Re: [parisc-linux] Back to evms-1.0.1 && unaligne access && gdb

[Carlos O'Donell <carlos@baldric.uwo.ca>]

Joel,

> I need to go back to kernel 2.4.18-pa61 and evms-1.0.1 (see problem in ml:
> http://lists.parisc-linux.org/pipermail/parisc-linux/2002-August/017368.html
> with last 1.1.0 evsm release)

Why do you need to regress versions?
 
> Kernel build and operate correctly. I so recompile tools with -ggdb gcc
> option. Then I use ddd to try to debug problem.

What did you recompile with "-g"?

> So I first run without break and got from console:
> evms_vgscan(7998): unaligned access to 0x0002aaae at ip=0x4020a0e3

The unaligned handler took care of it, everything should still
be okay.

> Accepted but when 'continue' is launch:
> warning: Cannot insert breakpoint 2:
> Cannot access memory at address 0x4020a0e3
> What do I wrong or what should I better do?

AFAIK we are using software breakpoints in gdb, which means that
at certain times we _can't_ insert a breakpoint. 

I'm still unclear about the issues here. What's wrong with evms?
It dies from a SIGBUS (unaligned handler failed)? SIGSEGV? 
Operates incorrectly?

c.