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Re: [Qemu-devel] RDMA wrongly detected as being supported on FreeBSD


From: Dr. David Alan Gilbert
Subject: Re: [Qemu-devel] RDMA wrongly detected as being supported on FreeBSD
Date: Wed, 25 Jul 2018 11:59:45 +0100
User-agent: Mutt/1.10.0 (2018-05-17)

* Marcel Apfelbaum (address@hidden) wrote:
> Hi,
> 
> On 07/25/2018 10:32 AM, Thomas Huth wrote:
> > On 25.07.2018 06:47, Rebecca Cran wrote:
> > > In commit 18a398f6a39df4b08ff86ac0d38384193ca5f4cc, ./configure on
> > > FreeBSD incorrectly detects RDMA support,
> 
> configure is looking for the rdma related libraries,  if they are there,
> the rdma code will be compiled into QEMU.
> 
> You can try and run configure with --disable-rdma flag until we find
> a solution.

Note that this flag is tied to both the RMDA migration and the RDMA
device emulation; RDMA migration may well be working for the reporter.

Dave

> > >   with the build subsequently
> > > failing with:
> > > 
> > > /home/bcran/workspace/qemu/hw/rdma/vmw/pvrdma_cmd.c:19:10: fatal error:
> > > 'linux/types.h' file not found
> > > #include <linux/types.h>
> > >           ^~~~~~~~~~~~~~~
> Do you have the kernel-headers package installed?
> 
> > > 1 error generated.
> > > gmake[1]: *** [/home/bcran/workspace/qemu/rules.mak:69:
> > > hw/rdma/vmw/pvrdma_cmd.o] Error 1
> > > gmake[1]: *** Waiting for unfinished jobs....
> > > gmake: *** [Makefile:481: subdir-x86_64-softmmu] Error 2
> > When was it still working for you the last time? Was it still working
> > with v3.0-rc1 ? Or just with v2.12 ? Any chance that you could bisect
> > the problem to determine when it has been introduced?
> 
> Good idea.
> 
> Thanks,
> Marcel
> 
> >   Thomas
> 
> 
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK



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