[Bug 85751] iSCSI initiator lockup during logout

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https://bugzilla.kernel.org/show_bug.cgi?id=85751

Jaden <jaden1q84@xxxxxxxxx> changed:

           What    |Removed                     |Added
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                 CC|                            |jaden1q84@xxxxxxxxx

--- Comment #4 from Jaden <jaden1q84@xxxxxxxxx> ---
I also encountered the similar issue, but not in logout stage. If the links are
down could also meet this issue occasionally. Below are my reproduce steps:

1.while :; do dd if=/dev/sdc of=/dev/null bs=1K count=1 iflag=direct; done
2.kill -SIGSTOP `pidof iscsid`
3.iptables -A OUTPUT -p tcp --dport 3260 -j DROP

I think it is cause by a status conflict between the waitting for lost IO
request and iscsi device remove procedure. Any new thoughs?

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