Eric Lacombe wrote:
Hi,
I reviewed my code (modify some things and add missing features) and made more
tests, but I'm stuck with the same problem.
Nonetheless, all the tests I've done seem to freeze my machine when files are
used.
When I try the commands "echo", "pwd" in the console (X is not started), the
machine behaves nicely. When I try completion (with double-tab) on a command,
it also works. But, when I try for instance "more help.c", the machine
freezes, likewise when I try "more hel"+double-tab.
echo and pwd are part of bash, so they are probably in memory. I guess
once you go to disk things fail.
Try to boot the entire OS from initramfs (and keep it there).
I really would appreciate some help on this.
This is much to complicated for drive-by debugging.
Please, could you tell me what I could check (because I already checked a lot
of things and can't figure out what happens)? I would also give you all the
information you need.
(Recall: When loaded, my module use VT-x to go on vmx root operation, then it
creates a vmcs in order to execute the OS inside a VM.)
I imagine you have interrupts working properly? Does 'watch -d cat
/proc/interrupts' give the expected results (run it before you enter vmx
to load it into cache)?
Are you virtualizing memory, or does the guest manipulate page tables
directly?
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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