[PATCH 11/12] swiotlb: merge swiotlb-xen initialization into swiotlb

Boris Ostrovsky boris.ostrovsky at oracle.com
Fri Mar 4 06:06:45 AEDT 2022


On 3/3/22 5:57 AM, Christoph Hellwig wrote:
> On Wed, Mar 02, 2022 at 08:15:03AM -0500, Boris Ostrovsky wrote:
>> Not for me, I fail to boot with
>>
>> [   52.202000] bnxt_en 0000:31:00.0: swiotlb buffer is full (sz: 256 bytes), total 0 (slots), used 0 (slots)
>>
>> (this is iscsi root so I need the NIC).
>>
>>
>> I bisected it to "x86: remove the IOMMU table infrastructure" but haven't actually looked at the code yet.
> Thanks. Looks like the sizing is going wrong.  Just to confirm, this is
> dom0 on x86 and no special command line options?


Right.


module2 /boot/vmlinuz-5.17.0-rc6swiotlb placeholder root=UUID=dbef1262-8c8a-43db-8055-7d9bec7bece0 ro crashkernel=auto LANG=en_US.UTF-8 rd.luks=0 rd.lvm=0 rd.md=0 rd.dm=0 netroot=iscsi:169.254.0.2:::1:iqn.2015-02.oracle.boot:uefi iscsi_param=node.session.timeo.replacement_timeout=6000 net.ifnames=1 nvme_core.shutdown_timeout=10 ipmi_si.tryacpi=0 ipmi_si.trydmi=0 ipmi_si.trydefaults=0 libiscsi.debug_libiscsi_eh=1  panic=20 nokaslr earlyprintk=xen console=hvc0 loglevel=8 4



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