Hi Paul,
> Thank you for your reply.
Thank you for getting back to us with a good insight.
[...]
> > I am curious - why is this a problem? Are you power-cycling your servers
> > so often to the point where the cumulative time spent in enumerating PCI
> > devices and adding them later to IOMMU g
Dear Robin,
Thank you for your reply.
Am 09.11.21 um 16:31 schrieb Robin Murphy:
On 2021-11-06 10:42, Paul Menzel wrote:
Am 05.11.21 um 19:53 schrieb Bjorn Helgaas:
On Fri, Nov 05, 2021 at 12:56:09PM +0100, Paul Menzel wrote:
On a PowerEdge T440/021KCD, BIOS 2.11.2 04/22/2021, Linux 5.1
Dear Krzysztof,
Thank you for your reply.
Am 08.11.21 um 18:18 schrieb Krzysztof Wilczyński:
On a PowerEdge T440/021KCD, BIOS 2.11.2 04/22/2021, Linux 5.10.70 takes
almost five seconds to initialize PCI. According to the timestamps, 1.5 s
are from assigning the PCI devices to the 142 IOMMU g
On 2021-11-06 10:42, Paul Menzel wrote:
Dear Bjorn,
Thank you for your quick reply.
Am 05.11.21 um 19:53 schrieb Bjorn Helgaas:
On Fri, Nov 05, 2021 at 12:56:09PM +0100, Paul Menzel wrote:
On a PowerEdge T440/021KCD, BIOS 2.11.2 04/22/2021, Linux 5.10.70 takes
almost five seconds to initi
Hi Paul,
> On a PowerEdge T440/021KCD, BIOS 2.11.2 04/22/2021, Linux 5.10.70 takes
> almost five seconds to initialize PCI. According to the timestamps, 1.5 s
> are from assigning the PCI devices to the 142 IOMMU groups.
[...]
> Is there anything that could be done to reduce the time?
I am curiou
Dear Bjorn,
Thank you for your quick reply.
Am 05.11.21 um 19:53 schrieb Bjorn Helgaas:
On Fri, Nov 05, 2021 at 12:56:09PM +0100, Paul Menzel wrote:
On a PowerEdge T440/021KCD, BIOS 2.11.2 04/22/2021, Linux 5.10.70 takes
almost five seconds to initialize PCI. According to the timestamps, 1
On Fri, Nov 05, 2021 at 12:56:09PM +0100, Paul Menzel wrote:
> Dear Linux folks,
>
>
> On a PowerEdge T440/021KCD, BIOS 2.11.2 04/22/2021, Linux 5.10.70 takes
> almost five seconds to initialize PCI. According to the timestamps, 1.5 s
> are from assigning the PCI devices to the 142 IOMMU groups.
Dear Linux folks,
Am 05.11.21 um 12:56 schrieb Paul Menzel:
On a PowerEdge T440/021KCD, BIOS 2.11.2 04/22/2021, Linux 5.10.70 takes
almost five seconds to initialize PCI. According to the timestamps, 1.5
s are from assigning the PCI devices to the 142 IOMMU groups.
```
$ lspci | wc -l
281
$
Dear Linux folks,
On a PowerEdge T440/021KCD, BIOS 2.11.2 04/22/2021, Linux 5.10.70 takes
almost five seconds to initialize PCI. According to the timestamps, 1.5
s are from assigning the PCI devices to the 142 IOMMU groups.
```
$ lspci | wc -l
281
$ dmesg
[…]
[2.918411] PCI: Using host b
