Date: Mon, 13 Oct 2014 20:14:30 +0100 From: "Steven Hartland" <killing@multiplay.co.uk> To: "K. Macy" <kmacy@freebsd.org> Cc: "freebsd-fs@FreeBSD.org" <freebsd-fs@freebsd.org>, FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: zfs pool import hangs on [tx->tx_sync_done_cv] Message-ID: <15EB5C3A83504A949CBDA96420361ADB@multiplay.co.uk> References: <54372173.1010100@ijs.si> <644FA8299BF848E599B82D2C2C298EA7@multiplay.co.uk> <54372EBA.1000908@ijs.si> <DE7DD7A94E9B4F1FBB3AFF57EDB47C67@multiplay.co.uk> <543731F3.8090701@ijs.si> <543AE740.7000808@ijs.si> <A5BA41116A7F4B23A9C9E469C4146B99@multiplay.co.uk> <CAHM0Q_N%2BC=3qgUnyDkEugOFcL=J8gBjbTg8v45Vz3uT=e=Fn2g@mail.gmail.com> <6E01BBEDA9984CCDA14F290D26A8E14D@multiplay.co.uk> <CAHM0Q_Mej=GvXoVo9TM5CfSZ=ozZ5pZvyY6%2BY29-B3qR-1zrKw@mail.gmail.com>
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----- Original Message ----- From: "K. Macy" <kmacy@freebsd.org> To: "Steven Hartland" <killing@multiplay.co.uk> Cc: "Mark Martinec" <Mark.Martinec+freebsd@ijs.si>; "freebsd-fs@FreeBSD.org" <freebsd-fs@freebsd.org>; "FreeBSD Stable" <freebsd-stable@freebsd.org> Sent: Monday, October 13, 2014 7:43 PM Subject: Re: zfs pool import hangs on [tx->tx_sync_done_cv] >>> A recent quick read of the code would lead me to believe that >> >> Yer I would have got the zio details but typically its "optimised out" by >> the >> compiler, so will need some effort to track that down unfortunately :( > > FYI it isn't actually optimized out. The debug info accounting just > isn't very good about tracking the values in registers. You'll see in > my last mail that just looking at the assembler makes it pretty > obvious that zio was in %r14. HTH. > > Cheers. > > > -K > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" >
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