On Tue, 21 Feb 2017 18:21:53 +0800 Cao jin <caoj.f...@cn.fujitsu.com> wrote:
> Hi, > > First, sorry for such a long time delay on the AER job. I was on 12 days > holiday, and start to work on the patch 2 weeks ago, because I use a > newer version kernel(4.10 rc8) to start off the work, several tiny > problems slow me. > > Now I meet a confusing issue on aer_inject module. When I use aer_inject > command before, it says: > > Error: Failed to write, No such device > > then in dmesg, it says: > > pcieport 0000:00:09.0: aer_inject: AER device not found > > and then I add some debug line in find_aer_device_iter() to check > device->bus-name, find that it is "pci", so that is why I can't inject, > it should have been "pci_express". But everything is same as before > except a newer host kernel. > > I still don't have a clue on this problem for almost 2 days, could you help? If it only happens with a new host kernel, I would suggest finding a kernel where it works and bisecting between working and non-working kernels to find the commit that introduced the change. You may have found a regression in the kernel that should be reported upstream. Thanks, Alex