Date: Tue, 18 Oct 2016 13:52:06 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Steven Hartland <killing@multiplay.co.uk>, freebsd-stable@FreeBSD.org Subject: Re: Repeatable panic on ZFS filesystem (used for backups); 11.0-STABLE Message-ID: <cb8c442c-156c-2524-af55-e38339d06b46@FreeBSD.org> In-Reply-To: <ea074a6b-f35b-6c8a-0220-0714f9ab9925@multiplay.co.uk> References: <3d4f25c9-a262-a373-ec7e-755325f8810b@denninger.net> <9adecd24-6659-0da5-5c05-d0d3957a2cb3@denninger.net> <CANCZdfq5QCDNhLY5GOpmBoh5ONYy2VPteuaMhQ2=3v%2B0vcoM0g@mail.gmail.com> <0f58b11f-0bca-bc08-6f90-4e6e530f9956@denninger.net> <43a67287-f4f8-5d3e-6c5e-b3599c6adb4d@multiplay.co.uk> <cb18df86-1345-b408-e73d-5acd714fa647@FreeBSD.org> <ea074a6b-f35b-6c8a-0220-0714f9ab9925@multiplay.co.uk>
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On 18/10/2016 00:43, Steven Hartland wrote: > On 17/10/2016 20:52, Andriy Gapon wrote: >> On 17/10/2016 21:54, Steven Hartland wrote: >>> You're hitting stack exhaustion, have you tried increasing the kernel stack pages? >>> It can be changed from /boot/loader.conf >>> kern.kstack_pages="6" >>> >>> Default on amd64 is 4 IIRC >> Steve, >> >> perhaps you can think of a more proper fix? :-) >> https://lists.freebsd.org/pipermail/freebsd-stable/2016-July/085047.html > Yes need to find some time to have a look at it, but given how rare this is and > with TRIM being re-implemented upstream in a totally different manor I'm > reticent to spend any real time on it. Fair enough. Especially given that there is only a single affected system reported so far. -- Andriy Gapon
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