diff options
Diffstat (limited to 'microkernel/mach/gnumach/debugging.mdwn')
| -rw-r--r-- | microkernel/mach/gnumach/debugging.mdwn | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/microkernel/mach/gnumach/debugging.mdwn b/microkernel/mach/gnumach/debugging.mdwn index 7e7cfb4e..cf02471d 100644 --- a/microkernel/mach/gnumach/debugging.mdwn +++ b/microkernel/mach/gnumach/debugging.mdwn @@ -1,5 +1,5 @@ -[[!meta copyright="Copyright © 2007, 2008, 2009, 2011, 2012, 2013 Free Software -Foundation, Inc."]] +[[!meta copyright="Copyright © 2007, 2008, 2009, 2011, 2012, 2013, 2014 Free +Software Foundation, Inc."]] [[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable id="license" text="Permission is granted to copy, distribute and/or modify this @@ -135,7 +135,7 @@ update its display buffer anymore under certain conditions. # Halting the CPU and Examining Registers -IRC, freenode, #hurd, 2011-07-14: +## IRC, freenode, #hurd, 2011-07-14 <braunr> one ugly trick i use when printf isn't available is to halt the cpu @@ -146,7 +146,22 @@ IRC, freenode, #hurd, 2011-07-14: # Serial Console -IRC, freenode, #hurd, 2011-11-13: +## IRC, freenode, #hurd, 2011-11-13 <youpi> use console=com0 <youpi> to activate the console on the first serial port + + +# `ud2` instruction + +## IRC, freenode, #hurd, 2013-10-31 + + [master-x86_64] + <phcoder> GNU Mach 1.3.99 + <phcoder> Running on xen-3.0-x86_64. + <phcoder> AT386 boot: physical memory from 0x0 to 0x40000000 + <youpi> \o/ + <phcoder> well when loaded through pvgrub2 i hangs without any message + <phcoder> any pointers on debugging? + <youpi> I usually put the ud2 instruction along the path to see where it + crashes |