On Sun, Jul 11, 2010 at 4:48 PM, Luming Yu <luming.yu@xxxxxxxxx> wrote: > On Sat, Jul 10, 2010 at 6:46 AM, Tony Luck <tony.luck@xxxxxxxxx> wrote: >> On Sat, Jul 3, 2010 at 8:31 PM, Luming Yu <luming.yu@xxxxxxxxx> wrote: >>> Sorry for the inconvenience. Need to git diff HEAD instead of just git diff >>> An update patch has been enclosed in attachment of the reply. >> >> That's better. All the pieces seem to be there. >> >> Which CONFIG options did you turn on for your testing. My first build >> without changing any options failed in irq_ia64.c ... it needs: >> >> +#ifdef CONFIG_TRACE_IRQFLAGS >> if(!current->hardirq_context) >> trace_hardirqs_on_delayed(); >> +#endif > > Yes, reproduced and fixed. > >> >> to avoid a complaint about hardirq_context. >> >> Next I turned on some lockdep options under the "Kernel Hacking" >> menu. But probably not the same set that you used for you test. >> My kernel crashed during boot with: > > I always use a kernel config derived from one shipped with RHEL 5.x distro. > so many code path has not been tested yet.. > > I'm trying to reproduce with generic_defconfig in upstream... > >> >> PID hash table entries: 4096 (order: -1, 32768 bytes) >> Placing 64MB software IO TLB between e000000007580000 - e00000000b580000 >> software IO TLB at phys 0x7580000 - 0xb580000 >> ------------[ cut here ]------------ >> WARNING: at kernel/lockdep.c:2310 trace_hardirqs_on_caller+0x220/0x380() >> Modules linked in: >> kernel unaligned access to 0xffffffffffffffff, ip=0xa0000001001aaf41 >> > > Yeah!!!.. reproduced... so we are on same page... > Will address it in take-3.. > > Please try my config to check if you can have a working kernel with > lockdep and ftrace > enabled.. > Weird, the mail didn't hit mailing list..., resend.. -- To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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