(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Thu, 7 May 2009 13:29:41 GMT bugzilla-daemon at bugzilla.kernel.org wrote: > http://bugzilla.kernel.org/show_bug.cgi?id=13265 > > Summary: Crashdump feature totally broken with > CONFIG_KEXEC_JUMP > Product: Platform Specific/Hardware > Version: 2.5 > Kernel Version: 2.6.30rc4 > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: i386 > AssignedTo: platform_i386 at kernel-bugs.osdl.org > ReportedBy: tstarling at wikimedia.org > Regression: No > > > I loaded a crash kernel into a freshly-built 2.6.30rc4 instance using the > Ubuntu scripts, and then triggered a crash with echo c > /proc/sysrq-trigger. > The result was a kernel oops due to a null pointer deference in > machine_kexec_32.c around line 197: > > #ifdef CONFIG_KEXEC_JUMP > if (kexec_image->preserve_context) > > kexec_image is NULL in this situation because kexec_crash_image (a.k.a. the > image parameter) is meant to be used instead. I tracked down the commit for > you: > > <http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=3122c331190e9d1622bf1c8cf6ce3b17cca67c9e> > > Presumably the feature has been broken since that time. >
