Hi Tariq On 01/22/2018 10:12 AM, jianchao.wang wrote: >>> On 19/01/2018 5:49 PM, Eric Dumazet wrote: >>>> On Fri, 2018-01-19 at 23:16 +0800, jianchao.wang wrote: >>>>> Hi Tariq >>>>> >>>>> Very sad that the crash was reproduced again after applied the patch. >> Memory barriers vary for different Archs, can you please share more details >> regarding arch and repro steps?
> The hardware is HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 > 12/27/2015 > The xen is installed. The crash occurred in DOM0. > Regarding to the repro steps, it is a customer's test which does heavy disk > I/O over NFS storage without any guest. > What is the finial suggestion on this ? If use wmb there, is the performance pulled down ? Thanks in advance Jianchao
