On Fri, 2015-09-04 at 11:22 -0700, Nishanth Aravamudan wrote:
> The 32-bit TCE table initialization relies on the DMA window having a
> size equal to a power of 2 (and checks for it explicitly). But
> crashkernel= has no constraint that requires a power-of-2 be specified.
> This causes the kdump
On 07.09.2015 [19:19:09 +1000], Michael Ellerman wrote:
> On Fri, 2015-09-04 at 11:22 -0700, Nishanth Aravamudan wrote:
> > The 32-bit TCE table initialization relies on the DMA window having a
> > size equal to a power of 2 (and checks for it explicitly). But
> > crashkernel= has no constraint
The 32-bit TCE table initialization relies on the DMA window having a
size equal to a power of 2 (and checks for it explicitly). But
crashkernel= has no constraint that requires a power-of-2 be specified.
This causes the kdump kernel to fail to boot as none of the PCI devices
(including the disk
.vnet.ibm.com>,
> linuxppc-dev@lists.ozlabs.org, "Jan Stancek"
> <jstan...@redhat.com>
> Sent: Friday, 4 September, 2015 8:22:52 PM
> Subject: [PATCH v2] powerpc/powernv/pci-ioda: fix kdump with non-power-of-2
> crashkernel=
>
> The 32-bit TCE table initializ