Failure in vmcore_init.
Tim Hartrick
tim at edgecast.com
Tue Oct 25 13:42:43 UTC 2011
Andy,
As I understand it, bugzilla.kernel.org is down for an indefinite period.
Is there some other bug system to which I should send this? Note that I
have sent an E-mail to the nominal maintainer and the kexec list already.
No response.
Thanks
Tim Hartrick
On Oct 25, 2011 1:28 AM, "Andy Whitcroft" <apw at canonical.com> wrote:
> On Mon, Oct 24, 2011 at 10:03:28AM -0700, Tim Hartrick wrote:
> >
> >
> > Kernel Team,
> >
> > I have been experiencing the following failure on Ubuntu 10.04 running
> > the 2.6.32-34-server, and 2.6.38-8-server and 2.6.38-10-server kernels
> > from Ubuntu 11.04 as the crashkernel on X86_64. The problem has been
> > reproduced on PowerEdge R610s as well.
> >
> > The tools are:
> >
> > kexec-tools 1:2.0.2-1ubuntu3
> > makedumpfile 1.3.7-2
> > kdump-tools 1.3.7-2
> >
> > I would be interested to know if this is a known problem and if so
> > whether or not there is a patch in the pipeline to correct the problem.
> >
> > In addition to the failure in vmcore_init, I have found that the 2.6.38
> > kernels cited above will not allow a crashkernel memory allocation of
> > 512M or greater.
> >
> > I will be happy to provide any other details that are required including
> > debug builds if necessary.
> >
> >
> > Tim Hartrick
> > EdgeCast Networks, Inc.
> >
> >
> > [ 1.322100] ioremap: invalid physical address db74000000000000
> > [ 1.327919] ------------[ cut here ]------------
> > [ 1.332530] WARNING:
> > at /build/buildd/linux-2.6.32/arch/x86/mm/ioremap.c:120 __ioremap_caller
> > +0x360/0x3d0()
> > [ 1.342249] Hardware name: PowerEdge R710
> > [ 1.346249] Modules linked in:
> > [ 1.349306] Pid: 1, comm: swapper Not tainted 2.6.32-34-server
> > #77-Ubuntu
> > [ 1.356079] Call Trace:
> > [ 1.358523] [<ffffffff81067c7b>] warn_slowpath_common+0x7b/0xc0
> > [ 1.364516] [<ffffffff81067cd4>] warn_slowpath_null+0x14/0x20
> > [ 1.370335] [<ffffffff81041610>] __ioremap_caller+0x360/0x3d0
> > [ 1.376155] [<ffffffff8103551e>] ? copy_oldmem_page+0x4e/0xc0
> > [ 1.381974] [<ffffffff811211d5>] ? __free_vmap_area+0xa5/0xb0
> > [ 1.387792] [<ffffffff81041774>] ioremap_cache+0x14/0x20
> > [ 1.393177] [<ffffffff8103551e>] copy_oldmem_page+0x4e/0xc0
> > [ 1.398828] [<ffffffff811a8b5a>] read_from_oldmem+0x7a/0xb0
> > [ 1.404478] [<ffffffff818aa7d0>] T.531+0x6c/0x20f
> > [ 1.409255] [<ffffffff8103555b>] ? copy_oldmem_page+0x8b/0xc0
> > [ 1.415075] [<ffffffff811a8b5a>] ? read_from_oldmem+0x7a/0xb0
> > [ 1.420891] [<ffffffff818aaa86>] parse_crash_elf64_headers
> > +0x113/0x218
> > [ 1.427490] [<ffffffff8103555b>] ? copy_oldmem_page+0x8b/0xc0
> > [ 1.433309] [<ffffffff811a8600>] ? kclist_add_private+0x0/0x180
> > [ 1.439303] [<ffffffff818ab0bf>] ? vmcore_init+0x0/0x75
> > [ 1.444603] [<ffffffff818ab01b>] parse_crash_elf_headers+0x7e/0x122
> > [ 1.450941] [<ffffffff818ab0e0>] vmcore_init+0x21/0x75
> > [ 1.456158] [<ffffffff8100a04c>] do_one_initcall+0x3c/0x1a0
> > [ 1.461806] [<ffffffff8188776f>] do_basic_setup+0x54/0x66
> > [ 1.467278] [<ffffffff8188780f>] kernel_init+0x8e/0xde
> > [ 1.472491] [<ffffffff8105c8fa>] ? schedule_tail+0x2a/0xb0
> > [ 1.478052] [<ffffffff810141aa>] child_rip+0xa/0x20
> > [ 1.483004] [<ffffffff81887781>] ? kernel_init+0x0/0xde
> > [ 1.488303] [<ffffffff810141a0>] ? child_rip+0x0/0x20
> > [ 1.493431] ---[ end trace 93d72a36b9146f22 ]---
> > [ 1.498037] Kdump: vmcore not initialized
> > [ 1.657335] Freeing initrd memory: 8647k freed
>
> I do not recall seeing this anywhere before. Please do get a bug filed
> with all the details.
>
> Thanks.
>
> -apw
>
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