[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Xen-devel] megasas stops I/O when running kernel as dom0 under xen4.1/4.2
On 19/08/11 19:10, Andreas Olsowski wrote:
> Am 19.08.2011 18:49, schrieb Andrew Cooper:
> > The only change you need to make is in megasas_probe_one() in
> > megaraid_sas_base.c
> > Add a call to pci_enable_msi(pdev) immediately after the current
> call to
> > pci_set_master(pdev);
> > ~Andrew
> Yep, that works fine. Removed the module option as well.
> root@tarballerina:~# cat /proc/interrupts |grep mega
> 2236: 69010 0 0 0 0
> 0 0 0 xen-pirq-msi megasas
> The same procedure that would have lead to almost instant errors has
> not brought them to appear again.
Good. This is what we are seeing as well. I am still awaiting a reply
from LSI on this topic.
Unfortunately, this does point to a regression in the way Xen deals with
Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
T: +44 (0)1223 225 900, http://www.citrix.com
Xen-devel mailing list