# [OmniOS-discuss] Kernel panic on using iSCSI target on same host, differences between OmniOS r151006 and r151008 ?

Franz Schober franz.schober at firmos.at
Mon Feb 10 15:41:25 UTC 2014

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    Although the creation of the zpool worked on OmniOS r151006y, the zfs
    send I wanted to test on the pool failed with a kernel panic on r151006y
    also.

    zfs create test/testds
    dd if=/dev/zero of=/test/testds/file1 bs=1M count=50
    dd if=/dev/zero of=/test/testds/file2 bs=1M count=50

    zfs snapshot test/testds at test
    zfs send -R test/testds at test | pv > /dev/null
    > Hi,
    >
    > when using a device provided by iSCSI COMSTAR target on the same host
    > for a zpool, the system (OmniOS r151008j) raised a kernel panic
    > after a timeout of the COMSTAR device at the first try, on the second
    > attempt it just did not work.
    >
    > On OmniOS r151006y the same worked without any problems.
    >
    > Are there any possible known changes on COMSTAR and ZFS regarding
    > this problem in between the two stable OmniOS versions ?
    >
    > Details, why to do that anyway :-) and a crash dump are available at
    > https://www.illumos.org/issues/4589
    >
    > Thx a lot,
    > Franz
    >

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