diff options
Diffstat (limited to 'share/man')
| -rw-r--r-- | share/man/man4/gdb.4 | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/share/man/man4/gdb.4 b/share/man/man4/gdb.4 index 0e7db6d..855f25e 100644 --- a/share/man/man4/gdb.4 +++ b/share/man/man4/gdb.4 @@ -525,12 +525,19 @@ Print the system message buffer. This corresponds to the .Xr dmesg 8 utility. +This macro used to be called +.Ic msgbuf . It can take a very long time over a serial line, and it is even slower via firewire or local memory due to inefficiencies in .Nm . -This macro used to be called -.Ic msgbuf . +When debugging a crash dump or over firewire, it is not necessary to start +.Nm +to access the message buffer: instead, use an appropriate variation of +.Bd -literal -offset indent +dmesg -M /var/crash/vmcore.0 -N kernel.debug +dmesg -M /dev/fwmem0.0 -N kernel.debug +.Ed .It Ic kldstat Equivalent of the .Xr kldstat 8 @@ -541,7 +548,16 @@ Print the command name of the current process. Show process status. This corresponds in concept, but not in appearance, to the .Xr ps 1 -utility. +utility. +When debugging a crash dump or over firewire, it is not necessary to start +.Nm +to display the +.Xr ps 1 +output: instead, use an appropriate variation of +.Bd -literal -offset indent +ps -M /var/crash/vmcore.0 -N kernel.debug +ps -M /dev/fwmem0.0 -N kernel.debug +.Ed .It Ic y Kludge for writing macros. When writing macros, it is convenient to paste them @@ -564,13 +580,15 @@ message to remind you to remove it again. This man page was written by .An "Greg Lehey" Aq grog@FreeBSD.org . .Sh SEE ALSO -.Xr gdb 1 , +.Xr dconschat 8 , .Xr ddb 4 , +.Xr dmesg 8 , .Xr firewire 4 , -.Xr vinumdebug 4 , -.Xr dconschat 8 , .Xr fwcontrol 8 , -.Xr kldload 8 +.Xr gdb 1 , +.Xr kldload 8 , +.Xr ps 1 , +.Xr vinumdebug 4 . .Sh BUGS The .Xr gdb 1 |
