Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-10 Thread Greg KH
On Thu, Jan 10, 2019 at 01:58:31PM +0100, Frederic Barrat wrote: > > > Le 10/01/2019 à 13:25, Michael Ellerman a écrit : > > Greg Kurz writes: > > > On Wed, 9 Jan 2019 17:45:53 +0100 > > > Frederic Barrat wrote: > > > > > > > Le 09/01/2019 à 17:25, Greg Kurz a écrit : > > > > > On Wed, 9 Jan

Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-10 Thread Frederic Barrat
Le 10/01/2019 à 13:25, Michael Ellerman a écrit : Greg Kurz writes: On Wed, 9 Jan 2019 17:45:53 +0100 Frederic Barrat wrote: Le 09/01/2019 à 17:25, Greg Kurz a écrit : On Wed, 9 Jan 2019 16:13:42 +0100 Frederic Barrat wrote: With a recent change around IOMMU group, a system with

Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-10 Thread Greg Kurz
On Thu, 10 Jan 2019 23:25:11 +1100 Michael Ellerman wrote: > Greg Kurz writes: > > On Wed, 9 Jan 2019 17:45:53 +0100 > > Frederic Barrat wrote: > > > >> Le 09/01/2019 à 17:25, Greg Kurz a écrit : > >> > On Wed, 9 Jan 2019 16:13:42 +0100 > >> > Frederic Barrat wrote: > >> > > >> >>

Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-10 Thread Michael Ellerman
Greg Kurz writes: > On Wed, 9 Jan 2019 17:45:53 +0100 > Frederic Barrat wrote: > >> Le 09/01/2019 à 17:25, Greg Kurz a écrit : >> > On Wed, 9 Jan 2019 16:13:42 +0100 >> > Frederic Barrat wrote: >> > >> >> With a recent change around IOMMU group, a system with an opencapi >> >> adapter is no

Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-09 Thread Andrew Donnellan
On 10/1/19 2:13 am, Frederic Barrat wrote: With a recent change around IOMMU group, a system with an opencapi adapter is no longer booting and we get a kernel oops: BUG: Kernel NULL pointer dereference at 0x0028 Faulting instruction address: 0xc00aa38c Oops: Kernel access of bad

Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-09 Thread Greg Kurz
On Wed, 9 Jan 2019 17:45:53 +0100 Frederic Barrat wrote: > Le 09/01/2019 à 17:25, Greg Kurz a écrit : > > On Wed, 9 Jan 2019 16:13:42 +0100 > > Frederic Barrat wrote: > > > >> With a recent change around IOMMU group, a system with an opencapi > >> adapter is no longer booting and we get a

Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-09 Thread Greg KH
On Wed, Jan 09, 2019 at 05:45:53PM +0100, Frederic Barrat wrote: > > > Le 09/01/2019 à 17:25, Greg Kurz a écrit : > > On Wed, 9 Jan 2019 16:13:42 +0100 > > Frederic Barrat wrote: > > > > > With a recent change around IOMMU group, a system with an opencapi > > > adapter is no longer booting

Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-09 Thread Frederic Barrat
Le 09/01/2019 à 17:25, Greg Kurz a écrit : On Wed, 9 Jan 2019 16:13:42 +0100 Frederic Barrat wrote: With a recent change around IOMMU group, a system with an opencapi adapter is no longer booting and we get a kernel oops: BUG: Kernel NULL pointer dereference at 0x0028 Faulting

Re: [PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-09 Thread Greg Kurz
On Wed, 9 Jan 2019 16:13:42 +0100 Frederic Barrat wrote: > With a recent change around IOMMU group, a system with an opencapi > adapter is no longer booting and we get a kernel oops: > > BUG: Kernel NULL pointer dereference at 0x0028 > Faulting instruction address: 0xc00aa38c >

[PATCH] powerpc/powernv/npu: Fix oops in pnv_try_setup_npu_table_group()

2019-01-09 Thread Frederic Barrat
With a recent change around IOMMU group, a system with an opencapi adapter is no longer booting and we get a kernel oops: BUG: Kernel NULL pointer dereference at 0x0028 Faulting instruction address: 0xc00aa38c Oops: Kernel access of bad area, sig: 7 [#1] LE SMP NR_CPUS=2048 NUMA