Date: Mon, 15 Apr 2019 11:52:47 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Marcin Cieslak <saper@saper.info> Cc: freebsd-stable@freebsd.org Subject: Re: After 12.x upgrade: mysqld RET _umtx_op -1 errno 45 Operation not supported Message-ID: <20190415085247.GQ1923@kib.kiev.ua> In-Reply-To: <nycvar.OFS.7.76.4444.1904150827330.84924@z.fncre.vasb> References: <nycvar.OFS.7.76.4444.1904150755580.84924@z.fncre.vasb> <20190415081944.GP1923@kib.kiev.ua> <nycvar.OFS.7.76.4444.1904150827330.84924@z.fncre.vasb>
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On Mon, Apr 15, 2019 at 08:28:39AM +0000, Marcin Cieslak wrote: > On Mon, 15 Apr 2019, Konstantin Belousov wrote: > > > On Mon, Apr 15, 2019 at 08:01:27AM +0000, Marcin Cieslak wrote: > > > > > > 50766 mysqld CALL _umtx_op(0x966eaa0,UMTX_OP_RESERVED0,0x18cab,0,0) > > > 50766 mysqld RET _umtx_op -1 errno 45 Operation not supported > > > I believe these ops were removed at r263318. > > That was quick, thank you! > Is there any way this could be fixed on the library level? You probably can write a LD_PRELOAD'ed library which would intercept _umtx_op and emulate the call.
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