Re: [Crash-utility] crash can't handle virsh dump file

Dave Anderson wrote: > ----- "Gui Jianfeng" <guijianfeng(a)cn.fujitsu.com&gt; wrote: > >> Dave Anderson wrote: >>> ----- "Dave Anderson" <anderson(a)redhat.com&gt; wrote: >>> >>>> ----- "Paolo Bonzini" <pbonzini(a)redhat.com&gt; wrote: >>>> >>>>>> According to coredump, seems crash crashed at get_idt_base(). >>>>>> device_find_instance() fails to find "cpu" instance. >>>>> I think Dave already has a patch for this. >>>>> >>>>> Paolo >>>> The patch for get_idt_base() was put in crash version 5.0.4. >>>> Looking back at the mail archives, though, I don't see what >>>> version Gui is/was using? >>>> >>>> Dave >>> Now I see with the crash debug output that Gui is using version >>> 5.0.3. Can you please retry Paolo's patch on top of version >>> 5.0.4? >>> >> Hi Dave, >> >> I did apply Paolo's patch on top of version 5.0.4, the bug is still there. >> I checked the 5.0.4 changelog and didn't see the fix for this. > Sorry, the 5.0.4 fix I was referring to was in get_kernel_base(), which is > called with the result from get_idt_base(). So, just to be clear, when it > crashes in get_idt_base(), it's because device_find_instance() call returns > a NULL? That's true. > static uint64_t > get_idt_base(struct qemu_device_list *dl) > { > struct qemu_device_x86 *dx86 = (struct qemu_device_x86 *) > device_find_instance (dl, "cpu", 0); > > return dx86->idt.base; > } > > So, it seems that with Paolo's patch, it can find the "block" device, but > then can no longer find the "cpu" device? Yes. > Can you make a vmlinux/vmcore pair available for me to download? Ok, will do later.

Thanks, Gui > Thanks, > Dave > > -- Crash-utility mailing list Crash-utility(a)redhat.com https://www.redhat.com/mailman/listinfo/crash-utility