Re: `pcilib: sysfs_read_vpd: read failed: Input/output error` on ASRock E350M1

[Paul Menzel <paulepanter@users.sourceforge.net>]

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Dear Myron,


thank you for your response.


Am Montag, den 16.05.2016, 12:02 -0600 schrieb Myron Stowe:
> On Sun, May 15, 2016 at 10:56 AM, Paul Menzel wrote:

[…]

> > Is that related to [1]?
>
> There have been a number of recent kernel commits to work-around know
> buggy devices -
>   v4.6-rc5
>     67e6587  cxgb4: Set VPD size so we can read both VPD structures
>     cb92148  PCI: Add pci_set_vpd_size() to set VPD size
>   v4.6 -
>     7c20078  PCI: Prevent VPD access for buggy devices
>     c521b01  PCI: Sleep rather than busy-wait for VPD access completion
>     408641e  PCI: Fold struct pci_vpd_pci22 into struct pci_vpd
>     f1cd93f  PCI: Rename VPD symbols to remove unnecessary "pci22"
>     da00684  PCI: Remove struct pci_vpd_ops.release function pointer
>     6437907  PCI: Move pci_vpd_release() from header file to pci/access.c
>     fc0a407  PCI: Move pci_read_vpd() and pci_write_vpd() close to other code
>     104daa7  PCI: Determine actual VPD size on first access
>     c556388  PCI: Use bitfield instead of bool for struct pci_vpd_pci22.busy
>     f52e562  PCI: Allow access to VPD attributes with size 0
>     9eb45d5  PCI: Update VPD definitions
>   v4.3 -
>     da2d03e  PCI: Use function 0 VPD only for identical functions
>     9d92407  PCI: Fix devfn for VPD access through function 0
>     7aa6ca4  PCI: Add VPD function 0 quirk for Intel Ethernet devices
>     932c435  PCI: Add dev_flags bit to access VPD through function 0
> 
> What were you getting/seeing before?

The error wasn’t shown. Sorry if that is not a helpful answer. If I
provide more information, please tell me how I can get them.

You can find a lot of lspci output for the ASRock E350M1 in coreboot’s
board status repository [2].


Thanks,

Paul


> > [1] https://lkml.org/lkml/2016/4/15/649
[2] http://review.coreboot.org/cgit/board-status.git/tree/asrock/e350m1

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