux-next/combined-alt.html? [2] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20260115 [3] https://intel-gfx-ci.01.org/tree/linux-next/next-20260115/fi-bsw-n3050/boot0.txt [4] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20260115&id=aef30c8d569c0f31715447525640044c74feb26f