That may be the same thing that's happening with Ali's branch
predictor patch. With Ruby execution changes enough to hit one of the
broken squashing cases. The Ruby integration is probably working.
Gabe
Quoting Nilay Vaish <[email protected]>:
On Mon, 28 Nov 2011, Gabe Black wrote:
More or less. It's working enough to run the regression, but Ali's
branch predictor patch exposes a bug in how O3 handles squashes in the
middle of particular macroops. It will probably work for you at least up
to the point where user mode stuff starts running, and for our boot
regression test is most of the way.
Gabe
On 11/28/11 11:49, Nilay Vaish wrote:
Hi Gabe,
Is the work on x86 O3 FS simulation complete? I am thinking of testing
it with Ruby.
Thanks
Nilay
Gabe, when I boot FS with O3 CPU and Ruby, I get the following
output on the terminal of the simulated system.
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
VFS: Mounted root (ext2 filesystem).
Freeing unused kernel memory: 232k freed
init[1]: segfault at ffffffff802095c0 rip ffffffff802095c8 rsp
00007fff38fa81b8 error 15
init[1]: segfault at ffffffff802095c0 rip ffffffff802095c8 rsp
00007fff38fa81b8 error 15
The segfault message keeps appearing. Do you know why this might be
happening?
Thanks
Nilay
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