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Date:      Wed, 13 May 2015 16:46:53 +0200
From:      =?windows-1252?Q?Roger_Pau_Monn=E9?= <roger.pau@citrix.com>
To:        "Eggert, Lars" <lars@netapp.com>
Cc:        "freebsd-xen@freebsd.org" <freebsd-xen@freebsd.org>
Subject:   Re: Xen dom0 "interrupt storm detected on "irq16:"; throttling interrupt source"
Message-ID:  <555363DD.7080906@citrix.com>
In-Reply-To: <7C88785C-B4B0-4A2A-A77D-8AD56BC79E91@netapp.com>
References:  <EAB58E00-BA0A-45FB-A709-01359219C106@netapp.com> <55531131.7040404@citrix.com> <65D7289A-9261-4F02-88E5-B2D137C268C1@netapp.com> <7C88785C-B4B0-4A2A-A77D-8AD56BC79E91@netapp.com>

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Hello,

El 13/05/15 a les 16.40, Eggert, Lars ha escrit:
> Also, building the xen tools currently seems to fail with:
> 
> gmake[3]: Entering directory '/usr/home/elars/xen/tools/qemu-xen-dir-remote'
>   GEN   config-host.h
>   GEN   trace/generated-tracers.h
>   GEN   trace/generated-tcg-tracers.h
>   GEN   trace/generated-helpers-wrappers.h
>   GEN   trace/generated-helpers.h
>   CC    qapi-types.o
>   CC    qapi-visit.o
>   CC    qapi-event.o
>   CC    trace/generated-events.o
>   AR    libqemuutil.a
>   AR    libqemustub.a
>   LINK  qemu-nbd
>   CC    qemu-img.o
>   LINK  qemu-img
>   LINK  qemu-io
>   CC    migration-rdma.o
> migration-rdma.c: In function 'qemu_rdma_broken_ipv6_kernel':
> migration-rdma.c:795:26: warning: unused variable 'port_attr' [-Wunused-variable]
> migration-rdma.c: In function 'qemu_rdma_resolve_host':
> migration-rdma.c:912:5: warning: implicit declaration of function 'rdma_getaddrinfo' [-Wimplicit-function-declaration]
> migration-rdma.c:912:5: warning: nested extern declaration of 'rdma_getaddrinfo' [-Wnested-externs]
> migration-rdma.c:918:35: error: dereferencing pointer to incomplete type
> migration-rdma.c:919:20: error: dereferencing pointer to incomplete type
> migration-rdma.c:920:39: error: dereferencing pointer to incomplete type
> migration-rdma.c:923:53: error: dereferencing pointer to incomplete type
> migration-rdma.c:926:18: error: dereferencing pointer to incomplete type
> migration-rdma.c: In function 'qemu_rdma_dest_init':
> migration-rdma.c:2456:39: error: dereferencing pointer to incomplete type
> migration-rdma.c:2457:24: error: dereferencing pointer to incomplete type
> migration-rdma.c:2458:43: error: dereferencing pointer to incomplete type
> migration-rdma.c:2460:46: error: dereferencing pointer to incomplete type
> migration-rdma.c:2462:22: error: dereferencing pointer to incomplete type
> /usr/home/elars/xen/tools/qemu-xen-dir/rules.mak:57: recipe for target 'migration-rdma.o' failed
> gmake[3]: *** [migration-rdma.o] Error 1
> gmake[3]: Leaving directory '/usr/home/elars/xen/tools/qemu-xen-dir-remote'
> Makefile:201: recipe for target 'subdir-all-qemu-xen-dir' failed
> gmake[2]: *** [subdir-all-qemu-xen-dir] Error 2
> gmake[2]: Leaving directory '/usr/home/elars/xen/tools'
> /usr/home/elars/xen/tools/../tools/Rules.mk:111: recipe for target 'subdirs-install' failed
> gmake[1]: *** [subdirs-install] Error 2
> gmake[1]: Leaving directory '/usr/home/elars/xen/tools'
> Makefile:69: recipe for target 'install-tools' failed
> gmake: *** [install-tools] Error 2

I guess migration-rdma gets compiled because Qemu detects that you have
some library and assumes that you want it enabled. Did you install
something new between your previous build of Xen and this one?

Roger.




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