From owner-freebsd-current@freebsd.org Tue Jul 12 08:51:49 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 793E3B93E27 for ; Tue, 12 Jul 2016 08:51:49 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (heidi.turbocat.net [88.198.202.214]) (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 454741C42 for ; Tue, 12 Jul 2016 08:51:48 +0000 (UTC) (envelope-from hps@selasky.org) Received: from laptop015.home.selasky.org (unknown [62.141.129.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 2D7B01FE024; Tue, 12 Jul 2016 10:51:41 +0200 (CEST) Subject: Re: panic: bogus refcnt 0 on lle 0xfffff80121a13a00 To: Peter Holm , freebsd-current@FreeBSD.org References: <20160712083746.GA78547@x2.osted.lan> From: Hans Petter Selasky Message-ID: <29dd874b-075f-8ba7-4e0d-144ebdb8b283@selasky.org> Date: Tue, 12 Jul 2016 10:55:31 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.0 MIME-Version: 1.0 In-Reply-To: <20160712083746.GA78547@x2.osted.lan> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 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 Jul 2016 08:51:49 -0000 On 07/12/16 10:37, Peter Holm wrote: > Exiting from single-user mode triggers this: > > ifa_maintain_loopback_route: deletion failed for interface igb0: 3 > panic: bogus refcnt 0 on lle 0xfffff80121a13a00 > cpuid = 9 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe1048c63470 > vpanic() at vpanic+0x182/frame 0xfffffe1048c634f0 > kassert_panic() at kassert_panic+0x126/frame 0xfffffe1048c63560 > llentry_free() at llentry_free+0x136/frame 0xfffffe1048c63590 > in_lltable_free_entry() at in_lltable_free_entry+0xb0/frame 0xfffffe1048c635c0 > htable_prefix_free() at htable_prefix_free+0xce/frame 0xfffffe1048c63620 > lltable_prefix_free() at lltable_prefix_free+0x5d/frame 0xfffffe1048c63660 > in_scrubprefix() at in_scrubprefix+0x290/frame 0xfffffe1048c63700 > in_difaddr_ioctl() at in_difaddr_ioctl+0x285/frame 0xfffffe1048c63750 > in_control() at in_control+0x96/frame 0xfffffe1048c637d0 > ifioctl() at ifioctl+0xda1/frame 0xfffffe1048c63860 > kern_ioctl() at kern_ioctl+0x246/frame 0xfffffe1048c638c0 > sys_ioctl() at sys_ioctl+0x171/frame 0xfffffe1048c639a0 > amd64_syscall() at amd64_syscall+0x2f6/frame 0xfffffe1048c63ab0 > Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe1048c63ab0 > --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x800fd2eba, rsp = 0x7fffffffe468, rbp = 0x7fffffffe4b0 - > > Details @ https://people.freebsd.org/~pho/stress/log/bogus_refcnt.txt > FYI: https://reviews.freebsd.org/D4605 Might be related. --HPS