On Wed 23-08-17 12:40:36, Feng Feng24 Liu wrote: > Dear experts > I install kernel 4.4.70-rt83 in my environment, and run QEMU-KVM & > OVS-DPDK on my server.
Is this reproducible? If yes could you try without RT patches applied to know this is applicable to vanilla kernel as well? > After a kernel warning, I found that all of the process, such as sshd, > has no response. The monitor cannot displayed. All process looks like has > been hanged. But the server could be ping. The warning tells that we have underflown the counter and that can have variety of side effects. [...] > I find there is a discuss at: > https://lkml.org/lkml/2015/12/3/460 from a quick glance this doesn't seem related. > Whether it is the same problem as above? Is it a known issue , which > has not been fixed in kernel 4.4.x? I haven't seen any such reports. -- Michal Hocko SUSE Labs
