From owner-freebsd-current@freebsd.org Thu Jan 10 15:58:44 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 8BB93149045F for ; Thu, 10 Jan 2019 15:58:44 +0000 (UTC) (envelope-from mizhka@gmail.com) Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) (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 7DFA8899C9 for ; Thu, 10 Jan 2019 15:58:43 +0000 (UTC) (envelope-from mizhka@gmail.com) Received: by mail-wr1-x42e.google.com with SMTP id z5so11932676wrt.11 for ; Thu, 10 Jan 2019 07:58:43 -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=rw8Yig3ZokeV+EnC1fvKP2A6ERvJTDDhS8BwzSPLW0w=; b=QNenpw7bowBwJrNRh7UnsSZqdVB9kQIqfMSC7iZdKuEDgc4/banP6H3zlPga3rhZ2e Ydifq0c9XTR2G+Rty2yMEC6HgeYezQIQmuddl5WQIPlGoEaLSBYjy0+cogaTWqaR7cLL pJALivggKWR7SxT5tNf0wu6UfTUCEp11Bm3UlGOBQLuPWC/Cp2lMFJLrje8Lm50o0pJf jJH0blLJ6HFWcy7N+1RY+RHtkMRSk8XaJ+4d8QEbSAmX91ZdoyDFs/+WuhzeOVDoP5z+ CI/ga93m162T21auz5TfGMgSYizuzv6NQKbnBvZ6PsCxJXbxURNMMW88rJt6hxU44ksB dicA== 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=rw8Yig3ZokeV+EnC1fvKP2A6ERvJTDDhS8BwzSPLW0w=; b=TM1O45BatlUlE/NB0sfKTZC3i3aCACISJ6M8lLm8kRxMpK3FuUSQTxT9zg+sIx2BZ7 amdAHi5JvK6UkbhFqarrd/BcmGqM0mhIiGYbdrVaA0en4Ds5f91nr+Kfk0/aF9UWDhfB mAJWdzcPBwt6QyzhU04aJQKVCGlmor6wi3ug/Wj0dHoZeZSvsPtdR1CWn0tCfcpSl5Gi WZqklzXKyuvpOsDjHAyg3DydOpnVpcqjolv0auKSBQGvXpbG6cN3l1crLp8GY1VlHIUJ BXEXTF9P1k3Cuwfuw4Lgv+iqkEz7piVfuDczKH8izRd/okrCoFRdqqlbRLtJ5J4XVW+z EQVQ== X-Gm-Message-State: AJcUukfANQEFpJ9xXQ1EgnQptURROln9KcXSa2ssCIg8FleW7UdeMqtk Et2wXnC5sxM9KbzZ+wt95i39ydoFZJN4FteCNATU1VIV X-Google-Smtp-Source: ALg8bN4RqQ3By7dEq/w2Ie9t4sTw8UnAjqdr+puqwOBKKatF4bPOBe9oCGkUya22rwT+mZiiM2kPM8ul/Saun7AGc08= X-Received: by 2002:a5d:4acb:: with SMTP id y11mr9622498wrs.281.1547135922193; Thu, 10 Jan 2019 07:58:42 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Michael Zhilin Date: Thu, 10 Jan 2019 18:58:30 +0300 Message-ID: Subject: Re: kernel panic in wireless-related sysctl walk To: Michael Butler Cc: freebsd-current X-Rspamd-Queue-Id: 7DFA8899C9 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=QNenpw7b; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of mizhka@gmail.com designates 2a00:1450:4864:20::42e as permitted sender) smtp.mailfrom=mizhka@gmail.com X-Spamd-Result: default: False [-6.43 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.85)[-0.853,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; RCVD_TLS_LAST(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[e.2.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; IP_SCORE(-2.57)[ip: (-9.08), ipnet: 2a00:1450::/32(-1.96), asn: 15169(-1.73), country: US(-0.08)]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0] 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 15:58:44 -0000 I'm not lucky to reproduce it even if i use iwn and "sysctl net.wlan.0.rate_stats" Problem is related to 802.11n, but all my networks are 11g. BR On Thu, Jan 10, 2019 at 6:53 PM Michael Zhilin wrote: > 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 >> " >> >