Date: Wed, 22 Feb 2017 20:51:37 +0000 From: Steven Hartland <killing@multiplay.co.uk> To: freebsd-stable@freebsd.org Subject: Re: Is it known problem, that zfs.ko could not be built with system compiler (clang 3.9.1) without optimization? Message-ID: <f2095b16-8ee5-5708-fe80-a5de6e8334ee@multiplay.co.uk> In-Reply-To: <492944119.20170222234742@serebryakov.spb.ru> References: <492944119.20170222234742@serebryakov.spb.ru>
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I seem to remember this happening when I tried it too, likely it blows the stack, what's your panic? When doing similar tracing before I've flagged the relevant methods with __noinline. On 22/02/2017 20:47, Lev Serebryakov wrote: > Hello Freebsd-stable, > > Now if you build zfs.ko with -O0 it panics on boot. > > If you use default optimization level, a lot of fbt DTreace probes are > missing. >
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