Date: Tue, 12 Jan 2021 14:46:09 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Jakob Alvermark <jakob@alvermark.net>, FreeBSD Current <freebsd-current@freebsd.org>, Ian Lepore <ian@FreeBSD.org> Subject: Re: Panic after updating Message-ID: <f3e0ceb9-07ea-0118-645b-47a93085883f@selasky.org> In-Reply-To: <1bab5b76-eb56-671f-d52d-db1812c9be22@alvermark.net> References: <87512669-f0b9-eb2f-1103-170a29384ea8@alvermark.net> <ad969a6e-4029-b85c-f304-1198b05ad725@selasky.org> <34a9dafd-9690-1b33-abf8-017ad31cf2ab@alvermark.net> <e407413b-730a-d60d-f50d-0b6f490da74a@selasky.org> <60e4db60-c816-463e-0e08-a33c674ad4da@alvermark.net> <af76d2fc-cc6f-4ca4-c293-ae1ff8f2a51d@alvermark.net> <75784796-b513-5573-abc4-8c445d03c007@selasky.org> <cdc94c54-6f21-d452-87fd-9b0e5d7cbe95@alvermark.net> <5724744d-7710-4c3c-416b-01314cb196d4@selasky.org> <1bab5b76-eb56-671f-d52d-db1812c9be22@alvermark.net>
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On 1/12/21 2:40 PM, Jakob Alvermark wrote:
>
> On 1/12/21 2:16 PM, Hans Petter Selasky wrote:
>> On 1/12/21 1:43 PM, Jakob Alvermark wrote:
>>>
>>> On 1/12/21 12:54 PM, Hans Petter Selasky wrote:
>>>> On 1/12/21 12:32 PM, Jakob Alvermark wrote:
>>>>> Alright, after a new bisect run I got a different result, so I most
>>>>> likely did something wrong the first time.
>>>>>
>>>>> ff3468ac94597efdcbc56f372528dfc98b114dac is the first bad commit
>>>>> commit ff3468ac94597efdcbc56f372528dfc98b114dac
>>>>> Author: Ian Lepore <ian@FreeBSD.org>
>>>>> Date: Sat Dec 12 18:34:15 2020 +0000
>>>>>
>>>>> Provide userland notification of gpio pin changes ("userland
>>>>> gpio interrupts").
>>>>>
>>>>>
>>>>> Maybe more likely this is causing the panic?
>>>>
>>>> Doesn't make sense :-(
>>>>
>>>> Can you try to fetch the latest 13-current as of now and re-build
>>>> the kernel? I noticed some issues myself which got fixed.
>>>
>>>
>>> I did that, still panics the same way.
>>>
>>> But, the commit above is about gpio, and I do have
>>> 'bytgpio_load="YES"' in my /boot/loader.conf
>>>
>>> If I boot the kernel without that it works.
>>>
>>> 'kldload bytgpio' panics the machine.
>>>
>>
>> Could you screenshot the panic backtrace after kldload of bytegpio ?
>
> Sure:
>
> panic: vm_fault_lookup: fault on nofault entry, addr: 0xfffffe00c96c2000
> cpuid = 1
> time = 1610458544
> KDB: stack backtrace:
> db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame
> 0xfffffe00c7306140
> vpanic() at vpanic+0x181/frame 0xfffffe00c7306190
> panic() at panic+0x43/frame 0xfffffe00c73061f0
> vm_fault() at vm_fault+0x142d/frame 0xfffffe00c73062f0
> vm_fault_trap() at vm_fault_trap+0xb1/frame 0xfffffe00c7306340
> trap_pfault() at trap_pfault+0x1f6/frame 0xfffffe00c73063a0
> trap() at trap+0x280/frame 0xfffffe00c73064b0
> calltrap() at calltrap+0x8/frame 0xfffffe00c73064b0
> --- trap 0xc, rip = 0xffffffff80c27d08, rsp = 0xfffffe00c7306580, rbp =
> 0xfffffe00c7306580 ---
> lock_init() at lock_init+0xf8/frame 0xfffffe00c7306580
> _mtx_init() at _mtx_init+0x70/frame 0xfffffe00c73065a0
> gpioc_attach() at gpioc_attach+0x139/frame 0xfffffe00c7306620
> device_attach() at device_attach+0x3dd/frame 0xfffffe00c7306670
> bus_generic_attach() at bus_generic_attach+0x4b/frame 0xfffffe00c73066a0
> gpiobus_attach_bus() at gpiobus_attach_bus+0x44/frame 0xfffffe00c73066c0
> bytgpio_attach() at bytgpio_attach+0x1f7/frame 0xfffffe00c7306710
> device_attach() at device_attach+0x3dd/frame 0xfffffe00c7306760
> device_probe_and_attach() at device_probe_and_attach+0x41/frame
> 0xfffffe00c7306790
> acpi_driver_added() at acpi_driver_added+0xaa/frame 0xfffffe00c73067c0
> devclass_driver_added() at devclass_driver_added+0x3c/frame
> 0xfffffe00c7306800
> devclass_add_driver() at devclass_add_driver+0x13d/frame 0xfffffe00c7306840
> module_register_init() at module_register_init+0xa7/frame
> 0xfffffe00c7306870
> linker_load_module() at linker_load_module+0xbca/frame 0xfffffe00c7306b80
> kern_kldload() at kern_kldload+0xbb/frame 0xfffffe00c7306bd0
> sys_kldload() at sys_kldload+0x5b/frame 0xfffffe00c7306c00
> amd64_syscall() at amd64_syscall+0x111/frame 0xfffffe00c7306d30
> fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe00c7306d30
> --- syscall (304, FreeBSD ELF64, sys_kldload), rip = 0x80037715a, rsp =
> 0x7fffffffe698, rbp = 0x7fffffffec10 ---
> KDB: enter: panic
>
Adding Ian.
--HPS
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