netdev - Re: [RFC PATCH net-next 0/8] Convert xpcs to phylink_pcs

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Date:   Mon, 31 May 2021 10:30:19 +0800
From:   Wong Vee Khee <vee.khee.wong@...ux.intel.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Florian Fainelli <f.fainelli@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        Michael Sit Wei Hong <michael.wei.hong.sit@...el.com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [RFC PATCH net-next 0/8] Convert xpcs to phylink_pcs_ops

On Fri, May 28, 2021 at 12:12:30PM +0300, Vladimir Oltean wrote:
> Hi VK,
> 
> On Fri, May 28, 2021 at 10:15:21AM +0800, Wong Vee Khee wrote:
> > I got the following kernel panic after applying [1], and followed by
> > this patch series.
> > 
> > [1] https://patchwork.kernel.org/project/netdevbpf/patch/20210527155959.3270478-1-olteanv@gmail.com/
> > 
> > [   10.742057] libphy: stmmac: probed
> > [   10.750396] mdio_bus stmmac-1:01: attached PHY driver [unbound] (mii_bus:phy_addr=stmmac-1:01, irq=POLL)
> > [   10.818222] intel-eth-pci 0000:00:1e.4 (unnamed net_device) (uninitialized): failed to validate link configuration for in-band status
> > [   10.830348] intel-eth-pci 0000:00:1e.4 (unnamed net_device) (uninitialized): failed to setup phy (-22)
> 
> Thanks a lot for testing. Sadly I can't figure out what is the mistake.
> Could you please add this debugging patch on top and let me know what it
> prints?
> 

Sorry for the late response. Here the debug log:

[   11.474302] mdio_bus stmmac-1:01: attached PHY driver [unbound] (mii_bus:phy_addr=stmmac-1:01, irq=POLL)
[   11.495564] mdio_bus stmmac-1:16: xpcs_create: xpcs_id 7996ced0 matched on entry 0
[   11.503154] mdio_bus stmmac-1:16: xpcs_create: setting entry->supported bit 13
[   11.510377] mdio_bus stmmac-1:16: xpcs_create: setting entry->supported bit 14
[   11.517590] mdio_bus stmmac-1:16: xpcs_create: setting entry->supported bit 6
[   11.524725] mdio_bus stmmac-1:16: xpcs_create: setting entry->supported bit 17
[   11.531946] mdio_bus stmmac-1:16: xpcs_create: setting entry->supported bit 18
[   11.539278] mdio_bus stmmac-1:16: xpcs_create: setting entry->supported bit 19
[   11.541316] ish-hid {33AECD58-B679-4E54-9BD9-A04D34F0C226}: [hid-ish]: enum_devices_done OK, num_hid_devices=6
[   11.546487] mdio_bus stmmac-1:16: xpcs_create: setting entry->supported bit 15
[   11.546489] mdio_bus stmmac-1:16: xpcs_create: xpcs->supported 0000000,00000000,000ee040
[   11.584687] hid-generic 001F:8087:0AC2.0001: device has no listeners, quitting
[   11.599461] mdio_bus stmmac-1:16: xpcs_validate: provided interface sgmii does not match supported interface 0 (usxgmii)
[   11.606538] hid-generic 001F:8087:0AC2.0002: device has no listeners, quitting
[   11.610306] mdio_bus stmmac-1:16: xpcs_validate: provided interface sgmii does not match any supported interface
[   11.610309] mdio_bus stmmac-1:16: xpcs_validate: provided interface sgmii does not match supported interface 0 (usxgmii)
[   11.626259] hid-generic 001F:8087:0AC2.0003: device has no listeners, quitting
[   11.627675] mdio_bus stmmac-1:16: xpcs_validate: provided interface sgmii does not match any supported interface
[   11.627677] intel-eth-pci 0000:00:1e.4 (unnamed net_device) (uninitialized): failed to validate link configuration for in-band status
[   11.641996] hid-generic 001F:8087:0AC2.0004: device has no listeners, quitting
[   11.645729] intel-eth-pci 0000:00:1e.4 (unnamed net_device) (uninitialized): failed to setup phy (-22)

Regards,
VK