On 10/6/21 09:58, Heinrich Schuchardt wrote:
On 10/5/21 17:30, Andreas Schwab wrote:
On Okt 05 2021, Heinrich Schuchardt wrote:
Before the 'boot' command the communication via TFTP seems to work fine.
The init command can identify which file exists on the TFTP server.
The boot command calls ShutDown() and Stop() on the SNP protocol and
closes it. And then tries to open it again for the LOAD_FILE2 protocol.
The question remains why the protocol cannot be reopened. It is unclear
if this is a GRUB or a U-Boot issue.
The strange thing is that the first two packets+ACK still get through.
Maybe related to the size of the following DATA packet?
When the initrd command is issued it checks that the file exists. It is
after the boot command that things run awry.
There are multiple bugs in efinet.c. I am working on a patch.
Andreas has confirmed in
https://lists.gnu.org/archive/html/grub-devel/2021-10/msg00035.html
that [PATCH 0/2] efinet: correct closing of SNP protocol
https://lists.gnu.org/archive/html/grub-devel/2021-10/msg00028.html
solves the issued.
Best regards
Heinrich
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