Re: v4.16-rc1 + dm-mpath + BFQ
From: Paolo Valente <hidden>
Date: 2018-02-13 18:38:34
Il giorno 12 feb 2018, alle ore 17:31, Bart Van Assche =
[off-list ref] ha scritto:
=20 On 02/11/18 23:35, Paolo Valente wrote:quoted
Also this smells a little bit like some spurious elevator call. Unfortunately I have no clue on the cause. To go on, I need at least to reproduce it. In this respect: Bart, could you please tell me how to setup the offending configuration, and to cause the failure? Possibly with just one, or at most two PCs. I don't have fancier hw at the moment.=20 Hello Paolo, =20 Although I expect that it is possible to reproduce this with an =
unmodified v4.16-rc1 kernel, this is how I ran into this issue:
* Clone the for-next branch of https://github.com/bvanassche/linux. * Build and install that kernel in a virtual machine. * Clone https://github.com/bvanassche/srp-test. * Run the following command: srp-test/run_tests -c -d -r 10 -t 02-mq -e bfq =20
Hi Bart,
as a first attempt, I've followed your steps, but got:
Error: could not find sg_reset
expectedly because of dependencies that you are implying in your steps.
So, I have followed the instructions in the srp-test README for the
case "Running the Tests on an Ethernet Setup", directly on a 4.16-rc1.
For ib_srp-backport, I get a lot of warnings like the following one,
at "make install" (preceded by corresponding warnings at the end of
the compilation):
depmod: WARNING: /lib/modules/4.16.0-rc1+/extra/ib_srp.ko needs unknown =
symbol rdma_resolve_addr
Unfortunately, it gets worse while executing "make scst srpt":
CC [M] /home/paolo/scst/srpt/src/ib_srpt.o
In file included from /home/paolo/scst/srpt/src/ib_srpt.c:62:0:
/home/paolo/scst/srpt/src/ib_srpt.h:481:8: error: redefinition of =
=E2=80=98struct srp_login_req_rdma=E2=80=99
struct srp_login_req_rdma {
^~~~~~~~~~~~~~~~~~
In file included from /home/paolo/scst/srpt/src/ib_srpt.h:44:0,
from /home/paolo/scst/srpt/src/ib_srpt.c:62:
/mnt/linux-dev/linux/include/scsi/srp.h:139:8: note: originally defined =
here
struct srp_login_req_rdma {
^~~~~~~~~~~~~~~~~~
Could you please give me some help, so as to not get lost among these =
issues?
Thanks,
Paolo
Thanks, =20 Bart.