Re: Linux 5.15-rc1

From: Dave Jones
Date: Mon Sep 13 2021 - 16:41:59 EST


On Mon, Sep 13, 2021 at 10:32:56PM +0200, Heiner Kallweit wrote:

> > [ 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
> >
>
> OK, so this device is buggy too but not the root cause. After checking again the
> stalls happen for VPD access to both ports of the Intel network adapter.
>
> 01:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
> 01:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01)
>
> I modified the test patch accordingly, could you please test again?

That does avoid the stall.

Dave