On Mon, 20 Feb 2012 20:37:39 -0500 Richard Yao <r...@cs.stonybrook.edu> wrote:
> Ryan, > > I took a look at the problem cited in your bug report. I suggest > compiling sys-boot/grub with CFLAGS="-O0 -ggdb3", attaching gdb to > grub-install and then watching what happens in the debugger. If you > compare runs with a GCC 4.5.3 built stage2 and a GCC 4.6.2 built > stage2, you should be able to find the bug. Sorry, the bug report is confusing. It's actually two bugs, the first being a miscompiled stage2 causing an error when running grub-install and making the system unbootable. I fixed that back in Sept. The second bug is a continuous boot loop that only seems to manifest on certain machines or configurations. This is the one I'm having trouble with. I should have opened a new report for it, but at the time I thought it was due to fallout from the first patch. The biggest problem is that I can't reproduce it on either of my systems, so I have no way of narrowing it down. FWIW, I did a comparison of /boot/grub/* from a broken system and my own and they are byte-for-byte identical. -- fonts, gcc-porting toolchain, wxwidgets @ gentoo.org
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