Messages in this thread | | | Date | Wed, 10 Oct 2012 09:30:22 +0200 | From | Joerg Roedel <> | Subject | Re: [git pull] IOMMU Updates for v3.7-rc1 |
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Hi Andrew,
On Tue, Oct 09, 2012 at 10:45:32PM +0100, Andrew Oakley wrote: > On Fri, 5 Oct 2012 17:23:12 +0200 > Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org> wrote:
> ACPI: Core revision 20120711 > ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 > Kernel panic - not syncing: timer doesn't work through Interrupt-remapped IO-APIC > Pid: 1, comm: swapper/0 Not tainted 3.6.0+ #2 > Call Trace: > [<ffffffff8163f617>] ? panic+0xc5/0x1d0 > [<ffffffff8163f76e>] ? printk+0x4c/0x51 > [<ffffffff81c96b52>] ? setup_IO_APIC+0x325/0x710 > [<ffffffff81c947b5>] ? native_smp_prepare_cpus+0x2b9/0x334 > [<ffffffff81c87b53>] ? kernel_init+0x59/0x190 > [<ffffffff81643b84>] ? kernel_thread_helper+0x4/0x10 > [<ffffffff81c87afa>] ? start_kernel+0x2c7/0x2c7 > [<ffffffff81643b80>] ? gs_change+0x13/0x13 > > There is a patch to fix a similar problem (32ab31e) for the Intel IRQ > remapping code but I don't know if this is likely to be the same issue > or not.
Can you please boot with 'amd_iommu_dump nointremap' on your kernel command line and post dmesg? I guess your ACPI table is broken in some way.
The problem seen on VT-d exists on AMD too, but I have a workaround for that in the code already. This must be something else...
Thanks,
Joerg
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