* Linux issues on Xilinx XUPV2P board
@ 2008-07-03 15:18 Alan Casey
2008-08-15 8:43 ` wangyanlong
0 siblings, 1 reply; 12+ messages in thread
From: Alan Casey @ 2008-07-03 15:18 UTC (permalink / raw)
To: linuxppc-embedded; +Cc: alan.casey5
Hi,
I have tried running the Linux 2.6.24 and Linux 2.6.26 kernels from
git.xilinx.com on the Xilinx XUPV2P board but have run into a few probl=
ems.
Cross-compiler i use to compile applications was built using Crosstools=
and
based on gcc 3.3.4. I use Xilinx EDK 7.1 for integrating hardware perip=
herals
onto the board.
The problems i've seen are:
(i) gettimeofday software function returns time of 0 all the time.
(ii) The Linux 2.6.24 kernel's Xilinx Framebuffer driver and/or the Xil=
inx
PLB TFT Controller IP block (plb_tft_cntlr_ref_v1_00_d) does not a=
ppear
to centre the display on a VGA screen properly(vertically offset).=
(iii) 64-bit write/read access to peripheral integrated onto the Xilinx=
Virtex-II Pro FPGA either causes a system crash or only lower par=
t
of 32-bit data to be written (i.e. lower part of 64-bit data appe=
ars
to be mirrored on the upper and lower 32-bits of the system bus).=
However, 32-bit write/read access to the peripheral passes as wel=
l
as 64-bit write/read access to the SDRAM memory address space.
Peripheral interface has been verified to be IBM PLB compliant
via IBM bus functional model simulations.
(iv) The Linux 2.6.26 Xilinx Framebuffer driver on the Xilinx XUPV2P b=
oard
does not appear to be working - nothing displayed to screen/conso=
le
not switching to framebuffer device on bootup.
Just wondering if anybody has seen these issues before and know how to=
resolve them?
Any info. appreciated,
Regards,
Alan.
^ permalink raw reply [flat|nested] 12+ messages in thread* Re: Linux issues on Xilinx XUPV2P board 2008-07-03 15:18 Linux issues on Xilinx XUPV2P board Alan Casey @ 2008-08-15 8:43 ` wangyanlong 2008-08-15 9:59 ` Alan Casey 0 siblings, 1 reply; 12+ messages in thread From: wangyanlong @ 2008-08-15 8:43 UTC (permalink / raw) To: linuxppc-embedded I meet the problem as yours . And my vga's display is not clear , have you meet this? Alan Casey wrote: > > Hi, > > I have tried running the Linux 2.6.24 and Linux 2.6.26 kernels from > git.xilinx.com on the Xilinx XUPV2P board but have run into a few > problems. > > Cross-compiler i use to compile applications was built using Crosstools > and > based on gcc 3.3.4. I use Xilinx EDK 7.1 for integrating hardware > peripherals > onto the board. > > The problems i've seen are: > > (i) gettimeofday software function returns time of 0 all the time. > > (ii) The Linux 2.6.24 kernel's Xilinx Framebuffer driver and/or the > Xilinx > > PLB TFT Controller IP block (plb_tft_cntlr_ref_v1_00_d) does not > appear > > to centre the display on a VGA screen properly(vertically offset). > > (iii) 64-bit write/read access to peripheral integrated onto the Xilinx > > Virtex-II Pro FPGA either causes a system crash or only lower part > > of 32-bit data to be written (i.e. lower part of 64-bit data > appears > to be mirrored on the upper and lower 32-bits of the system bus). > However, 32-bit write/read access to the peripheral passes as well > as 64-bit write/read access to the SDRAM memory address space. > Peripheral interface has been verified to be IBM PLB compliant > via IBM bus functional model simulations. > > (iv) The Linux 2.6.26 Xilinx Framebuffer driver on the Xilinx XUPV2P > board > > does not appear to be working - nothing displayed to > screen/console > > not switching to framebuffer device on bootup. > > Just wondering if anybody has seen these issues before and know how to > resolve them? > > Any info. appreciated, > Regards, > Alan. > > > > > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > -- View this message in context: http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18262250p18995644.html Sent from the linuxppc-embedded mailing list archive at Nabble.com. ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: Linux issues on Xilinx XUPV2P board 2008-08-15 8:43 ` wangyanlong @ 2008-08-15 9:59 ` Alan Casey 2008-08-15 11:35 ` wangyanlong 0 siblings, 1 reply; 12+ messages in thread From: Alan Casey @ 2008-08-15 9:59 UTC (permalink / raw) To: wangyanlong, linuxppc-embedded Hi, Yes i had a problem with using one of the Linux 2.6.26 kernel versions on the XUPV2P board where the VGA display has not driven correctly, not sure why. The Linux 2.6.24 kernel from git.xilinx.com works fine. Regards, Alan. >-- Original Message -- >Date: Fri, 15 Aug 2008 01:43:37 -0700 (PDT) >From: wangyanlong <killyouatonce@gmail.com> >To: linuxppc-embedded@ozlabs.org >Subject: Re: Linux issues on Xilinx XUPV2P board > > > >I meet the problem as yours . And my vga's display is not clear , have you >meet this? > >Alan Casey wrote: >> >> Hi, >> >> I have tried running the Linux 2.6.24 and Linux 2.6.26 kernels from > >> git.xilinx.com on the Xilinx XUPV2P board but have run into a few >> problems. >> >> Cross-compiler i use to compile applications was built using Crossto= ols >> and >> based on gcc 3.3.4. I use Xilinx EDK 7.1 for integrating hardware >> peripherals >> onto the board. >> >> The problems i've seen are: >> >> (i) gettimeofday software function returns time of 0 all the time. >> >> (ii) The Linux 2.6.24 kernel's Xilinx Framebuffer driver and/or the >> Xilinx >> >> PLB TFT Controller IP block (plb_tft_cntlr_ref_v1_00_d) does no= t >> appear >> >> to centre the display on a VGA screen properly(vertically offse= t). >> >> (iii) 64-bit write/read access to peripheral integrated onto the Xil= inx >> >> Virtex-II Pro FPGA either causes a system crash or only lower part >> >> of 32-bit data to be written (i.e. lower part of 64-bit data >> appears >> to be mirrored on the upper and lower 32-bits of the system bu= s). >> However, 32-bit write/read access to the peripheral passes as well >> as 64-bit write/read access to the SDRAM memory address space.= >> Peripheral interface has been verified to be IBM PLB compliant= > >> via IBM bus functional model simulations. >> >> (iv) The Linux 2.6.26 Xilinx Framebuffer driver on the Xilinx XUPV2= P >> board >> >> does not appear to be working - nothing displayed to >> screen/console >> >> not switching to framebuffer device on bootup. >> >> Just wondering if anybody has seen these issues before and know how= >to >> resolve them? >> >> Any info. appreciated, >> Regards, >> Alan. >> >> >> >> >> _______________________________________________ >> Linuxppc-embedded mailing list >> Linuxppc-embedded@ozlabs.org >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded >> >> > >-- >View this message in context: http://www.nabble.com/Linux-issues-on-Xili= nx-XUPV2P-board-tp18262250p18995644.html >Sent from the linuxppc-embedded mailing list archive at Nabble.com. > >_______________________________________________ >Linuxppc-embedded mailing list >Linuxppc-embedded@ozlabs.org >https://ozlabs.org/mailman/listinfo/linuxppc-embedded ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: Linux issues on Xilinx XUPV2P board 2008-08-15 9:59 ` Alan Casey @ 2008-08-15 11:35 ` wangyanlong 2008-08-15 12:34 ` Alan Casey 0 siblings, 1 reply; 12+ messages in thread From: wangyanlong @ 2008-08-15 11:35 UTC (permalink / raw) To: linuxppc-embedded Hi Alan I dow load the kernel from " http://git.xilinx.com/cgi-bin/gitweb.cgi?p=linux-2.6-xlnx.git;a=summary " Merge ../../linux-2.6 into 2.6.26-merge master commit | commitdiff | tree | snapshot this version ,but it not work well,which version you downloaded? Many thanks yanlong Alan Casey wrote: > > Hi, > > Yes i had a problem with using one of the Linux 2.6.26 > kernel versions on the XUPV2P board where the VGA > display has not driven correctly, not sure why. > The Linux 2.6.24 kernel from git.xilinx.com works fine. > > Regards, > Alan. > > >>-- Original Message -- >>Date: Fri, 15 Aug 2008 01:43:37 -0700 (PDT) >>From: wangyanlong <killyouatonce@gmail.com> >>To: linuxppc-embedded@ozlabs.org >>Subject: Re: Linux issues on Xilinx XUPV2P board >> >> >> >>I meet the problem as yours . And my vga's display is not clear , have > you >>meet this? >> >>Alan Casey wrote: >>> >>> Hi, >>> >>> I have tried running the Linux 2.6.24 and Linux 2.6.26 kernels from > >> >>> git.xilinx.com on the Xilinx XUPV2P board but have run into a few >>> problems. >>> >>> Cross-compiler i use to compile applications was built using >>> Crosstools >>> and >>> based on gcc 3.3.4. I use Xilinx EDK 7.1 for integrating hardware >>> peripherals >>> onto the board. >>> >>> The problems i've seen are: >>> >>> (i) gettimeofday software function returns time of 0 all the time. >>> >>> (ii) The Linux 2.6.24 kernel's Xilinx Framebuffer driver and/or the >>> Xilinx >>> >>> PLB TFT Controller IP block (plb_tft_cntlr_ref_v1_00_d) does not >>> appear >>> >>> to centre the display on a VGA screen properly(vertically >>> offset). >>> >>> (iii) 64-bit write/read access to peripheral integrated onto the >>> Xilinx >>> >>> Virtex-II Pro FPGA either causes a system crash or only lower > part >>> >>> of 32-bit data to be written (i.e. lower part of 64-bit data >>> appears >>> to be mirrored on the upper and lower 32-bits of the system >>> bus). >>> However, 32-bit write/read access to the peripheral passes as > well >>> as 64-bit write/read access to the SDRAM memory address space. >>> Peripheral interface has been verified to be IBM PLB compliant >> >>> via IBM bus functional model simulations. >>> >>> (iv) The Linux 2.6.26 Xilinx Framebuffer driver on the Xilinx XUPV2P >>> board >>> >>> does not appear to be working - nothing displayed to >>> screen/console >>> >>> not switching to framebuffer device on bootup. >>> >>> Just wondering if anybody has seen these issues before and know how >>to >>> resolve them? >>> >>> Any info. appreciated, >>> Regards, >>> Alan. >>> >>> >>> >>> >>> _______________________________________________ >>> Linuxppc-embedded mailing list >>> Linuxppc-embedded@ozlabs.org >>> https://ozlabs.org/mailman/listinfo/linuxppc-embedded >>> >>> >> >>-- >>View this message in context: http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18262250p18995644.html >>Sent from the linuxppc-embedded mailing list archive at Nabble.com. >> >>_______________________________________________ >>Linuxppc-embedded mailing list >>Linuxppc-embedded@ozlabs.org >>https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > -- View this message in context: http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18262250p18997255.html Sent from the linuxppc-embedded mailing list archive at Nabble.com. ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: Linux issues on Xilinx XUPV2P board 2008-08-15 11:35 ` wangyanlong @ 2008-08-15 12:34 ` Alan Casey 2008-08-15 14:30 ` John Linn 2008-08-15 14:31 ` wangyanlong 0 siblings, 2 replies; 12+ messages in thread From: Alan Casey @ 2008-08-15 12:34 UTC (permalink / raw) To: wangyanlong, linuxppc-embedded Hi, I used version 2.6.24. Current version is 2.6.26+ but im not sure how to download previous versions from the git tree, there should be some info at http://git.xilinx.com about how to do this. Regards, Alan. >-- Original Message -- >Date: Fri, 15 Aug 2008 04:35:01 -0700 (PDT) >From: wangyanlong <killyouatonce@gmail.com> >To: linuxppc-embedded@ozlabs.org >Subject: Re: Linux issues on Xilinx XUPV2P board > > > >Hi Alan > I dow load the kernel from " >http://git.xilinx.com/cgi-bin/gitweb.cgi?p=3Dlinux-2.6-xlnx.git;a=3Dsumm= ary " > >Merge ../../linux-2.6 into 2.6.26-merge master commit | commitdiff | t= ree >| snapshot > >this version ,but it not work well,which version you downloaded? > >Many thanks >yanlong > > >Alan Casey wrote: >> >> Hi, >> >> Yes i had a problem with using one of the Linux 2.6.26 >> kernel versions on the XUPV2P board where the VGA >> display has not driven correctly, not sure why. >> The Linux 2.6.24 kernel from git.xilinx.com works fine. >> >> Regards, >> Alan. >> >> >>>-- Original Message -- >>>Date: Fri, 15 Aug 2008 01:43:37 -0700 (PDT) >>>From: wangyanlong <killyouatonce@gmail.com> >>>To: linuxppc-embedded@ozlabs.org >>>Subject: Re: Linux issues on Xilinx XUPV2P board >>> >>> >>> >>>I meet the problem as yours . And my vga's display is not clear , hav= e >> you >>>meet this? >>> >>>Alan Casey wrote: >>>> >>>> Hi, >>>> >>>> I have tried running the Linux 2.6.24 and Linux 2.6.26 kernels fro= m >> >>> >>>> git.xilinx.com on the Xilinx XUPV2P board but have run into a few >>>> problems. >>>> >>>> Cross-compiler i use to compile applications was built using >>>> Crosstools >>>> and >>>> based on gcc 3.3.4. I use Xilinx EDK 7.1 for integrating hardware >>>> peripherals >>>> onto the board. >>>> >>>> The problems i've seen are: >>>> >>>> (i) gettimeofday software function returns time of 0 all the time.= >>>> >>>> (ii) The Linux 2.6.24 kernel's Xilinx Framebuffer driver and/or th= e >>>> Xilinx >>>> >>>> PLB TFT Controller IP block (plb_tft_cntlr_ref_v1_00_d) does not >>>> appear >>>> >>>> to centre the display on a VGA screen properly(vertically >>>> offset). >>>> >>>> (iii) 64-bit write/read access to peripheral integrated onto the >>>> Xilinx >>>> >>>> Virtex-II Pro FPGA either causes a system crash or only lowe= r >> part >>>> >>>> of 32-bit data to be written (i.e. lower part of 64-bit data= >>>> appears >>>> to be mirrored on the upper and lower 32-bits of the system >>>> bus). >>>> However, 32-bit write/read access to the peripheral passes a= s >> well >>>> as 64-bit write/read access to the SDRAM memory address spac= e. >>>> Peripheral interface has been verified to be IBM PLB complia= nt >>> >>>> via IBM bus functional model simulations. >>>> >>>> (iv) The Linux 2.6.26 Xilinx Framebuffer driver on the Xilinx XUP= V2P >>>> board >>>> >>>> does not appear to be working - nothing displayed to >>>> screen/console >>>> >>>> not switching to framebuffer device on bootup. >>>> >>>> Just wondering if anybody has seen these issues before and know h= ow >>>to >>>> resolve them? >>>> >>>> Any info. appreciated, >>>> Regards, >>>> Alan. >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Linuxppc-embedded mailing list >>>> Linuxppc-embedded@ozlabs.org >>>> https://ozlabs.org/mailman/listinfo/linuxppc-embedded >>>> >>>> >>> >>>-- >>>View this message in context: >http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18262250p189= 95644.html >>>Sent from the linuxppc-embedded mailing list archive at Nabble.com. >>> >>>_______________________________________________ >>>Linuxppc-embedded mailing list >>>Linuxppc-embedded@ozlabs.org >>>https://ozlabs.org/mailman/listinfo/linuxppc-embedded >> >> >> _______________________________________________ >> Linuxppc-embedded mailing list >> Linuxppc-embedded@ozlabs.org >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded >> >> > >-- >View this message in context: http://www.nabble.com/Linux-issues-on-Xili= nx-XUPV2P-board-tp18262250p18997255.html >Sent from the linuxppc-embedded mailing list archive at Nabble.com. > >_______________________________________________ >Linuxppc-embedded mailing list >Linuxppc-embedded@ozlabs.org >https://ozlabs.org/mailman/listinfo/linuxppc-embedded ^ permalink raw reply [flat|nested] 12+ messages in thread
* RE: Linux issues on Xilinx XUPV2P board 2008-08-15 12:34 ` Alan Casey @ 2008-08-15 14:30 ` John Linn 2008-08-15 14:36 ` Alan Casey 2008-08-15 14:31 ` wangyanlong 1 sibling, 1 reply; 12+ messages in thread From: John Linn @ 2008-08-15 14:30 UTC (permalink / raw) To: alan.casey5, wangyanlong, linuxppc-embedded Hi Alan, I'm assuming you must not have Git installed from the question, otherwise you would be using git clone as the site shows. On the http://git.xilinx.com, it says the following, = Users without Git installed may create a tar file by using the snapshot feature. Select the tree view of the repository (far right side) on this page, then select snapshot (near the top) and a gziped tar file will be created and downloaded. = Is this what you're looking for? -- John > -----Original Message----- > From: = > linuxppc-embedded-bounces+john.linn=3Dxilinx.com@ozlabs.org = > [mailto:linuxppc-embedded-bounces+john.linn=3Dxilinx.com@ozlabs. > org] On Behalf Of Alan Casey > Sent: Friday, August 15, 2008 6:34 AM > To: wangyanlong; linuxppc-embedded@ozlabs.org > Subject: Re: Linux issues on Xilinx XUPV2P board > = > Hi, > = > I used version 2.6.24. Current version is 2.6.26+ but im > not sure how to download previous versions from the git > tree, there should be some info at http://git.xilinx.com > about how to do this. > = > Regards, > Alan. > = > >-- Original Message -- > >Date: Fri, 15 Aug 2008 04:35:01 -0700 (PDT) > >From: wangyanlong <killyouatonce@gmail.com> > >To: linuxppc-embedded@ozlabs.org > >Subject: Re: Linux issues on Xilinx XUPV2P board > > > > > > > >Hi Alan = > > I dow load the kernel from " > >http://git.xilinx.com/cgi-bin/gitweb.cgi?p=3Dlinux-2.6-xlnx.git > ;a=3Dsummary > " > > > >Merge ../../linux-2.6 into 2.6.26-merge master commit | = > commitdiff | tree > >| snapshot > > = > >this version ,but it not work well,which version you downloaded? > > > >Many thanks > >yanlong > > = > > > >Alan Casey wrote: > >> = > >> Hi, > >> = > >> Yes i had a problem with using one of the Linux 2.6.26 > >> kernel versions on the XUPV2P board where the VGA > >> display has not driven correctly, not sure why. > >> The Linux 2.6.24 kernel from git.xilinx.com works fine. > >> = > >> Regards, > >> Alan. > >> = > >> = > >>>-- Original Message -- > >>>Date: Fri, 15 Aug 2008 01:43:37 -0700 (PDT) > >>>From: wangyanlong <killyouatonce@gmail.com> > >>>To: linuxppc-embedded@ozlabs.org > >>>Subject: Re: Linux issues on Xilinx XUPV2P board > >>> > >>> > >>> > >>>I meet the problem as yours . And my vga's display is not = > clear , have > >> you > >>>meet this? > >>> > >>>Alan Casey wrote: > >>>> = > >>>> Hi, > >>>> = > >>>> I have tried running the Linux 2.6.24 and Linux 2.6.26 = > kernels from > >> = > >>> = > >>>> git.xilinx.com on the Xilinx XUPV2P board but have run = > into a few > >>>> problems. > >>>> = > >>>> Cross-compiler i use to compile applications was built using > >>>> Crosstools > >>>> and > >>>> based on gcc 3.3.4. I use Xilinx EDK 7.1 for = > integrating hardware > >>>> peripherals > >>>> onto the board. > >>>> = > >>>> The problems i've seen are: > >>>> = > >>>> (i) gettimeofday software function returns time of 0 = > all the time. > >>>> = > >>>> (ii) The Linux 2.6.24 kernel's Xilinx Framebuffer = > driver and/or the > >>>> Xilinx > >>>> > >>>> PLB TFT Controller IP block = > (plb_tft_cntlr_ref_v1_00_d) does > not > >>>> appear > >>>> = > >>>> to centre the display on a VGA screen properly(vertically > >>>> offset). > >>>> = > >>>> (iii) 64-bit write/read access to peripheral = > integrated onto the > >>>> Xilinx > >>>> = > >>>> Virtex-II Pro FPGA either causes a system crash = > or only lower > >> part > >>>> = > >>>> of 32-bit data to be written (i.e. lower part of = > 64-bit data > >>>> appears > >>>> to be mirrored on the upper and lower 32-bits of = > the system > >>>> bus). > >>>> However, 32-bit write/read access to the = > peripheral passes as > >> well > >>>> as 64-bit write/read access to the SDRAM memory = > address space. > >>>> Peripheral interface has been verified to be IBM = > PLB compliant > >>> > >>>> via IBM bus functional model simulations. = > >>>> = > >>>> (iv) The Linux 2.6.26 Xilinx Framebuffer driver on = > the Xilinx XUPV2P > >>>> board > >>>> = > >>>> does not appear to be working - nothing displayed to > >>>> screen/console > >>>> = > >>>> not switching to framebuffer device on bootup. = > >>>> = > >>>> Just wondering if anybody has seen these issues = > before and know how > >>>to > >>>> resolve them? > >>>> = > >>>> Any info. appreciated, > >>>> Regards, > >>>> Alan. > >>>> = > >>>> = > >>>> = > >>>> = > >>>> _______________________________________________ > >>>> Linuxppc-embedded mailing list > >>>> Linuxppc-embedded@ozlabs.org > >>>> https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >>>> = > >>>> = > >>> > >>>-- = > >>>View this message in context: > >http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp1 > 8262250p18995644.html > >>>Sent from the linuxppc-embedded mailing list archive at Nabble.com. > >>> > >>>_______________________________________________ > >>>Linuxppc-embedded mailing list > >>>Linuxppc-embedded@ozlabs.org > >>>https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >> = > >> = > >> _______________________________________________ > >> Linuxppc-embedded mailing list > >> Linuxppc-embedded@ozlabs.org > >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >> = > >> = > > > >-- = > >View this message in context: = > http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18 > 262250p18997255.html > >Sent from the linuxppc-embedded mailing list archive at Nabble.com. > > > >_______________________________________________ > >Linuxppc-embedded mailing list > >Linuxppc-embedded@ozlabs.org > >https://ozlabs.org/mailman/listinfo/linuxppc-embedded > = > = > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > = > = This email and any attachments are intended for the sole use of the named r= ecipient(s) and contain(s) confidential information that may be proprietary= , privileged or copyrighted under applicable law. If you are not the intend= ed recipient, do not read, copy, or forward this email message or any attac= hments. Delete this email message and any attachments immediately. ^ permalink raw reply [flat|nested] 12+ messages in thread
* RE: Linux issues on Xilinx XUPV2P board 2008-08-15 14:30 ` John Linn @ 2008-08-15 14:36 ` Alan Casey 2008-08-15 14:53 ` John Linn 0 siblings, 1 reply; 12+ messages in thread From: Alan Casey @ 2008-08-15 14:36 UTC (permalink / raw) To: John Linn, wangyanlong, linuxppc-embedded Hi John, Im not having any problems using GIT. I can download 2.6.26 using git no problem - i think wangyanlong would like to use 2.6.24 or 2.6.26 and he has problems downloading it using git - hence i replied to him that he may find more info about how to download the current or previous version on git.xilinx.com. I think you misread my email. The Xilinx Framebuffer driver works fine in Linux 2.6.24 but there appears to be a problem with one of the Linux-2.6.26 versions which i posted about a few weeks/months ago. Alan. >-- Original Message -- >Subject: RE: Linux issues on Xilinx XUPV2P board >Date: Fri, 15 Aug 2008 08:30:25 -0600 >From: John Linn <John.Linn@xilinx.com> >To: <alan.casey5@mail.dcu.ie>, > "wangyanlong" <killyouatonce@gmail.com>, > <linuxppc-embedded@ozlabs.org> > > >Hi Alan, > >I'm assuming you must not have Git installed from the question, >otherwise you would be using git clone as the site shows. > >On the http://git.xilinx.com, it says the following, > >Users without Git installed may create a tar file by using the snapshot >feature. Select the tree view of the repository (far right side) on this= >page, then select snapshot (near the top) and a gziped tar file will be >created and downloaded. > >Is this what you're looking for? > >-- John > >> -----Original Message----- >> From: >> linuxppc-embedded-bounces+john.linn=3Dxilinx.com@ozlabs.org >> [mailto:linuxppc-embedded-bounces+john.linn=3Dxilinx.com@ozlabs. >> org] On Behalf Of Alan Casey >> Sent: Friday, August 15, 2008 6:34 AM >> To: wangyanlong; linuxppc-embedded@ozlabs.org >> Subject: Re: Linux issues on Xilinx XUPV2P board >> >> Hi, >> >> I used version 2.6.24. Current version is 2.6.26+ but im >> not sure how to download previous versions from the git >> tree, there should be some info at http://git.xilinx.com >> about how to do this. >> >> Regards, >> Alan. >> >> >-- Original Message -- >> >Date: Fri, 15 Aug 2008 04:35:01 -0700 (PDT) >> >From: wangyanlong <killyouatonce@gmail.com> >> >To: linuxppc-embedded@ozlabs.org >> >Subject: Re: Linux issues on Xilinx XUPV2P board >> > >> > >> > >> >Hi Alan >> > I dow load the kernel from " >> >http://git.xilinx.com/cgi-bin/gitweb.cgi?p=3Dlinux-2.6-xlnx.git >> ;a=3Dsummary >> " >> > >> >Merge ../../linux-2.6 into 2.6.26-merge master commit | >> commitdiff | tree >> >| snapshot >> > >> >this version ,but it not work well,which version you downloaded? >> > >> >Many thanks >> >yanlong >> > >> > >> >Alan Casey wrote: >> >> >> >> Hi, >> >> >> >> Yes i had a problem with using one of the Linux 2.6.26 >> >> kernel versions on the XUPV2P board where the VGA >> >> display has not driven correctly, not sure why. >> >> The Linux 2.6.24 kernel from git.xilinx.com works fine. >> >> >> >> Regards, >> >> Alan. >> >> >> >> >> >>>-- Original Message -- >> >>>Date: Fri, 15 Aug 2008 01:43:37 -0700 (PDT) >> >>>From: wangyanlong <killyouatonce@gmail.com> >> >>>To: linuxppc-embedded@ozlabs.org >> >>>Subject: Re: Linux issues on Xilinx XUPV2P board >> >>> >> >>> >> >>> >> >>>I meet the problem as yours . And my vga's display is not >> clear , have >> >> you >> >>>meet this? >> >>> >> >>>Alan Casey wrote: >> >>>> >> >>>> Hi, >> >>>> >> >>>> I have tried running the Linux 2.6.24 and Linux 2.6.26 >> kernels from >> >> >> >>> >> >>>> git.xilinx.com on the Xilinx XUPV2P board but have run >> into a few >> >>>> problems. >> >>>> >> >>>> Cross-compiler i use to compile applications was built using >> >>>> Crosstools >> >>>> and >> >>>> based on gcc 3.3.4. I use Xilinx EDK 7.1 for >> integrating hardware >> >>>> peripherals >> >>>> onto the board. >> >>>> >> >>>> The problems i've seen are: >> >>>> >> >>>> (i) gettimeofday software function returns time of 0 >> all the time. >> >>>> >> >>>> (ii) The Linux 2.6.24 kernel's Xilinx Framebuffer >> driver and/or the >> >>>> Xilinx >> >>>> >> >>>> PLB TFT Controller IP block >> (plb_tft_cntlr_ref_v1_00_d) does >> not >> >>>> appear >> >>>> >> >>>> to centre the display on a VGA screen properly(vertically >> >>>> offset). >> >>>> >> >>>> (iii) 64-bit write/read access to peripheral >> integrated onto the >> >>>> Xilinx >> >>>> >> >>>> Virtex-II Pro FPGA either causes a system crash >> or only lower >> >> part >> >>>> >> >>>> of 32-bit data to be written (i.e. lower part of >> 64-bit data >> >>>> appears >> >>>> to be mirrored on the upper and lower 32-bits of >> the system >> >>>> bus). >> >>>> However, 32-bit write/read access to the >> peripheral passes as >> >> well >> >>>> as 64-bit write/read access to the SDRAM memory >> address space. >> >>>> Peripheral interface has been verified to be IBM >> PLB compliant >> >>> >> >>>> via IBM bus functional model simulations. >> >>>> >> >>>> (iv) The Linux 2.6.26 Xilinx Framebuffer driver on >> the Xilinx XUPV2P >> >>>> board >> >>>> >> >>>> does not appear to be working - nothing displayed to >> >>>> screen/console >> >>>> >> >>>> not switching to framebuffer device on bootup. >> >>>> >> >>>> Just wondering if anybody has seen these issues >> before and know how >> >>>to >> >>>> resolve them? >> >>>> >> >>>> Any info. appreciated, >> >>>> Regards, >> >>>> Alan. >> >>>> >> >>>> >> >>>> >> >>>> >> >>>> _______________________________________________ >> >>>> Linuxppc-embedded mailing list >> >>>> Linuxppc-embedded@ozlabs.org >> >>>> https://ozlabs.org/mailman/listinfo/linuxppc-embedded >> >>>> >> >>>> >> >>> >> >>>-- >> >>>View this message in context: >> >http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp1 >> 8262250p18995644.html >> >>>Sent from the linuxppc-embedded mailing list archive at Nabble.com.= >> >>> >> >>>_______________________________________________ >> >>>Linuxppc-embedded mailing list >> >>>Linuxppc-embedded@ozlabs.org >> >>>https://ozlabs.org/mailman/listinfo/linuxppc-embedded >> >> >> >> >> >> _______________________________________________ >> >> Linuxppc-embedded mailing list >> >> Linuxppc-embedded@ozlabs.org >> >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded >> >> >> >> >> > >> >-- >> >View this message in context: >> http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18 >> 262250p18997255.html >> >Sent from the linuxppc-embedded mailing list archive at Nabble.com. >> > >> >_______________________________________________ >> >Linuxppc-embedded mailing list >> >Linuxppc-embedded@ozlabs.org >> >https://ozlabs.org/mailman/listinfo/linuxppc-embedded >> >> >> _______________________________________________ >> Linuxppc-embedded mailing list >> Linuxppc-embedded@ozlabs.org >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded >> >> > >This email and any attachments are intended for the sole use of the name= d >recipient(s) and contain(s) confidential information that may be proprie= tary, >privileged or copyrighted under applicable law. If you are not the inten= ded >recipient, do not read, copy, or forward this email message or any attac= hments. >Delete this email message and any attachments immediately. > > ^ permalink raw reply [flat|nested] 12+ messages in thread
* RE: Linux issues on Xilinx XUPV2P board 2008-08-15 14:36 ` Alan Casey @ 2008-08-15 14:53 ` John Linn 2008-08-15 15:08 ` Jon Loeliger 0 siblings, 1 reply; 12+ messages in thread From: John Linn @ 2008-08-15 14:53 UTC (permalink / raw) To: alan.casey5, wangyanlong, linuxppc-embedded Ah I see, sorry about that, misunderstood what was needed. So there may be other ways as I'm not a Git expert, but I clone the repository, then reset to the a Git tag. > git reset --hard <tag name> We're working on a new frame buffer driver for a new core, but the old frame buffer has not been high priority for us. Thanks, John = > -----Original Message----- > From: Alan Casey [mailto:alan.casey5@mail.dcu.ie] = > Sent: Friday, August 15, 2008 8:36 AM > To: John Linn; wangyanlong; linuxppc-embedded@ozlabs.org > Subject: RE: Linux issues on Xilinx XUPV2P board > = > Hi John, > = > Im not having any problems using GIT. I can download > 2.6.26 using git no problem - i think wangyanlong > would like to use 2.6.24 or 2.6.26 and he has problems > downloading it using git - hence i replied to him that > he may find more info about how to download the current > or previous version on git.xilinx.com. I think you misread > my email. > = > The Xilinx Framebuffer driver works fine in Linux 2.6.24 > but there appears to be a problem with one of the Linux-2.6.26 > versions which i posted about a few weeks/months ago. > = > Alan. > = > >-- Original Message -- > >Subject: RE: Linux issues on Xilinx XUPV2P board > >Date: Fri, 15 Aug 2008 08:30:25 -0600 > >From: John Linn <John.Linn@xilinx.com> > >To: <alan.casey5@mail.dcu.ie>, > > "wangyanlong" <killyouatonce@gmail.com>, > > <linuxppc-embedded@ozlabs.org> > > > > > >Hi Alan, > > > >I'm assuming you must not have Git installed from the question, > >otherwise you would be using git clone as the site shows. > > > >On the http://git.xilinx.com, it says the following, = > > > >Users without Git installed may create a tar file by using = > the snapshot > >feature. Select the tree view of the repository (far right = > side) on this > >page, then select snapshot (near the top) and a gziped tar = > file will be > >created and downloaded. = > > > >Is this what you're looking for? > > > >-- John > > > >> -----Original Message----- > >> From: = > >> linuxppc-embedded-bounces+john.linn=3Dxilinx.com@ozlabs.org = > >> [mailto:linuxppc-embedded-bounces+john.linn=3Dxilinx.com@ozlabs. > >> org] On Behalf Of Alan Casey > >> Sent: Friday, August 15, 2008 6:34 AM > >> To: wangyanlong; linuxppc-embedded@ozlabs.org > >> Subject: Re: Linux issues on Xilinx XUPV2P board > >> = > >> Hi, > >> = > >> I used version 2.6.24. Current version is 2.6.26+ but im > >> not sure how to download previous versions from the git > >> tree, there should be some info at http://git.xilinx.com > >> about how to do this. > >> = > >> Regards, > >> Alan. > >> = > >> >-- Original Message -- > >> >Date: Fri, 15 Aug 2008 04:35:01 -0700 (PDT) > >> >From: wangyanlong <killyouatonce@gmail.com> > >> >To: linuxppc-embedded@ozlabs.org > >> >Subject: Re: Linux issues on Xilinx XUPV2P board > >> > > >> > > >> > > >> >Hi Alan = > >> > I dow load the kernel from " > >> >http://git.xilinx.com/cgi-bin/gitweb.cgi?p=3Dlinux-2.6-xlnx.git > >> ;a=3Dsummary > >> " > >> > > >> >Merge ../../linux-2.6 into 2.6.26-merge master commit | = > >> commitdiff | tree > >> >| snapshot > >> > = > >> >this version ,but it not work well,which version you downloaded? > >> > > >> >Many thanks > >> >yanlong > >> > = > >> > > >> >Alan Casey wrote: > >> >> = > >> >> Hi, > >> >> = > >> >> Yes i had a problem with using one of the Linux 2.6.26 > >> >> kernel versions on the XUPV2P board where the VGA > >> >> display has not driven correctly, not sure why. > >> >> The Linux 2.6.24 kernel from git.xilinx.com works fine. > >> >> = > >> >> Regards, > >> >> Alan. > >> >> = > >> >> = > >> >>>-- Original Message -- > >> >>>Date: Fri, 15 Aug 2008 01:43:37 -0700 (PDT) > >> >>>From: wangyanlong <killyouatonce@gmail.com> > >> >>>To: linuxppc-embedded@ozlabs.org > >> >>>Subject: Re: Linux issues on Xilinx XUPV2P board > >> >>> > >> >>> > >> >>> > >> >>>I meet the problem as yours . And my vga's display is not = > >> clear , have > >> >> you > >> >>>meet this? > >> >>> > >> >>>Alan Casey wrote: > >> >>>> = > >> >>>> Hi, > >> >>>> = > >> >>>> I have tried running the Linux 2.6.24 and Linux 2.6.26 = > >> kernels from > >> >> = > >> >>> = > >> >>>> git.xilinx.com on the Xilinx XUPV2P board but have run = > >> into a few > >> >>>> problems. > >> >>>> = > >> >>>> Cross-compiler i use to compile applications was built using > >> >>>> Crosstools > >> >>>> and > >> >>>> based on gcc 3.3.4. I use Xilinx EDK 7.1 for = > >> integrating hardware > >> >>>> peripherals > >> >>>> onto the board. > >> >>>> = > >> >>>> The problems i've seen are: > >> >>>> = > >> >>>> (i) gettimeofday software function returns time of 0 = > >> all the time. > >> >>>> = > >> >>>> (ii) The Linux 2.6.24 kernel's Xilinx Framebuffer = > >> driver and/or the > >> >>>> Xilinx > >> >>>> > >> >>>> PLB TFT Controller IP block = > >> (plb_tft_cntlr_ref_v1_00_d) does > >> not > >> >>>> appear > >> >>>> = > >> >>>> to centre the display on a VGA screen = > properly(vertically > >> >>>> offset). > >> >>>> = > >> >>>> (iii) 64-bit write/read access to peripheral = > >> integrated onto the > >> >>>> Xilinx > >> >>>> = > >> >>>> Virtex-II Pro FPGA either causes a system crash = > >> or only lower > >> >> part > >> >>>> = > >> >>>> of 32-bit data to be written (i.e. lower part of = > >> 64-bit data > >> >>>> appears > >> >>>> to be mirrored on the upper and lower 32-bits of = > >> the system > >> >>>> bus). > >> >>>> However, 32-bit write/read access to the = > >> peripheral passes as > >> >> well > >> >>>> as 64-bit write/read access to the SDRAM memory = > >> address space. > >> >>>> Peripheral interface has been verified to be IBM = > >> PLB compliant > >> >>> > >> >>>> via IBM bus functional model simulations. = > >> >>>> = > >> >>>> (iv) The Linux 2.6.26 Xilinx Framebuffer driver on = > >> the Xilinx XUPV2P > >> >>>> board > >> >>>> = > >> >>>> does not appear to be working - nothing displayed to > >> >>>> screen/console > >> >>>> > >> >>>> not switching to framebuffer device on bootup. = > >> >>>> = > >> >>>> Just wondering if anybody has seen these issues = > >> before and know how > >> >>>to > >> >>>> resolve them? > >> >>>> = > >> >>>> Any info. appreciated, > >> >>>> Regards, > >> >>>> Alan. > >> >>>> = > >> >>>> = > >> >>>> = > >> >>>> = > >> >>>> _______________________________________________ > >> >>>> Linuxppc-embedded mailing list > >> >>>> Linuxppc-embedded@ozlabs.org > >> >>>> https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >> >>>> = > >> >>>> = > >> >>> > >> >>>-- = > >> >>>View this message in context: > >> >http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp1 > >> 8262250p18995644.html > >> >>>Sent from the linuxppc-embedded mailing list archive at = > Nabble.com. > >> >>> > >> >>>_______________________________________________ > >> >>>Linuxppc-embedded mailing list > >> >>>Linuxppc-embedded@ozlabs.org > >> >>>https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >> >> = > >> >> = > >> >> _______________________________________________ > >> >> Linuxppc-embedded mailing list > >> >> Linuxppc-embedded@ozlabs.org > >> >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >> >> = > >> >> = > >> > > >> >-- = > >> >View this message in context: = > >> http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18 > >> 262250p18997255.html > >> >Sent from the linuxppc-embedded mailing list archive at = > Nabble.com. > >> > > >> >_______________________________________________ > >> >Linuxppc-embedded mailing list > >> >Linuxppc-embedded@ozlabs.org > >> >https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >> = > >> = > >> _______________________________________________ > >> Linuxppc-embedded mailing list > >> Linuxppc-embedded@ozlabs.org > >> https://ozlabs.org/mailman/listinfo/linuxppc-embedded > >> = > >> = > > > >This email and any attachments are intended for the sole use = > of the named > >recipient(s) and contain(s) confidential information that = > may be proprietary, > >privileged or copyrighted under applicable law. If you are = > not the intended > >recipient, do not read, copy, or forward this email message = > or any attachments. > >Delete this email message and any attachments immediately. > > > > > = > = > = > = This email and any attachments are intended for the sole use of the named r= ecipient(s) and contain(s) confidential information that may be proprietary= , privileged or copyrighted under applicable law. If you are not the intend= ed recipient, do not read, copy, or forward this email message or any attac= hments. Delete this email message and any attachments immediately. ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: Linux issues on Xilinx XUPV2P board 2008-08-15 14:53 ` John Linn @ 2008-08-15 15:08 ` Jon Loeliger 0 siblings, 0 replies; 12+ messages in thread From: Jon Loeliger @ 2008-08-15 15:08 UTC (permalink / raw) To: John Linn; +Cc: alan.casey5, wangyanlong, linuxppc-embedded John Linn wrote: > Ah I see, sorry about that, misunderstood what was needed. > > So there may be other ways as I'm not a Git expert, but I clone the > repository, then reset to the a Git tag. > >> git reset --hard <tag name> > > We're working on a new frame buffer driver for a new core, but the old > frame buffer has not been high priority for us. > > Thanks, > John While this "Works" in the sense that it makes your working directory look like the contents of the given tag, you are now using a "detached HEAD" -- ie, no real branch. If you think you will ever want to make a change or check in something, you might be better to create a branch based on the original tag, perhaps something like: $ git checkout -b my-v2.6.24 v2.6.24 HTH, jdl ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: Linux issues on Xilinx XUPV2P board 2008-08-15 12:34 ` Alan Casey 2008-08-15 14:30 ` John Linn @ 2008-08-15 14:31 ` wangyanlong 2008-08-15 14:50 ` Alan Casey 1 sibling, 1 reply; 12+ messages in thread From: wangyanlong @ 2008-08-15 14:31 UTC (permalink / raw) To: linuxppc-embedded Hi v2.6.24 v2.6.24-rc8 v2.6.24-rc7 v2.6.24-rc6 v2.6.24-rc5 v2.6.24-rc4 v2.6.24-rc3 v2.6.24-rc2 many versions, which one ??? Thanks :) v2.6.24-rc1 Hi, I used version 2.6.24. Current version is 2.6.26+ but im not sure how to download previous versions from the git tree, there should be some info at http://git.xilinx.com about how to do this. Regards, Alan. -- View this message in context: http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18262250p18999662.html Sent from the linuxppc-embedded mailing list archive at Nabble.com. ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: Linux issues on Xilinx XUPV2P board 2008-08-15 14:31 ` wangyanlong @ 2008-08-15 14:50 ` Alan Casey 2008-08-31 15:58 ` wangyanlong 0 siblings, 1 reply; 12+ messages in thread From: Alan Casey @ 2008-08-15 14:50 UTC (permalink / raw) To: wangyanlong, linuxppc-embedded Hi, 2.6.24-rc8 was the version i think i used. 2.6.24 should be fine also. Alan. >-- Original Message -- >Date: Fri, 15 Aug 2008 07:31:35 -0700 (PDT) >From: wangyanlong <killyouatonce@gmail.com> >To: linuxppc-embedded@ozlabs.org >Subject: Re: Linux issues on Xilinx XUPV2P board > > > >Hi > v2.6.24 > v2.6.24-rc8 > v2.6.24-rc7 > v2.6.24-rc6 > v2.6.24-rc5 > v2.6.24-rc4 > v2.6.24-rc3 > v2.6.24-rc2 >many versions, which one ??? >Thanks :) > > > > v2.6.24-rc1 > > >Hi, > > I used version 2.6.24. Current version is 2.6.26+ but im > not sure how to download previous versions from the git > tree, there should be some info at http://git.xilinx.com > about how to do this. > > Regards, > Alan. > > >-- >View this message in context: http://www.nabble.com/Linux-issues-on-Xili= nx-XUPV2P-board-tp18262250p18999662.html >Sent from the linuxppc-embedded mailing list archive at Nabble.com. > >_______________________________________________ >Linuxppc-embedded mailing list >Linuxppc-embedded@ozlabs.org >https://ozlabs.org/mailman/listinfo/linuxppc-embedded ^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: Linux issues on Xilinx XUPV2P board 2008-08-15 14:50 ` Alan Casey @ 2008-08-31 15:58 ` wangyanlong 0 siblings, 0 replies; 12+ messages in thread From: wangyanlong @ 2008-08-31 15:58 UTC (permalink / raw) To: linuxppc-embedded Hi For 4 days ,i corrected the ip 's bug . Thanks for your help . The solution is here http://www.openhard.org/myspace/blog/show_155462.html Regards yanlong Alan Casey wrote: > > Hi, > > 2.6.24-rc8 was the version i think i used. > 2.6.24 should be fine also. > > Alan. > >>-- Original Message -- >>Date: Fri, 15 Aug 2008 07:31:35 -0700 (PDT) >>From: wangyanlong <killyouatonce@gmail.com> >>To: linuxppc-embedded@ozlabs.org >>Subject: Re: Linux issues on Xilinx XUPV2P board >> >> >> >>Hi >> v2.6.24 >> v2.6.24-rc8 >> v2.6.24-rc7 >> v2.6.24-rc6 >> v2.6.24-rc5 >> v2.6.24-rc4 >> v2.6.24-rc3 >> v2.6.24-rc2 >>many versions, which one ??? >>Thanks :) >> >> >> >> v2.6.24-rc1 >> >> >>Hi, >> >> I used version 2.6.24. Current version is 2.6.26+ but im >> not sure how to download previous versions from the git >> tree, there should be some info at http://git.xilinx.com >> about how to do this. >> >> Regards, >> Alan. >> >> >>-- >>View this message in context: http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18262250p18999662.html >>Sent from the linuxppc-embedded mailing list archive at Nabble.com. >> >>_______________________________________________ >>Linuxppc-embedded mailing list >>Linuxppc-embedded@ozlabs.org >>https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > > -- View this message in context: http://www.nabble.com/Linux-issues-on-Xilinx-XUPV2P-board-tp18262250p19243481.html Sent from the linuxppc-embedded mailing list archive at Nabble.com. ^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2008-08-31 15:58 UTC | newest] Thread overview: 12+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2008-07-03 15:18 Linux issues on Xilinx XUPV2P board Alan Casey 2008-08-15 8:43 ` wangyanlong 2008-08-15 9:59 ` Alan Casey 2008-08-15 11:35 ` wangyanlong 2008-08-15 12:34 ` Alan Casey 2008-08-15 14:30 ` John Linn 2008-08-15 14:36 ` Alan Casey 2008-08-15 14:53 ` John Linn 2008-08-15 15:08 ` Jon Loeliger 2008-08-15 14:31 ` wangyanlong 2008-08-15 14:50 ` Alan Casey 2008-08-31 15:58 ` wangyanlong
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