From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Gaurav Batra <gbatra@linux.ibm.com>
Cc: brking@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v3] powerpc/pseries/iommu: DLPAR ADD of pci device doesn't completely initialize pci_controller structure
Date: Tue, 20 Feb 2024 23:28:20 +1100 [thread overview]
Message-ID: <170843210066.1280904.12009150879640738170.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20240215221833.4817-1-gbatra@linux.ibm.com>
On Thu, 15 Feb 2024 16:18:33 -0600, Gaurav Batra wrote:
> When a PCI device is Dynamically added, LPAR OOPS with NULL pointer
> exception.
>
> Complete stack is as below
>
> [ 211.239206] BUG: Kernel NULL pointer dereference on read at 0x00000030
> [ 211.239210] Faulting instruction address: 0xc0000000006bbe5c
> [ 211.239214] Oops: Kernel access of bad area, sig: 11 [#1]
> [ 211.239218] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA pSeries
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/pseries/iommu: DLPAR ADD of pci device doesn't completely initialize pci_controller structure
https://git.kernel.org/powerpc/c/a5c57fd2e9bd1c8ea8613a8f94fd0be5eccbf321
cheers
prev parent reply other threads:[~2024-02-20 12:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-15 22:18 [PATCH v3] powerpc/pseries/iommu: DLPAR ADD of pci device doesn't completely initialize pci_controller structure Gaurav Batra
2024-02-20 12:28 ` Michael Ellerman [this message]
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