[CentOS-virt] Xen 4.6.6-9 (with XPTI meltdown mitigation) packages making their way to centos-virt-xen-testing
johnny at centos.org
Wed Jan 24 14:38:53 UTC 2018
On 01/24/2018 01:01 AM, Pasi Kärkkäinen wrote:
> On Tue, Jan 23, 2018 at 06:20:39PM -0600, Kevin Stange wrote:
>> On 01/23/2018 05:57 PM, Karl Johnson wrote:
>>> On Tue, Jan 23, 2018 at 4:50 PM, Nathan March <nathan at gt.net
>>> <mailto:nathan at gt.net>> wrote:
>>> > Hmm.. isn't this the ldisc bug that was discussed a few months ago on this
>>> > and a patch was applied to virt-sig kernel aswell?
>>> > Call trace looks similar..
>>> Good memory! I'd forgotten about that despite being the one who ran
>>> into it.
>>> Looks like that patch was just removed in 4.9.75-30 which I just
>>> this system to: http://cbs.centos.org/koji/buildinfo?buildID=21122
>>> Previously I was on 4.9.63-29 which does not have this problem, and does
>>> have the ldisc patch. So I guess the question is for Johnny, why was it
>>> In the meantime, I'll revert the kernel and follow up if I see any
>>> IIRC the patch has been removed from the spec file because it has been
>>> merged upstream in 4.9.71.
>> The IRC discussion I found in my log indicates that it was removed
>> because it didn't apply cleanly due to changes when updating to 4.9.75,
>> yet I don't think anyone independently validated that the changes made
>> are equivalent to the patch that was removed. I was never able to
>> reproduce this issue, so I didn't investigate it myself.
> Sounds like the patch is still needed :)
> Anyone up to re-porting it to 4.9.75+ ?
It looked, at first glance, like 4.9.71 fixed it .. I guess not in all cases
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