Date: Mon, 24 Aug 2015 09:12:43 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: John-Mark Gurney <jmg@funkthat.com>, FreeBSD Current <freebsd-current@FreeBSD.org>, Lawrence Stewart <lstewart@room52.net>, Pawel Pekala <pawel@FreeBSD.org>, "K. Macy" <kmacy@FreeBSD.org> Subject: Re: Instant panic while trying run ports-mgmt/poudriere Message-ID: <55DAB5DB.5090008@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>
next in thread | previous in thread | raw e-mail | index | archive | help
On 23/08/2015 15:54, Konstantin Belousov 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(). Thank you very much! I no longer get the panic in the test case that previously triggered it. -- Andriy Gapon
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?55DAB5DB.5090008>