(RESENDING) On Wed, 2015-09-02 at 21:14 -0400, Alex Gorbachev wrote: > e have experienced a repeatable issue when performing the following: > > Ceph backend with no issues, we can repeat any time at will in lab and > production. Cloning an ESXi VM to another VM on the same datastore on > which the original VM resides. Practically instantly, the LIO machine > becomes unresponsive, Pacemaker fails over to another LIO machine and > that too becomes unresponsive. > > Both running Ubuntu 14.04, kernel 4.1 (4.1.0-040100-generic x86_64), > Ceph Hammer 0.94.2, and have been able to take quite a workoad with no > issues. > > output of /var/log/syslog below. I also have a screen dump of a > frozen system - attached. > > Thank you, > Alex > The bug-fix patch to address this NULL pointer dereference with >= v4.1 sbc_check_prot() sanity checks + EXTENDED_COPY I/O emulation has been sent-out with your Reported-by. Please verify with your v4.1 environment that it resolves the original ESX VAAI CLONE regression with a proper Tested-by tag. For now, it has also been queued to target-pending.git/for-next with a stable CC'. Thanks for reporting! --nab -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
