Re: [Xen-devel] Secondary bus reset for VT-d device

["Neo Jia" <neojia@xxxxxxxxx>]

But this will break the build, right? And the stubdomain can't be
built even just running make stubdomain.

On Fri, Aug 29, 2008 at 11:45 PM, Cui, Dexuan <dexuan.cui@xxxxxxxxx> wrote:
> I changed the Makefile to not build/install stubdomain for now . :-)
> Attach the changes FYI.
>
> -- Dexuan
>
> Neo Jia wrote:
>> Got a build error with 18407.
>>
>> Any idea? The file crosstool is in the right place, I think
>>
>> gcc -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/../extras/mini-os/include
>> -D__MINIOS__ -DHAVE_LIBC -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/../extras/mini-os/include/posix
>> -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/../tools/xenstore
>>  -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/../extras/mini-os/include/x86
>> -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/../extras/mini-os/include/x86/x86_64
>> -U __linux__ -U __FreeBSD__ -U __sun__ -nostdinc -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/../extras/mini-os/include/posix
>> -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/cross-root-x86_64/x86_64-xen-elf/include
>> -isystem /usr/lib/gcc/x86_64-redhat-linux/4.1.2/include -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/lwip/src/include -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/lwip/src/include/ipv4
>> -I/home/franck/xen/xen-unstable-tip.hg/stubdom/include -mno-red-zone
>> -O1 -fno-omit-frame-pointer -fno-optimize-sibling-calls  -m64
>> -mno-red-zone -fno-reorder-blocks -fno-asynchronous-unwind-tables -m64
>> -g -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes
>> -Wno-unused-value -Wdeclaration-after-statement   -fno-stack-protector
>>  -I/home/franck/xen/xen-unstable-tip.hg/extras/mini-os/include -O2
>> -Wall -W -Wno-parentheses -Wstrict-prototypes -Wmissing-prototypes -O1
>> -fno-omit-frame-pointer -fno-optimize-sibling-calls  -m64
>> -mno-red-zone -fno-reorder-blocks -fno-asynchronous-unwind-tables -m64
>> -g -fno-strict-aliasing -std=gnu99 -Wall -Wstrict-prototypes
>> -Wno-unused-value -Wdeclaration-after-statement  -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/pciutils-x86_64/lib/../../../extras/mini-os/include
>> -D__MINIOS__ -DHAVE_LIBC -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/pciutils-x86_64/lib/../../../extras/mini-os/include/posix
>> -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/pciutils-x86_64/lib/../../../tools/xenstore
>>  -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/pciutils-x86_64/lib/../../../extras/mini-os/include/x86
>> -isystem
>> /home/franck/xen/xen-unstable-tip.hg/stubdom/pciutils-x86_64/lib/../../../extras/mini-os/include/x86/x86_64
>>  -c -o minios.o minios.c
>> minios.c: In function Ã:
>> minios.c:15: warning: unused parameter Ã
>> minios.c: In function Ã:
>> minios.c:42: warning: no previous prototype for Ã
>> minios.c:41: warning: ISO C90 forbids mixed declarations and code
>> rm -f libpci.a
>> ar rcs libpci.a access.o generic.o dump.o names.o filter.o minios.o
>> ranlib libpci.a
>> sed <libpci.pc.in >libpci.pc -e 's,@PREFIX@,/usr/local,' \
>>                 -e 's,@INCDIR@,/usr/local/include,' \
>>                 -e 's,@LIBDIR@,/usr/local/lib64,' \
>>                 -e 's,@IDSDIR@,/usr/local/share,' \
>>                 -e 's,@VERSION@,2.2.9,' \
>>                 -e 's,@LIBZ@,-lz,'
>> make[4]: Leaving directory
>> `/home/franck/xen/xen-unstable-tip.hg/stubdom/pciutils-x86_64/lib'
>> make[3]: Leaving directory
>> `/home/franck/xen/xen-unstable-tip.hg/stubdom/pciutils-x86_64'
>> /bin/sh: line 5: ../tools/cross-install: No such file or directory
>> make[2]: *** [cross-root-x86_64/x86_64-xen-elf/lib/libpci.a] Error 127
>> make[2]: Leaving directory
>> `/home/franck/xen/xen-unstable-tip.hg/stubdom'
>> make[1]: *** [install-stubdom] Error 2
>> make[1]: Leaving directory `/home/franck/xen/xen-unstable-tip.hg'
>> make: *** [world] Error 2
>>
>> Thanks,
>> Neo
>>
>> On Fri, Aug 29, 2008 at 6:26 PM, Cui, Dexuan <dexuan.cui@xxxxxxxxx>
>> wrote:
>>> What issue did you find?
>>> I tested the python function do_secondary_bus_reset() on DQ35 and
>>> don't find issues.
>>>
>>> You may add your log.debug(...) (the output is at
>>> /var/log/xen/xend.log) to tools/python/xen/xend/server/pciif.py and
>>> tools/python/xen/util/pci.py to debug the issue you found.
>>>
>>> BTW, can you try the latest xen-unstable.hg (like 18407:
>>> c503269192f2) to see if your issue is still there?
>>>
>>> -- Dexuan
>>>
>>>
>>> -----Original Message-----
>>> From: Neo Jia [mailto:neojia@xxxxxxxxx]
>>> Sent: 2008å8æ30æ 7:26
>>> To: Cui, Dexuan
>>> Cc: Ian Pratt; xen-devel@xxxxxxxxxxxxxxxxxxx; Han, Weidong
>>> Subject: Re: [Xen-devel] Secondary bus reset for VT-d device
>>>
>>> I just tried it on my Q35 board. It looks that there is something
>>> wrong with the secondary bus reset, but I can't get log to prove it.
>>>
>>> So, anybody test it on Q35 board? Or, how to debug it?
>>>
>>> Here is the tip I am using:
>>>
>>>> hg tip
>>> changeset:   18387:6c50c7d089d9
>>> tag:         tip
>>> user:        Keir Fraser <keir.fraser@xxxxxxxxxx>
>>> date:        Wed Aug 27 15:16:13 2008 +0100
>>> summary:     hvmloader: Fix e820_malloc() after bug I introduced in
>>> c/s 18383
>>>
>>> Thanks,
>>> Neo
>>>
>>> 2008/8/29 Cui, Dexuan <dexuan.cui@xxxxxxxxx>:
>>>> Hi Ian,
>>>> Yes, I'm moving it to the pciback driver.
>>>>
>>>> Thanks,
>>>> -- Dexuan
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Ian Pratt [mailto:Ian.Pratt@xxxxxxxxxxxxx]
>>>> Sent: 2008å8æ29æ 16:15
>>>> To: Cui, Dexuan; Neo Jia; xen-devel@xxxxxxxxxxxxxxxxxxx
>>>> Cc: Han, Weidong; Ian Pratt
>>>> Subject: RE: [Xen-devel] Secondary bus reset for VT-d device
>>>>
>>>>> Yes. When FLR-ing device, if the device lacks proper FLR capability
>>>>> (PCIe FLR, PCI Advanced Capabilities or ssomething), we will try
>>>>> SecondaryBusReset. Currently the FLR is done in xend.
>>>>
>>>> Now that 3.3 is out, are we going to move the FLR functionality
>>>> from xend to blkback as per the email discussion a couple of months
>>>> ago?
>>>>
>>>> Thanks,
>>>> Ian
>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> I would remember that if researchers were not ambitious
>>> probably today we haven't the technology we are using!
>
>
>
>
>
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>



-- 
I would remember that if researchers were not ambitious
probably today we haven't the technology we are using!

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