Date: Fri, 17 Jun 2016 07:19:44 -0400 (EDT) From: Keith White <kwhite@site.uottawa.ca> To: Mark Millard <markmi@dsl-only.net> Cc: freebsd-arm <freebsd-arm@freebsd.org>, FreeBSD Current <freebsd-current@freebsd.org> Subject: RE: RPI-B 11.0-ALPHA3 r301815 panic ["when connecting via WiFi"] Message-ID: <alpine.BSF.2.20.1606170714240.16142@localhost.my.domain> In-Reply-To: <alpine.BSF.2.20.1606160658100.8225@localhost.my.domain> References: <5B47CB62-5BB6-41F3-82F9-507B42EF161B@dsl-only.net> <alpine.BSF.2.20.1606160658100.8225@localhost.my.domain>
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On Thu, 16 Jun 2016, Keith White wrote: > On Wed, 15 Jun 2016, Mark Millard wrote: > >> https://lists.freebsd.org/pipermail/freebsd-current/2016-June/061904.html >> reports an RPI-B alignment fault for -r301815 (the snapshot) "when >> connecting via WiFi". >> >> -r301872 ( >> https://lists.freebsd.org/pipermail/svn-src-head/2016-June/088339.html ) >> has a fix for networking vs. alignment handling for armv6 contexts that >> might be needed. Quoting: >> >>> Author: ian >>> Date: Mon Jun 13 16:48:27 2016 >>> New Revision: 301872 >>> URL: >>> https://svnweb.freebsd.org/changeset/base/301872 >> ... > > Thanks for pointing this out! I'll see if a (complete) rebuild at > that rev fixes the problem. > Tried that. I still get a panic. I cross built on an amd64 at r301840, I'll try upgrading that machine too. In the meantime, other suggestions? FreeBSD 11.0-ALPHA3 #0 r301872: Thu Jun 16 21:11:44 EDT 2016 kwhite@freebsd11:/usr/obj/arm.armv6/usr/src/sys/RPI-B arm FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM 3.8.0) VT: init without driver. ... Starting devd. urtwn0: <vendor 0x0bda product 0x8176, class 0/0, rev 2.00/2.00, addr 4> on usbus0 urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R urtwn0: enabling 11n wlan0: Ethernet address: 00:13:ef:74:07:a8 Created wlan(4) interfaces: wlan0. ... [ nc rpi-b 22 ] Fatal kernel mode data abort: 'Alignment Fault' on read trapframe: 0xc18f28c0 FSR=00000001, FAR=c21a487a, spsr=60000013 r0 =c07a6548, r1 =00000004, r2 =c0605338, r3 =000007b6 r4 =c18f2a28, r5 =c18f2b40, r6 =c21a4876, r7 =c1ccd240 r8 =c1ccd240, r9 =c21a4Stopped at $a.17+0x38: ldmib r6, {r1-r2} db> ...keith
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