I have been using diskless mythbuntu (based on ltsp) for several
years. After upgrading from Ubuntu 11.04 -> 11.10, nbd mounting has
stopped working from the front ends.
The nbd version is 2.9.23
The kernel version is 3.0.0
In /var/log/syslog on the server I get the error "nbd0: Wrong magic
(0x25609513)".
nbd-server is configured to use inetd using port 2000.
I have also tried stopping inetd and manually running nbd on the
local server using the commands
nbd-server -d 2000 /opt/ltsp/images/i386.img
and
nbd-client localhost 2000 /dev/nbd0
This results in the same error.
I have tried turning on debugflags=0xfff in the nbd kernel module and
building nbd-server with additional tracing but am having trouble
solving the issue.
grepping the source code 0x25609513 appears to be the correct magic
number
#define NBD_REQUEST_MAGIC 0x25609513, so I'm not sure what going on.
Perhaps an introduced endianess issue?
It is not clear to me if this is a kernel module issue or a nbd
package issue.
If there is any additional information I can supply, please let me know
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