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[microblaze-uclinux] Re: [microblaze-uclinux] UDP packet reception triggers a hangup on the microblaze
Hi Bas,
Disable uClibc, uclibc is in toolchain
Regards,
Michal
> ----------------------------------------
> The problem I'm getting by building the latest svn tree (r4917,
> clean checkout) is a compilation error in one of the files in ucLibc
> The error reproduces by selecting the Xilinx and ML506, uClibc
> together with the default config files. (that why the cpu version is
> 6.00.b)
>
> Is there any easy way to solve this?
>
> greetings
> Bas
>
> microblaze-uclinux-gcc -Wall -Wstrict-prototypes -Wno-trigraphs
> -fno-strict-aliasing -Os -funit-at-a-time -mno-xl-soft-mul
> -mno-xl-soft-div -mxl-barrel-shift -mcpu=v6.00.b -O2 -g
> -fomit-frame-pointer -pipe -fno-common -fno-builtin -Wall
> -mno-xl-soft-mul -mno-xl-soft-div -mxl-barrel-shift -mcpu=v6.00.b
> -DEMBED -fno-builtin -nostdinc -D_LIBC -I../../include -I. -isystem
> /home/bas.van.tiel/petalinux-svn/tools/linux-i386/microblaze-uclinux-tools/bin/../lib/gcc/microblaze-uclinux/3.4.1/include
> -DNDEBUG -c ether_addr.c -o ether_addr.o
> In file included from ../../include/linux/posix_types.h:47,
> from ../../include/linux/types.h:14,
> from ../../include/linux/if_ether.h:24,
> from ../../include/netinet/if_ether.h:26,
> from ../../include/netinet/ether.h:26,
> from ether_addr.c:32:
> ../../include/asm/posix_types.h:18: error: redefinition of typedef
> '__kernel_ino_t'
> ../../include/bits/kernel_types.h:20: error: previous declaration of
> '__kernel_ino_t' was here
> ../../include/asm/posix_types.h:19: error: redefinition of typedef
> '__kernel_mode_t'
> ../../include/bits/kernel_types.h:22: error: previous declaration of
> '__kernel_mode_t' was here
> ../../include/asm/posix_types.h:20: error: redefinition of typedef
> '__kernel_nlink_t'
> ../../include/bits/kernel_types.h:23: error: previous declaration of
> '__kernel_nlink_t' was here
> ../../include/asm/posix_types.h:21: error: redefinition of typedef
> '__kernel_off_t'
> ../../include/bits/kernel_types.h:24: error: previous declaration of
> '__kernel_off_t' was here
>
>
>
> On Wed, Nov 26, 2008 at 5:01 PM, Michal Simek <monstr@xxxxxxxxx> wrote:
> > Hi Bas,
> >
> > I look at your app.
> > 1. you should use user-apps folder for microblaze apps and changed prepare
> > Makefile. I believe that is not so hard to change it. (petalinux-new-app)
> > 2. I am missing any readme how to run it. Please add it to that folder and
> pack
> > and resend.
> >
> > Thanks,
> > Michal
> >
> >
> >> OK,
> >>
> >> I will try tomorrow with the latest changes from svn.
> >>
> >> the test program is also attached....
> >>
> >> thx, for the quick responses..
> >>
> >> Bas
> >>
> >> On Wed, Nov 26, 2008 at 10:21 AM, Michal Simek <monstr@xxxxxxxxx> wrote:
> >>> Hi All,
> >>>
> >>> this changes is in latest entry.S too.
> >>>
> >>> Thanks,
> >>> Michal
> >>>
> >>>
> >>>> Hi,
> >>>> We used to have the same problem, although we don't use xemac. Without
> >>>> going into possibly misleading details, we noticed a one-line difference
> >>>> between our entry.S and the one in the Petalogix tree. After making the
> >>>> change we've been able to run a simple script that continuously sends
> >>>> packets to the board for several days without crashing. Running the same
> >>>> script before the change, the system would freeze in seconds. I hope
> >>>> this helps, here's an attachment just in case.
> >>>>
> >>>> Location -
> >>>> petalinux/software/linux-2.6.x-petalogix/arch/microblaze/kernel/entry.S
> >>>>
> >>>>
> >>>> -----Original Message-----
> >>>> From: Bas van Tiel <bvantiel@xxxxxxxxx>
> >>>> To: microblaze-uclinux@xxxxxxxxxxxxxx
> >>>> Sent: Tue, 25 Nov 2008 15:10
> >>>> Subject: [microblaze-uclinux] UDP packet reception triggers a hangup on
> >>>> the microblaze
> >>>>
> >>>> Hello All,
> >>>>
> >>>>
> >>>>
> >>>> when I transmit a continously stream of UDP packets to the microblaze
> >>>>
> >>>> a hangup is triggered, I have the following configuration:
> >>>>
> >>>>
> >>>>
> >>>> - petalinux-v0.30-rc1 software
> >>>>
> >>>> - xemac linux driver in PIO mode
> >>>>
> >>>> - xemac IP block which is connected via a PLB <-> OPB bridge to the
> >>>>
> >>>> ublaze. (the xemac is configured with "No DMA" and IPIF
> >>>>
> >>>> (recieve/transmit buffers) are set to 32768 bytes and FIFO depth of
> >>>>
> >>>> 16.)
> >>>>
> >>>> - EDK 9.2.02. with the patch (AR30051) from Xilinx for the microblaze
> v7.00.b.
> >>>>
> >>>> - 2 uarts, one for kernel console, other one for shell access.
> >>>>
> >>>> - ML506 Evalutation platform
> >>>>
> >>>>
> >>>>
> >>>> I tried to capture the packets via AF_PACKET and AF_INET, both methods
> >>>>
> >>>> gave the same result -> a kind of hangup of the microblaze:
> >>>>
> >>>>
> >>>>
> >>>> symptoms:
> >>>>
> >>>> 1) no serial input is taken from both terminals
> >>>>
> >>>> 2) a ping to the microblaze doesn't send a reply packet back.
> >>>>
> >>>>
> >>>>
> >>>> Has anybody seen this behavior before with the xemac connected via the
> >>>>
> >>>> OPB (PLB<->OPB) to the PLB bus, or is this setup with a bridge in
> >>>>
> >>>> between
> >>>>
> >>>> asking for trouble and should I look for an alternative?
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> Best regards,
> >>>>
> >>>> Bas
> >>>>
> >>>>
> >>>>
> >>>> --- some additional info
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> Linux tmb 2.6.20-uc0 #1 Tue Nov 25 14:27:21 CET 2008 microblaze
> >>>>
> >>>>
> >>>>
> >>>> CPU-Family: MicroBlaze
> >>>>
> >>>> FPGA-Arch: virtex5
> >>>>
> >>>> CPU-Ver: Unknown
> >>>>
> >>>> CPU-MHz: 125.00
> >>>>
> >>>> BogoMips: 62.05
> >>>>
> >>>> HW-Div: yes
> >>>>
> >>>> HW-Shift: yes
> >>>>
> >>>> Icache: 8kB
> >>>>
> >>>> Dcache: 8kB
> >>>>
> >>>> HW-Debug: yes
> >>>>
> >>>>
> >>>>
> >>>> PID PORT STAT SIZE SHARED %CPU COMMAND
> >>>>
> >>>> 1 S 135K 0K 0.0 /bin/init
> >>>>
> >>>> 2 R 0K 0K 0.0 ksoftirqd/0
> >>>>
> >>>> 3 S 0K 0K 0.0 events/0
> >>>>
> >>>> 4 S 0K 0K 0.0 khelper
> >>>>
> >>>> 5 S 0K 0K 0.0 kthread
> >>>>
> >>>> 6 S 0K 0K 0.0 kblockd/0
> >>>>
> >>>> 7 S 0K 0K 0.0 pdflush
> >>>>
> >>>> 8 S 0K 0K 0.0 pdflush
> >>>>
> >>>> 9 S 0K 0K 0.0 kswapd0
> >>>>
> >>>> 10 S 0K 0K 0.0 aio/0
> >>>>
> >>>> 11 S 0K 0K 0.0 mtdblockd
> >>>>
> >>>> 24 S 0K 0K 0.0 jffs2_gcd_mtd4
> >>>>
> >>>> 40 S0 S 656K 0K 0.0 /bin/sh
> >>>>
> >>>> 41 S0 S 643K 0K 0.0 /bin/sh --
> >>>>
> >>>> 42 S 67K 0K 0.0 /bin/inetd
> >>>>
> >>>> 55 S0 R 68K 0K 0.0 ps
> >>>>
> >>>>
> >>>>
> >>>> pseudo code:
> >>>>
> >>>>
> >>>>
> >>>> ethernet mac is running at 100 BaseTX-FD
> >>>>
> >>>>
> >>>>
> >>>> sender: (host PC)
> >>>>
> >>>> sd_ = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
> >>>>
> >>>> sendto(sd_, buf, BUFLEN, 0, (struct sockaddr*)&sa_,
> (socklen_t)sizeof(sa_));
> >>>>
> >>>>
> >>>>
> >>>> receiver (Microblaze)
> >>>>
> >>>> sd_ = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
> >>>>
> >>>> bind(sd_, (struct sockaddr*)&sa, sizeof(sa))
> >>>>
> >>>> if (!select(sd_+1, &rfds, 0, 0, &timeout)) { break; }
> >>>>
> >>>> size = recv(sd_, buf, BUFLEN, 0);
> >>>>
> >>>> ___________________________
> >>>>
> >>>> microblaze-uclinux mailing list
> >>>>
> >>>> microblaze-uclinux@xxxxxxxxxxxxxx
> <mailto:microblaze-uclinux@xxxxxxxxxxxxxx>
> >>>>
> >>>> Project Home Page : http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux
> <http://www.itee.uq.edu.au/%7Ejwilliams/mblaze-uclinux>
> >>>>
> >>>> Mailing List Archive :
> http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/
> <http://www.itee.uq.edu.au/%7Elistarch/microblaze-uclinux/>
> >>>>
> >>>>
> >>>>
> >>>> ------------------------------------------------------------------------
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> >>> microblaze-uclinux@xxxxxxxxxxxxxx
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> >>> Mailing List Archive :
> http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/
> >>>
> >>>
> > ___________________________
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> > microblaze-uclinux@xxxxxxxxxxxxxx
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> > Mailing List Archive :
> http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/
> >
> >
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>
>
>
>
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