[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] What is the current state of Dom0 kernel support? / crash
On Thu, Jul 30, 2009 at 11:48:00AM +0300, Pasi Kärkkäinen wrote: > On Wed, Jul 29, 2009 at 01:48:05PM -0700, Jeremy Fitzhardinge wrote: > > >>>>> The stack backtrace is a bit fuzzy; do you have CONFIG_FRAMEPOINTER > > >>>>> enabled? > > >>>>> And if you have CONFIG_DEBUGINFO enabled, you can map the eip > > >>>>> c058cdcb > > >>>>> to a specific source line (its not clear to me which pointer is NULL). > > >>>>> > > >>>>> > > >>>>> > > >>>> [root@dom0test linux-2.6-xen]# grep -i CONFIG_FRAMEPOINTER .config > > >>>> [root@dom0test linux-2.6-xen]# grep -i CONFIG_DEBUGINFO .config > > >>>> [root@dom0test linux-2.6-xen]# > > >>>> > > >>>> Unfortunately those were not enabled.. I'll build a new kernel with > > >>>> CONFIG_DEBUGINFO enabled. > > >>>> > > >>>> > > >>>> > > >>> Actually CONFIG_DEBUG_INFO was enabled, if you meant that? > > >>> > > >>> > > >> Yes, that's it. > > >> > > >>> (gdb) x/i 0xc058cdcb > > >>> > > >>> > > >> Try "list *0xc058cdcb". > > >> > > >> > > > > > > (gdb) list *0xc058cdcb > > > 0xc058cdcb is in active_evtchns (drivers/xen/events.c:237). > > > 232 > > > 233 static inline unsigned long active_evtchns(unsigned int cpu, > > > 234 struct shared_info *sh, > > > 235 unsigned int idx) > > > 236 { > > > 237 return (sh->evtchn_pending[idx] & > > > 238 cpu_evtchn_mask(cpu)[idx] & > > > 239 ~sh->evtchn_mask[idx]); > > > 240 } > > > 241 > > > (gdb) > > > > > > > > > -- Pasi > > > > > > > > > > Does this help? > > > > I'll try it later today. > I did "git pull" to get the latest 2.6.31-rc4 tree, and the patch fails to apply.. [root@dom0test linux-2.6-xen]# git pull [root@dom0test linux-2.6-xen]# git reset --hard HEAD is now at ef843c1 Merge commit 'v2.6.31-rc4' into rebase/master [root@dom0test linux-2.6-xen]# patch -p1 < xen-pvops-dom0-use-proper-percpu-variable-for-cpu_evtchan_mask.patch patching file drivers/xen/events.c Hunk #1 FAILED at 93. Hunk #2 succeeded at 232 (offset 12 lines). Hunk #4 succeeded at 262 (offset 12 lines). Hunk #5 FAILED at 935. 2 out of 5 hunks FAILED -- saving rejects to file drivers/xen/events.c.rej Looking at the patch and comparing to my drivers/xen/events.c it seems not the same version.. -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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