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Date:      Fri, 16 Feb 2018 21:17:44 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 225960] zfs: g_access leak when unmounting UFS on a zvol
Message-ID:  <bug-225960-8-gtsZuJNMgX@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-225960-8@https.bugs.freebsd.org/bugzilla/>
References:  <bug-225960-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225960

--- Comment #3 from Andriy Gapon <avg@FreeBSD.org> ---
Could be a g_label problem though:
    <geom id=3D"0xfffff80023b33200">
      <class ref=3D"0xffffffff80d86a90"/>
      <name>zvol/pond/zvol2s1</name>
      <rank>3</rank>
      <config>
      </config>
        <consumer id=3D"0xfffff8002215e300">
          <geom ref=3D"0xfffff80023b33200"/>
          <provider ref=3D"0xfffff8002291ad00"/>
          <mode>r0w0e2</mode>
          <config>
          </config>
        </consumer>
        <provider id=3D"0xfffff80023b33100">
          <geom ref=3D"0xfffff80023b33200"/>
          <mode>r0w0e0</mode>
          <name>ufsid/4e6d250390a79ac0</name>
          <mediasize>1073705472</mediasize>
          <sectorsize>512</sectorsize>
          <stripesize>4096</stripesize>
          <stripeoffset>3584</stripeoffset>
          <config>
            <index>0</index>
            <length>1073705472</length>
            <seclength>2097081</seclength>
            <offset>0</offset>
            <secoffset>0</secoffset>
          </config>
        </provider>
    </geom>

I don't think that the consumer should have r0w0e2 mode while the provider =
has
r0w0e0.  The class is LABEL and apparently it's the ufsid variety.

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