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Date:      Thu, 16 Oct 2014 03:56:23 +0100
From:      "Steven Hartland" <killing@multiplay.co.uk>
To:        "Mark Martinec" <Mark.Martinec+freebsd@ijs.si>, <freebsd-fs@freebsd.org>, <freebsd-stable@freebsd.org>
Subject:   Re: zpool import hangs when out of space - Was: zfs pool import hangs on [tx->tx_sync_done_cv]
Message-ID:  <520ED11771DE40FBAEFCC066D2FF0441@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_OpV2sAQQAH6Cj_=yJWAOt8pTPWQ-m45JSiXDpBwT6WTA@mail.gmail.com> <E2E24A91B8B04C2DBBBC7E029A12BD05@multiplay.co.uk> <CAHM0Q_Oeka25-kdSDRC2evS1R8wuQ0_XgbcdZCjS09aXJ9_WWQ@mail.gmail.com> <14ADE02801754E028D9A0EAB4A16527E@multiplay.co.uk> <543C3C47.4010208@ijs.si> <E3C3C359999140B48943A0E1A04F83A9@multiplay.co.uk> <CAHM0Q_O7LNBiQAEjygANa%2B0rqm9cywjTPbNXabB4TePfEHAZsA@mail.gmail.com> <A7771879317F4194A1D5E4921CD33593@multiplay.co.uk> <138CF459AA0B41EB8CB4E11B3DE932CF@multiplay.co.uk> <543D0953.1070604@ijs.si> <C7A0928FD72346DD95970145BD2ADC8B@multiplay.co.uk> <8F4036C658724468B34B20CCBA658E43@mu ltiplay.co.uk>

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----- Original Message ----- 
From: "Steven Hartland"
> After bisecting the kernel versions in stable/10 the problem commit
> appears to be:
> https://svnweb.freebsd.org/base?view=revision&revision=268650
> 
> Removing it or using a pool without async_destory enabled prevents
> the leak.
> 
> More debugging tomorrow.

Fix for this has now been committed:
https://svnweb.freebsd.org/changeset/base/273158

I'm already talking with re@ to get this in to the 10.1 release.

    Regards
    Steve



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