From owner-freebsd-current@freebsd.org Thu Jan 10 15:54:00 2019 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 92A3514901E0 for ; Thu, 10 Jan 2019 15:54:00 +0000 (UTC) (envelope-from mizhka@gmail.com) Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 09BDA89739 for ; Thu, 10 Jan 2019 15:54:00 +0000 (UTC) (envelope-from mizhka@gmail.com) Received: by mail-wr1-x430.google.com with SMTP id c14so12022247wrr.0 for ; Thu, 10 Jan 2019 07:53:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=rPxTD+5BeaZqeToH5NXvjDw5LkQIWhhiJ1cLp1QjE0U=; b=AgYtP81795l5oUBmWvegX1VS+GMkCFtsTZSFDoC1TDQ1tQ2rnCuE6Ry7pVugCObvRp nhGNtAS0hsBJ9qCUA7W8EtUSMUZbQ+0zoKS7sed4pVvqksqg3QChbupOVqa7/uKb3jL1 IU5btmWwnK0A+/0lIwndL5A+Znpnhvwfawctf9MNnQrfKgLEFKXIHndzyec1w1Gl1BCJ hNFroNBK1AAB//mG9UhzzKwsq40swULYeSKpXd1aYvctwLRkK2rDYLK6sU9FSjFku99B Kd/moJtWFZDkTaRbKAbyK0mygU/oqRl7YcFfrnBaUnaVftRsxU12mZQ0BoQLjKq4TFlO eUzQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=rPxTD+5BeaZqeToH5NXvjDw5LkQIWhhiJ1cLp1QjE0U=; b=UA0UsWKrL1HSfLwmUJpAA7lLXHT1H3EeEExa3paqFf07EwNy4Jcywnms0Sg0k64S7H eHHPDie1oQh68aZGDNWYQmZe61X0GaLN7I8kQpgZMoSSYWFe6g7e6wBWvzrtglcfKjAH lZOsUIEgDbvkx3gyGN3jF8ULkqn8KYQNfBHkvZVjmVeGtesBc/i4RfOlW7uw53V3Kms6 +sJeVTv4sqS6dQa8H+YyceXT20bLU5rhYJ0QmyAbzg+NE+mNZ+QedJe+xGOYXIyes/+I JUdr3F4OTtfeSkMtjKiDAw/a8WJFC2Q2wAzCxJww6r/XnF0hB3loQlIUC1Goa35FOBE4 JzNg== X-Gm-Message-State: AJcUukeIL3+iUFJl8YgAQjJd5o8oGdqOaP4PybcOBJ+9PW3Di4RKi2eG KBU/jEZjUfDTRNULEV6XRnxaAVX3WQos0tSBI0sPRQ== X-Google-Smtp-Source: ALg8bN7FxVSzIWeu6csqzgAHtLurYMwJE/8T0HMvyJ1pxYmykv6UIe0fk9DuFEJH7DsXbP0XntK/GR5vhBYRYeYpuu0= X-Received: by 2002:a5d:6907:: with SMTP id t7mr9508958wru.226.1547135638621; Thu, 10 Jan 2019 07:53:58 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Michael Zhilin Date: Thu, 10 Jan 2019 18:53:40 +0300 Message-ID: Subject: Re: kernel panic in wireless-related sysctl walk To: Michael Butler Cc: freebsd-current X-Rspamd-Queue-Id: 09BDA89739 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.91 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.91)[-0.915,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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: Thu, 10 Jan 2019 15:54:00 -0000 Hi, Is it possible to print out any local variables of frame #8? Thx! On Thu, Jan 10, 2019 at 6:31 PM Michael Butler wrote: > With 'device iwn' and all the related wireless bits compiled into a > custom kernel for a laptop, executing 'sysctl -a' yields a kernel panic > of the form .. > > Fatal trap 12: page fault while in kernel mode > cpuid = 1; apic id = 01 > fault virtual address = 0x8 > fault code = supervisor read data, page not present > instruction pointer = 0x20:0xffffffff809bf22c > stack pointer = 0x28:0xfffffe0097fb7660 > frame pointer = 0x28:0xfffffe0097fb7670 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, long 1, def32 0, gran 1 > processor eflags = interrupt enabled, resume, IOPL = 0 > current process = 11053 (sysctl) > trap number = 12 > panic: page fault > cpuid = 1 > time = 1547129798 > Uptime: 3d10h27m14s > Dumping 3840 out of 16258 > MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91% > > [ .. ] > > (kgdb) #0 doadump (textdump=) at pcpu.h:230 > #1 0xffffffff808704eb in kern_reboot (howto=260) > at /usr/src/sys/kern/kern_shutdown.c:451 > #2 0xffffffff80870920 in vpanic (fmt=, > ap=) at /usr/src/sys/kern/kern_shutdown.c:877 > #3 0xffffffff80870753 in panic (fmt=) > at /usr/src/sys/kern/kern_shutdown.c:804 > #4 0xffffffff80c63b5b in trap_fatal (frame=0xfffffe0097fb75a0, eva=8) > at /usr/src/sys/amd64/amd64/trap.c:929 > #5 0xffffffff80c63f10 in trap_pfault (frame=0xfffffe0097fb75a0, > usermode=0) > at /usr/src/sys/amd64/amd64/trap.c:839 > #6 0xffffffff80c632be in trap (frame=0xfffffe0097fb75a0) > at /usr/src/sys/amd64/amd64/trap.c:441 > #7 0xffffffff80c40535 in calltrap () > at /usr/src/sys/amd64/amd64/exception.S:232 > #8 0xffffffff809bf22c in amrr_node_stats (ni=0xfffffe008cf83000, > s=0xfffffe0097fb76f0) at /usr/src/sys/net80211/ieee80211_amrr.c:464 > #9 0xffffffff809ef9f4 in ieee80211_ratectl_sysctl_stats_node_iter ( > arg=0xfffffe0097fb76f0, ni=0xfffffe008cf83000) at > ieee80211_ratectl.h:170 > #10 0xffffffff809e42b0 in ieee80211_iterate_nodes_vap ( > nt=, vap=, > f=0xffffffff809ef9b0 , > arg=0xfffffe0097fb76f0) at /usr/src/sys/net80211/ieee80211_node.c:2558 > #11 0xffffffff809ef941 in ieee80211_ratectl_sysctl_stats ( > oidp=, arg1=, > arg2=, req=) > at /usr/src/sys/net80211/ieee80211_ratectl.c:99 > #12 0xffffffff8087f8ab in sysctl_root_handler_locked > (oid=0xfffff80016697d00, > arg1=0xfffff80007bef000, arg2=0, req=0xfffffe0097fb7840, > tracker=0xfffffe0097fb77b8) at /usr/src/sys/kern/kern_sysctl.c:166 > #13 0xffffffff8087ef4f in sysctl_root (arg1=0xfffff80007bef000, arg2=0, > req=0xfffffe0097fb7840) at /usr/src/sys/kern/kern_sysctl.c:2080 > #14 0xffffffff8087f5ca in userland_sysctl (td=0xfffff80007d96000, > name=0xfffffe0097fb7900, namelen=4, old=, > oldlenp=, inkernel=, new=0x0, > newlen=0, retval=0xfffffe0097fb7968, flags=0) > at /usr/src/sys/kern/kern_sysctl.c:2175 > #15 0xffffffff8087f40f in sys___sysctl (td=0xfffff80007d96000, > uap=0xfffff80007d963c0) at /usr/src/sys/kern/kern_sysctl.c:2110 > #16 0xffffffff80c64742 in amd64_syscall (td=0xfffff80007d96000, traced=0) > at subr_syscall.c:135 > #17 0xffffffff80c40e1d in fast_syscall_common () > at /usr/src/sys/amd64/amd64/exception.S:504 > > What other data should I capture to assist in identifying and resolving > this? > > imb > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >