Hi Martin, On Tue, 2015-09-22 at 21:18 +0200, Martin Svec wrote: > Hi Nick, > > Dne 22.9.2015 v 8:20 Nicholas A. Bellinger napsal(a): > > Hi Martin, > > > > On Mon, 2015-09-21 at 17:26 +0200, Martin Svec wrote: > > <SNIP> > > > Thanks for this detailed bug report. > > > > This is < v4.2 RCU se_node_acl->device_list[] NULL pointer dereference > > regression that is effecting v4.1.y specific code. > > > > Here's a compile tested patch to add NULL ->device_list[] sanity checks > > in UNIT_ATTENTION and PR non holder path code, which AFAICT should get > > EXTENDED_COPY I/O functioning on v4.1.y. > > > > Please verify. > > Verified, VAAI XCOPY migration succeeds now. Tested with v4.1.6 plus both XCOPY patches from this > thread. Thank you for the patch. > > Martin Thanks for verifying these two regression bug-fixes on your ESX VAAI host setup. As the first EXTENDED_COPY regression bugfix in commit 4416f89b has not merged into v4.2.y code yet, this second patch will need to be going out to linux-stable over the next days as a for-4.1.y specific bug-fix patch. Adding greg-kh (CC'ed) for a heads up on that bit. Thank you, --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
