Date: Thu, 27 Aug 2015 00:30:32 +0200 From: Pawel Pekala <pawel@FreeBSD.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Andriy Gapon <avg@FreeBSD.org>, John-Mark Gurney <jmg@funkthat.com>, FreeBSD Current <freebsd-current@FreeBSD.org>, Lawrence Stewart <lstewart@room52.net>, "K. Macy" <kmacy@FreeBSD.org> Subject: Re: Instant panic while trying run ports-mgmt/poudriere Message-ID: <20150827003032.06a1b06b@FreeBSD.org> In-Reply-To: <20150823125442.GK2072@kib.kiev.ua> References: <20150713231205.627bab36@FreeBSD.org> <20150714223829.GY8523@funkthat.com> <20150715174616.652d0aea@FreeBSD.org> <20150715180526.GM8523@funkthat.com> <20150715223703.78b9197c@FreeBSD.org> <CAHM0Q_PLRP4t6JgkstXHNOVV%2B2DyathOgi8bg4-RQkW-BcGXow@mail.gmail.com> <20150806233328.47a02594@FreeBSD.org> <55CB5428.2090505@room52.net> <55D96E24.9060106@FreeBSD.org> <20150823090816.GJ2072@kib.kiev.ua> <20150823125442.GK2072@kib.kiev.ua>
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Hi Konstantin, On 2015-08-23 15:54 +0300, Konstantin Belousov <kostikbel@gmail.com> wrote: >After looking at your data closely, I think you are right. The panic >occurs when the exit1(9) does KNOTE_LOCKED(NOTE_EXIT). This is the >only case in the tree where filter uses knlist_remove_inevent() to >detach processed note, so indeed the slist is modified under the >iterator. > >Below is the patch with the suggested change and unrelated cleanup of >the uma(9) KPI use. Please test, everybody who has a panic with the >backtrace pointing to the sys_exit(). This patch fixes issue for me. Thank you. --=20 pozdrawiam / with regards Pawe=C5=82 P=C4=99kala
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