[Xen-devel] Re: mini-os: more bugs (was: mini-os: gnttab.c does not comp
Thanks for your response.
Grzegorz Milos schrieb:
I switched to xen-3.0.2 for now. The mini-os here does compile, but it
has some bugs too: Exception handling does not display the correct
registers and gets into an endless loop. I have developed a patch to fix
these issues. I suppose it would be best if I "forward-ported" this
patch to xen-unstable and submit it to you?
Thanks for the reports guys.
I'm very busy for the next 2 days, but I will have a look afterwards.
My guess is that public xen interfaces changed, which causes our grant
table implementation to fail to compile.
If you remove gnttab.c (together with the init call from kernel.c)
then Mini-OS should work just fine.
Another issue I found is that mini-os blocks its VM when idle (I posted
a question about this a few weeks ago, but didn't get any response): Xen
signals timer events to mini-os, but because mini-os is blocked most of
the time, it misses roughly 99% of those. That is why the periodic
output of the current time that mini-os is supposed to display does not
show (actually it would if one were patient enough to wait for a few
hours or even days..). This could be fixed easily by removing the
sorry to bother you with this: while trying to compile mini-os from
xen-unstable.hg, I noticed that compilation failed like this:
gcc -fno-builtin -Wall -Werror -Wredundant-decls -Wno-format
-Wstrict-prototypes -Wnested-externs -Wpointer-arith -Winline -m32
-march=i686 -g -Iinclude -Iinclude/x86 -Iinclude/x86/x86_32 -c
gnttab.c: In Funktion »init_gnttab«:
gnttab.c:165: error: request for member `p' in something not a
make: *** [gnttab.o] Error 1
Looking at the source code, I'm not surprised that this happens, and
that the file of the same name (gnttab.c) found in
linux-2.6-xen-sparse/drivers/xen/core will also fail to compile
have not checked this).
It seems that the grant-table functions are currently in a
state and that mini-os does not use these functions anyway (except
for a call
to the init function): After commenting out this call, I was able to
the mini-os binary.
Is there a particular reason for this? Can I expect the mini-os to
Xen-devel mailing list