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Re: [Xen-devel] Patching error while setting up COLO



On 03/05/2016 09:51 AM, Yu-An(Victor) Chen wrote:
> Hi Congyang,
> 
> Thanks for your reply,
> 
> even with your script, and I modify the "path_to_xen_source" to point where 
> my xen directory is. I still got this error.
> 
> ERROR: User requested feature xen
>        configure was not able to find it.
>        Install xen devel
> 
> What do you think what I am missing? Thank you!

Do you build xen before?

Thanks
Wen Congyang

> 
> Victor
> 
> 
> 
> On Thu, Mar 3, 2016 at 6:15 PM, Wen Congyang <wency@xxxxxxxxxxxxxx 
> <mailto:wency@xxxxxxxxxxxxxx>> wrote:
> 
>     On 03/04/2016 10:01 AM, Yu-An(Victor) Chen wrote:
>     > Hi,
>     >
>     > So I git clone 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_wencongyang_qemu-2Dxen.git&d=CwICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=IitX1U91-NhsQt0q4MJOLQ&m=4j1T2HKL4uKodf62b4Tz1XtOvX81uAqCqfOcD90CRAY&s=s0fo5ej8_vZ1PmOkDCuyIroS5Zi_KpDSHI8jqodSmrg&e=
>     >
>     > but i only see branch "con-xen-v2" instead of " colo-xen-v2" so I 
> assume I use just use con-xen-v2.
>     >
>     > But then the following step:
>     >
>     > in both ~/qemu-colo and ~/qemu-xen
>     >
>     > ./configure --enable-xen --target-list=x86_64-softmmu 
> --extra-cflags="-I$path_to_xen_source/tools/include 
> -I$path_to_xen_source/tools/libxc -I$path_to_xen_source/tools/xenstore" 
> --extra-ldflags="-L$path_to_xen_source/tools/libxc 
> -L$path_to_xen_source/tools/xenstore"
> 
> 
>     This command line is out of dated. The following is my building scripts:
>     #! /bin/bash
> 
>     path_to_xen_source=/work/src/xen
>     #./configure --enable-xen --target-list=i386-softmmu \
>     #            --extra-cflags="-I$path_to_xen_source/tools/include 
> -I$path_to_xen_source/tools/libxc/include 
> -I$path_to_xen_source/tools/xenstore/include" \
>     #            --extra-ldflags="-L$path_to_xen_source/tools/libxc 
> -L$path_to_xen_source/tools/xenstore"
> 
>     extra_cflags=""
>     extra_cflags+=" -DXC_WANT_COMPAT_EVTCHN_API=1"
>     extra_cflags+=" -DXC_WANT_COMPAT_GNTTAB_API=1"
>     extra_cflags+=" -DXC_WANT_COMPAT_MAP_FOREIGN_API=1"
>     extra_cflags+=" -I$path_to_xen_source/tools/include"
>     extra_cflags+=" -I$path_to_xen_source/tools/libs/toollog/include"
>     extra_cflags+=" -I$path_to_xen_source/tools/libs/evtchn/include"
>     extra_cflags+=" -I$path_to_xen_source/tools/libs/gnttab/include"
>     extra_cflags+=" -I$path_to_xen_source/tools/libs/foreignmemory/include"
>     extra_cflags+=" -I$path_to_xen_source/tools/libxc/include"
>     extra_cflags+=" -I$path_to_xen_source/tools/xenstore/include"
>     extra_cflags+=" -I$path_to_xen_source/tools/xenstore/compat/include"
>     extra_cflags+=" "
> 
>     extra_ldflags=""
>     extra_ldflags+=" -L$path_to_xen_source/tools/libxc"
>     extra_ldflags+=" -L$path_to_xen_source/tools/xenstore"
>     extra_ldflags+=" -L$path_to_xen_source/tools/libs/evtchn"
>     extra_ldflags+=" -L$path_to_xen_source/tools/libs/gnttab"
>     extra_ldflags+=" -L$path_to_xen_source/tools/libs/foreignmemory"
>     extra_ldflags+=" -Wl,-rpath-link=$path_to_xen_source/tools/libs/toollog"
>     extra_ldflags+=" -Wl,-rpath-link=$path_to_xen_source/tools/libs/evtchn"
>     extra_ldflags+=" -Wl,-rpath-link=$path_to_xen_source/tools/libs/gnttab"
>     extra_ldflags+=" -Wl,-rpath-link=$path_to_xen_source/tools/libs/call"
>     extra_ldflags+=" 
> -Wl,-rpath-link=$path_to_xen_source/tools/libs/foreignmemory"
>     extra_ldflags+=" "
> 
>     ./configure --enable-xen --target-list=i386-softmmu \
>                 --extra-cflags="$extra_cflags" \
>                 --extra-ldflags="$extra_ldflags"
> 
>     if [[ $? -ne 0 ]]; then
>         exit 1
>     fi
> 
>     #make -j8 && make clean
>     make -j8
> 
>     You can find the newest building way in tools/Makefile(xen's codes):
>     subdir-all-qemu-xen-dir: qemu-xen-dir-find
>             if test -d $(QEMU_UPSTREAM_LOC) ; then \
>                     source=$(QEMU_UPSTREAM_LOC); \
>             else \
>                     source=.; \
>             fi; \
>             cd qemu-xen-dir; \
>             if $$source/scripts/tracetool.py --check-backend --backend stderr 
> ; then \
>                     enable_trace_backend='--enable-trace-backend=stderr'; \
>             else \
>                     enable_trace_backend='' ; \
>             fi ; \
>             $$source/configure --enable-xen --target-list=i386-softmmu \
>                     $(QEMU_XEN_ENABLE_DEBUG) \
>                     $$enable_trace_backend \
>                     --prefix=$(LIBEXEC) \
>                     --libdir=$(LIBEXEC_LIB) \
>                     --includedir=$(LIBEXEC_INC) \
>     ....
> 
>     Thanks
>     Wen Congyang
> 
>     >
>     >
>     > I got the following error message:
>     >
>     > "ERROR: User requested feature xen
>     >        configure was not able to find it.
>     >        Install xen devel"
>     >
>     > I found out the the error came from just simply doing this:
>     >
>     > ./configure --enable-xen
>     >
>     > I am thinking the reason is because I did this step wrong:
>     >
>     > "path_to_xen_source=~/xen"
>     >
>     > Do I just simply copy and paste the above command into the terminal and 
> execute?
>     >
>     > Thank you!
>     >
>     > Victor
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     >
>     > Thank you!
>     >
>     > On Thu, Mar 3, 2016 at 2:46 AM, Wen Congyang <wency@xxxxxxxxxxxxxx 
> <mailto:wency@xxxxxxxxxxxxxx> <mailto:wency@xxxxxxxxxxxxxx 
> <mailto:wency@xxxxxxxxxxxxxx>>> wrote:
>     >
>     >     On 03/03/2016 05:39 PM, Yu-An(Victor) Chen wrote:
>     >     > Hi Changlong,
>     >     >
>     >     > Thanks for the reply,
>     >     >
>     >     > Again when I am trying to do the following:
>     >     >
>     >     > 5. build qemu-colo
>     >     > 1) cd ~/qemu-colo/; *git checkout colo-xen-v2*
>     >     > *
>     >     > *
>     >     > I got this error message *"error: pathspec 'colo-xen-v2' did not 
> match any file(s) known to git."* Even if I do git fetch, I still get the 
> same error.
>     >     >
>     >     > the qemu-colo I cloned from is provided by you 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_wencongyang_qemu-2Dcolo.git&d=CwICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=IitX1U91-NhsQt0q4MJOLQ&m=Mgaousw-OxgAf6f9NTOk2AidO8unmTx8nKwiGLUCISU&s=Tz2SiQ2gjQexttffgWiqgwj07qsfY4TpG4Hfcpo9Lco&e=
>     >
>     >     
> https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_wencongyang_qemu-2Dxen&d=CwICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=IitX1U91-NhsQt0q4MJOLQ&m=Mgaousw-OxgAf6f9NTOk2AidO8unmTx8nKwiGLUCISU&s=z-KexB48-yzsD9EEJ5tC3p8tHRiRi7LoUiP-gF6kKX0&e=
>  , not qemu-colo
>     >
>     >     >
>     >     > Thank you!
>     >     >
>     >     > Victor
>     >     >
>     >     >
>     >     >
>     >     > On Thu, Feb 25, 2016 at 9:07 PM, Changlong Xie 
> <xiecl.fnst@xxxxxxxxxxxxxx <mailto:xiecl.fnst@xxxxxxxxxxxxxx> 
> <mailto:xiecl.fnst@xxxxxxxxxxxxxx <mailto:xiecl.fnst@xxxxxxxxxxxxxx>> 
> <mailto:xiecl.fnst@xxxxxxxxxxxxxx <mailto:xiecl.fnst@xxxxxxxxxxxxxx> 
> <mailto:xiecl.fnst@xxxxxxxxxxxxxx <mailto:xiecl.fnst@xxxxxxxxxxxxxx>>>> wrote:
>     >     >
>     >     >     On 02/26/2016 12:55 PM, Yu-An(Victor) Chen wrote:
>     >     >
>     >     >         Hi Changlong,
>     >     >
>     >     >         Are you suggesting I should hold off on setting up COLO 
> for now?
>     >     >
>     >     >
>     >     >     No, just following my steps.
>     >     >
>     >     >     Thanks
>     >     >             -Xie
>     >     >
>     >     >
>     >     >         Thanks!
>     >     >
>     >     >         Victor
>     >     >
>     >     >         On Thu, Feb 25, 2016 at 8:19 PM, Changlong Xie 
> <xiecl.fnst@xxxxxxxxxxxxxx <mailto:xiecl.fnst@xxxxxxxxxxxxxx> 
> <mailto:xiecl.fnst@xxxxxxxxxxxxxx <mailto:xiecl.fnst@xxxxxxxxxxxxxx>> 
> <mailto:xiecl.fnst@xxxxxxxxxxxxxx <mailto:xiecl.fnst@xxxxxxxxxxxxxx> 
> <mailto:xiecl.fnst@xxxxxxxxxxxxxx <mailto:xiecl.fnst@xxxxxxxxxxxxxx>>>>
>     >     >         wrote:
>     >     >
>     >     >             On 02/26/2016 11:38 AM, Yu-An(Victor) Chen wrote:
>     >     >
>     >     >                 Hi Changlong,
>     >     >
>     >     >                 Thanks for the reply!
>     >     >
>     >     >                 So I am trying to follow your new instructions, 
> but when I am trying to do
>     >     >                 this:
>     >     >
>     >     >                    cd ~/colo-proxy/; git checkout 405527cbfa9f
>     >     >
>     >     >                 I got the following error:
>     >     >
>     >     >                 "error: pathspec '405527cbfa9f' did not match any 
> file(s) known to git."
>     >     >
>     >     >                 I assume it is just a typo? Thank you!
>     >     >
>     >     >
>     >     >             Hi victor
>     >     >
>     >     >             Please git clone
>     >     >             
> https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_Pating_colo-2Dproxy_tree_changlox&d=CwICaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=IitX1U91-NhsQt0q4MJOLQ&m=pCAkg_8tEQmGEZZoUlyePZjK7z-6aEmp-n6UrQRLWo4&s=Ww-EAIszC-zQuVcDc4XpigwVbMG_4t2SpTg2PV6HTjM&e=
>     >     >             *Notice* that, currently we implement colo proxy as a 
> kernel module what
>     >     >             is a temporary measure. But further more we'll 
> intergrate it in qemu and
>     >     >             drop this one, so both qemu-colo and xen-colo will 
> share the same proxy.
>     >     >             Please don't test this colo proxy now, there maybe 
> some bugs, but it's
>     >     >             acceptable.
>     >     >
>     >     >             Thanks
>     >     >                      -Xie
>     >     >
>     >     >
>     >     >                 Victor
>     >     >
>     >     >
>     >     >
>     >     >
>     >     >
>     >     >
>     >     >
>     >     >
>     >     >
>     >     >
>     >
>     >
>     >
>     >
> 
> 
> 
> 




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