2009/12/14 Jason Wessel <[email protected]>: > Jiaqing Du wrote: >> Hi List, >> >> I am trying to use kgdb to debug some kernel modules (mainly for >> oprofile and kvm). I had some weird problems. For example, break >> points do not work and the target kernel hangs on a breakpoint to a >> interrupt handler. Then I compiled the kernel with kgdbts. At least >> for stable release of 2.6.31.7, it did not pass the testing (with >> kgdbts=V2). I'm wondering if every stable release really passes the >> kgdbts testing? Or I'm doing something wrong? >> >> > > > There was some instability in kgdb with respect to the x86 architecture > and single stepping on a multi-cpu system. These fixes were merged to > the 2.6.33 development stream last week. Of course in the 2.6.33 > kernel the HW breakpoints are presently broken. > > I had not yet made a set of patches for the 2.6.32 kernel, but the > 2.6.33 patch set would certainly apply cleanly. > > If you are using kvm, I would recommend not using kgdb, and instead > using the kvm backend debugger.
What is the kvm backend debugger? After searching KVM mailing list, I could not find anything. > > Jason. > > Jiaqing ------------------------------------------------------------------------------ Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev _______________________________________________ Kgdb-bugreport mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kgdb-bugreport
