Could you possibly fix your mailer? I can't really figure out what's your part of reply, what's the original message etc? Thanks
Dne Po 13. září 2010 13:13:49 StephenPaulraj Chinnadurai-ERS,HCLTech napsal(a): > -----Original Message----- > From: Wolfgang Denk [mailto:w...@denx.de] > Sent: Thursday, September 02, 2010 1:51 PM > To: StephenPaulraj Chinnadurai-ERS,HCLTech > Cc: Marek Vasut; u-boot@lists.denx.de > Subject: Re: [U-Boot] TFTP load for file over 50MB fails > > Dear "StephenPaulraj Chinnadurai-ERS,HCLTech", > > In message <ec921d4b77c99b4eb3cedaffcf17d5f73dded37...@chn-hclt- EVS07.HCLT.CORP.HCL.IN> you wrote: > > 1. When the board is connected to network, through tftp the u-boot > > is downloading only 9 MB size file. When tried to download 10 MB size > > file, the u-boot is displaying "Retry count exceeded; starting again" > > message and the file download is not getting completed. > > Sounds like a instability of your hardware and/or U-Boot support for > this board and/or platform. > > > 2. When the board is connected to Linux machine directly using > > cross cable, through tftp the u-boot is downloading 47 MB size file > > without any retry, but when tried to download 53 MB size file, the > > u-boot is displaying "Retry count exceeded; starting again" message > > and download is not getting completed. > > Are you aware of the restrictions of the TFTP protocol? In standard > configuration, you can only load up to 32767 blocks of 512 bytes, > i. e. not quite 16 MiB of data. > > Most curent implementations treat the block number as unsigned, which > shifts the limit to 32 MiB. > > And if your TFTP server supports it you can also increase the block > size. > > Which exact settings are you using? > > Previously the TFTP_MTU_BLOCKSIZE macro is assigned with the value 1468. > > Now I changed the value of the TFTP_MTU_BLOCKSIZE macro to 512 in > net/tftp.c file. #define TFTP_MTU_BLOCKSIZE 512 > > I installed tftp server in the windows XP PC and connect my hardware to the > window XP PC through cross Ethernet cable. Now I can able to download > files which are more than 50MB size. > > But I can't download the files of 50MB size from the Linux PC with the same > u-boot.bin image. > > Whether I need to upgrade the tftp server running in the Linux PC? > > Best regards, > > Wolfgang Denk _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
