From owner-freebsd-current@freebsd.org Tue Jan 12 13:40:17 2021 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 737B24D8E0E for ; Tue, 12 Jan 2021 13:40:17 +0000 (UTC) (envelope-from jakob@alvermark.net) Received: from out.alvermark.net (out.alvermark.net [185.34.136.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4DFWsr53jmz3H9d for ; Tue, 12 Jan 2021 13:40:16 +0000 (UTC) (envelope-from jakob@alvermark.net) Received: from c-f649235c.06-431-73746f70.bbcust.telenor.se ([92.35.73.246] helo=mail.alvermark.net) by out.alvermark.net with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91 (FreeBSD)) (envelope-from ) id 1kzJuB-0002ld-7t; Tue, 12 Jan 2021 14:40:15 +0100 Received: from [192.168.67.33] by mail.alvermark.net with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.91 (FreeBSD)) (envelope-from ) id 1kzJuA-000L15-KW; Tue, 12 Jan 2021 14:40:14 +0100 Subject: Re: Panic after updating To: Hans Petter Selasky , FreeBSD Current References: <87512669-f0b9-eb2f-1103-170a29384ea8@alvermark.net> <34a9dafd-9690-1b33-abf8-017ad31cf2ab@alvermark.net> <60e4db60-c816-463e-0e08-a33c674ad4da@alvermark.net> <75784796-b513-5573-abc4-8c445d03c007@selasky.org> <5724744d-7710-4c3c-416b-01314cb196d4@selasky.org> From: Jakob Alvermark Message-ID: <1bab5b76-eb56-671f-d52d-db1812c9be22@alvermark.net> Date: Tue, 12 Jan 2021 14:40:14 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.4.1 MIME-Version: 1.0 In-Reply-To: <5724744d-7710-4c3c-416b-01314cb196d4@selasky.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: 4DFWsr53jmz3H9d X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.50 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[alvermark.net:s=x]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:185.34.136.138]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[alvermark.net: no valid DMARC record]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; SPAMHAUS_ZRD(0.00)[185.34.136.138:from:127.0.2.255]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[alvermark.net:+]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-1.00)[-1.000]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[185.34.136.138:from]; ASN(0.00)[asn:34971, ipnet:185.34.136.0/24, country:IT]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 13:40:17 -0000 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 >>>> 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 Jakob