[CentOS-virt] 4.9.34-29 EL6 and EL7 kernels

Johnny Hughes johnny at centos.org
Thu Jul 13 21:15:21 UTC 2017


OK, thanks to Giuseppe's troubleshooting and help, I think we have
gotten this iscsi issue fixed.

There is now a new kernel-4.9.37-29.el7 (and el6) kernel in the testing
repo.

Please test this kernel and provide feedback so we can release it.

The only change is to turn off:  CONFIG_IO_STRICT_DEVMEM  (and of course
the upgrade to 4.9.37).

Thanks,
Johnny Hughes

On 06/30/2017 11:03 AM, Giuseppe Tanzilli - Serverplan wrote:
> Hi,
> I tried this new kernel on out xen testbed with centos 6 and iscsi over
> qlog 57810 is not working,
> tried replacing drivers from manufacturer but does not work either.
> 
> tried 4.9.23 from repo and is not working
> 
> finally the old 4.9.13-22.el6.x86_64 is the only one from 4.9.x taht is
> working with hw iscsi on this cards.
> 
> I will be happy to help debug the issue and get a latest kernel working
> with iscsi .
> 
> thanks,
>   Giuseppe
> 
> 
> On 27/06/2017 16:40, Johnny Hughes wrote:
>> OK Guys and Gals,
>>
>> We have just kicked off a build of the 4.9.34-29 xen kernel on the
>> Community Build Service for both EL6 and EL7.
>>
>> This kernel has some important things in it.
>>
>> 1.  It has a patch for the stack guard issue (CVE-2017-1000364). Also
>> the patch for Xen Security fix XSA-216.
>>
>> See these upstream changelogs for ALL kernel commits from 4.9.31 to 4.9.34:
>>
>> https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.32
>> https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.33
>> https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.34
>>
>> 2.  It has a fix for the xen-netback rate limit queues
>> (http://www.spinics.net/lists/netdev/msg441578.html)  (Thanks very much
>> to Kevin Stange and Jean-Louis Dupond for finding a fix for this issue)
>>
>> 3.  It now contains debuginfo files (thanks to Sarah Newman for this
>> amazing addition!).
>>
>> =====================
>>
>> The kernels are currently building, it will likely take 4 to 6 hours for
>> them to make their way to the applicable testing repos:
>>
>> CentOS-7:
>> https://buildlogs.centos.org/centos/7/virt/x86_64/xen-46/
>>
>> or
>>
>> CentOS-6:
>> https://buildlogs.centos.org/centos/6/virt/x86_64/xen-44/
>> https://buildlogs.centos.org/centos/6/virt/x86_64/xen-46/
>>
>> =====================
>>
>> If you actually need the debuginfo files, they will be here (also in 4
>> or so hours):
>>
>> CentOS-7:
>> http://cbs.centos.org/repos/virt7-xen-common-testing/x86_64/debug/
>>
>> CentOS-6:
>> http://cbs.centos.org/repos/virt6-xen-common-testing/x86_64/debug/
>>
>> =====================
>>
>> Let's do some real testing of these and see if we can solve the issues
>> people are having .. this should already solve server and the debuginfo
>> files should help solve others. 
>>
>> I think Kevin and Jean-Louis also know how to solve the Windows BSOD
>> when run on a Xen 4.9.x dom0 server .. they can comment here.  Hopefully
>> whoever maintains the newer Windows drivers will fix the ACPI / APIC
>> issues and no work around will be necessary soon(ish).
>>
>> I also want to personally (and publicly) thank Kevin, Jean-Louis, and
>> Sarah for the substantial work and the community collaboration.  This is
>> EXACTLY what we need for the Virt SIG .. people solving problems and
>> doing github pull requests so we can, together as a group, get these
>> projects working much better. 
>>
>> If someone else wants to help us with the Kernel .. or Xen .. here are
>> our github branches:
>>
>> https://github.com/CentOS-virt7/xen-kernel
>>
>> https://github.com/CentOS-virt7/xen
>>
>> Fork them .. work on them .. talk to us on #centos-virt in freenode or
>> on this mailing list .. then once we are all happy, you can submit a
>> pull request and we'll get your issues fixed.
>>
>> Thanks,
>> Johnny Hughes
>>
>>
>>
>>
>> _______________________________________________
>> CentOS-virt mailing list
>> CentOS-virt at centos.org
>> https://lists.centos.org/mailman/listinfo/centos-virt
> 
> 
> -- 
> --------------------------------------------------
> Giuseppe Tanzilli
> Serverplan 
> 
> 
> 
> _______________________________________________
> CentOS-virt mailing list
> CentOS-virt at centos.org
> https://lists.centos.org/mailman/listinfo/centos-virt
> 


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