X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=doc%2Fdebug.texi;h=958e51b3bafcb2e3288ed28aa58ed4605ddfe4da;hb=13bc50213bc87981f67ceabd7a623e05917fd09d;hp=1aea23874c1715814663aabe1e28b99b1a8b641b;hpb=51878ce2ad4922e38f3e3c84a2108e18ec9e5517;p=pintos-anon

diff --git a/doc/debug.texi b/doc/debug.texi
index 1aea238..958e51b 100644
--- a/doc/debug.texi
+++ b/doc/debug.texi
@@ -21,13 +21,12 @@ introduces you to a few of them.
 Don't underestimate the value of @func{printf}.  The way
 @func{printf} is implemented in Pintos, you can call it from
 practically anywhere in the kernel, whether it's in a kernel thread or
-an interrupt handler, almost regardless of what locks are held (but see
-@ref{printf Reboots} for a counterexample).
+an interrupt handler, almost regardless of what locks are held.
 
 @func{printf} is useful for more than just examining data.
 It can also help figure out when and where something goes wrong, even
 when the kernel crashes or panics without a useful error message.  The
-strategy is to sprinkle calls to @func{print} with different strings
+strategy is to sprinkle calls to @func{printf} with different strings
 (e.g.@: @code{"<1>"}, @code{"<2>"}, @dots{}) throughout the pieces of
 code you suspect are failing.  If you don't even see @code{<1>} printed,
 then something bad happened before that point, if you see @code{<1>}
@@ -444,6 +443,10 @@ in your kernel, because your kernel should never crash.  Starting with
 Project 3, the situation will change if you use @func{get_user} and
 @func{put_user} strategy to verify user memory accesses
 (@pxref{Accessing User Memory}).
+
+If you don't want GDB to stop for page faults, then issue the command
+@code{handle SIGSEGV nostop}.  GDB will still print a message for
+every page fault, but it will not come back to a command prompt.
 @end deffn
 
 @node Example GDB Session