Hi Pavel, On Tue, Aug 25, 2015 at 3:12 PM, Pavel Machek <pa...@denx.de> wrote: > On Tue 2015-08-25 10:25:35, Bin Meng wrote: >> Hi, >> >> With latest u-boot/master, TFTP is seriously broken. > > Sorry about that. > >> => tftp 100000 bzImage >> Speed: 100, full duplex >> Using pch_gbe device >> TFTP from server 10.10.0.8; our IP address is 10.10.0.100; sending >> through gateway 10.10.0.1 >> Filename 'bzImage'. >> Load address: 0x100000 >> Loading: T >> TFTP error: 'Unsupported option(s) requested' (8) >> Starting again >> >> git bisect shows the following commit broke the TFTP > > I was not intentionally changing the packets being sent. > > Could you try to capture tcpdump, including contents of packet, > ideally in both working and broken sessions? >
Yep, I will do that. I also tested a tftpd Windows server (http://tftpd32.jounin.net) and it looks that this Windows server is immune to this commit. > Could you try setting > > -#define TIMEOUT 5000UL > +#define TIMEOUT 100UL > > in net/tftp.c to something like 1000UL? > Could you please elaborate more on what this commit is trying to fix, or improve? From the commit message, I don't quite understand "With 5 seconds timeout, 10 retries maximum, tftp is impossible even on local network with single full-speed TCP connection". Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
