[Bug 208882] zfs root filesystem mount failure on startup in FreeBSD 10.3-RELEASE if USB hdd with zpool is attached to another port

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Sat Apr 8 11:20:10 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=208882

--- Comment #12 from Edward Tomasz Napierala <trasz at FreeBSD.org> ---
Julian, I don't think that's the problem.  The code in 10 doesn't wait for
devices, it just waits for all the root mount holds to be released.  The code
in 11 waits for devices, but for filesystems that don't have a specific device
- like ZFS or NFS - it falls back to 10 behaviour, ie waiting for the root
mount holds.

To be honest I don't think this is a problem with root mount mechanism at all. 
It looks more like something internal to ZFS.  Perhaps we should just put the
loop inside zfs_mountroot()?

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