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SubjectRe: Linux 5.15-rc1 - 82599ES VPD access isue
Date
On 13.09.2021 22:32, Dave Jones wrote:

+ Jesse and Tony as Intel NIC maintainers

> On Mon, Sep 13, 2021 at 10:22:57PM +0200, Heiner Kallweit wrote:
>
> > > This didn't help I'm afraid :(
> > > It changed the VPD warning, but that's about it...
> > >
> > > [ 184.235496] pci 0000:02:00.0: calling quirk_blacklist_vpd+0x0/0x22 @ 1
> > > [ 184.235499] pci 0000:02:00.0: [Firmware Bug]: disabling VPD access (can't determine size of non-standard VPD format)
> > > [ 184.235501] pci 0000:02:00.0: quirk_blacklist_vpd+0x0/0x22 took 0 usecs
> > >
> > With this patch there's no VPD access to this device any longer. So this can't be
> > the root cause. Do you have any other PCI device that has VPD capability?
> > -> Capabilities: [...] Vital Product Data
>
>
> 01:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
> Subsystem: Device 1dcf:030a
> ...
> Capabilities: [e0] Vital Product Data
> Unknown small resource type 06, will not decode more.
>

When searching I found the same symptom of invalid VPD data for 82599EB.
Do these adapters have non-VPD data in VPD address space? Or is the actual
VPD data at another offset than 0? I know that few Chelsio devices have
such a non-standard VPD structure.

>
> I'll add that to the quirk list and see if that helps.
>
> Dave
>
Heiner

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