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[87.184.121.86]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a77dc48e56asm238155766b.83.2024.07.08.01.07.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Jul 2024 01:07:57 -0700 (PDT) Message-ID: <205bd84a-fe8e-4963-968e-0763285f35ba@message-id.googlemail.com> Date: Mon, 8 Jul 2024 10:07:56 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Stefan Seyfried Content-Language: en-US To: LKML , "Rafael J. Wysocki" Subject: Regression in 6.8 from "ACPI: OSL: Use a threaded interrupt handler for SCI" Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi all, any kernels after 6.7 break my trusty old Toughbook CF-51 by rendering many PCI devices unusable. I did first notice that i915 did no longer work and filed https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/11437, there I was pointed to commit commit 7a36b901a6eb0e9945341db71ed3c45c7721cfa9 Author: Rafael J. Wysocki Date: Mon Nov 27 20:57:43 2023 +0100 ACPI: OSL: Use a threaded interrupt handler for SCI which I verified with a week-long bisecting from 6.7 to 6.8 (just for fun :-) Just reverting this commit top of 6.10-rc5 (sorry, this machine is not very powerful so I did not try the latest git master) makes everything work fine again. I get these messages in dmesg when running the broken kernels: [ T308] genirq: Flags mismatch irq 9. 00000080 (yenta) vs. 00002080 (acpi) [ T305] genirq: Flags mismatch irq 9. 00000080 (uhci_hcd:usb1) vs. 00002080 (acpi) [ T305] genirq: Flags mismatch irq 9. 00000080 (uhci_hcd:usb1) vs. 00002080 (acpi) [ T46] genirq: Flags mismatch irq 9. 00000080 (ehci_hcd:usb1) vs. 00002080 (acpi) [ T312] genirq: Flags mismatch irq 9. 00000080 (firewire_ohci) vs. 00002080 (acpi) [ T305] genirq: Flags mismatch irq 9. 00000080 (uhci_hcd:usb1) vs. 00002080 (acpi) [ T308] genirq: Flags mismatch irq 9. 00000080 (yenta) vs. 00002080 (acpi) [ T592] genirq: Flags mismatch irq 9. 00000080 (snd_intel8x0) vs. 00002080 (acpi) [ T581] genirq: Flags mismatch irq 9. 00000080 (i915) vs. 00002080 (acpi) [ T874] genirq: Flags mismatch irq 9. 00000080 (enp2s1) vs. 00002080 (acpi) These are not present with that commit reverted. The machine has an old Pentium M (Dothan): toughbook:~ # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 13 model name : Intel(R) Pentium(R) M processor 1.60GHz stepping : 6 microcode : 0x18 cpu MHz : 1600.000 cache size : 2048 KB fdiv_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr mce cx8 sep mtrr pge mca cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe bts cpuid est tm2 bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit mmio_unknown bogomips : 3193.05 clflush size : 32 cache_alignment : 32 address sizes : 36 bits physical, 32 bits virtual power management: and is running an i686 pae kernel: toughbook:~ # uname -a Linux toughbook 6.10.0-rc5-pae-seife+ #17 PREEMPT_DYNAMIC Sat Jul 6 07:36:41 CEST 2024 i686 i686 i386 GNU/Linux I can provide more information on request Best regards -- Stefan Seyfried "For a successful technology, reality must take precedence over public relations, for nature cannot be fooled." -- Richard Feynman