** Tags removed: verification-needed-xenial ** Tags added: verification-done-xenial
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1609415 Title: s390/cio: fix reset of channel measurement block Status in Ubuntu on IBM z Systems: Fix Committed Status in linux package in Ubuntu: Fix Released Status in linux source package in Xenial: Fix Committed Status in linux source package in Yakkety: Fix Released Bug description: == Comment: #0 - Hendrik Brueckner <brueck...@de.ibm.com> - 2016-08-03 09:04:43 == Please backport: commit 0f5d050ceaa31b2229102211d60c149f920df3aa Author: Sebastian Ott <seb...@linux.vnet.ibm.com> Date: Tue Jul 12 19:57:57 2016 +0200 s390/cio: allow to reset channel measurement block Prior to commit 1bc6664bdfb949bc69a08113801e7d6acbf6bc3f a call to enable_cmf for a device for which channel measurement was already enabled resulted in a reset of the measurement data. What looked like bugs at the time (a 2nd allocation was triggered but failed, reset was called regardless of previous failures, and errors have not been reported to userspace) was actually something at least one userspace tool depended on. Restore that behavior in a sane way. Fixes: 1bc6664bdfb ("s390/cio: use device_lock during cmb activation") Cc: sta...@vger.kernel.org #v4.4+ Signed-off-by: Sebastian Ott <seb...@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.h...@de.ibm.com> Reviewed-by: Peter Oberparleiter <ober...@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidef...@de.ibm.com> To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1609415/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp