Re: [PATCH 4.19 00/53] 4.19.240-rc1 review [net: ethernet: stmmac: fix altr_tse_pcs function when using a]

From: Pavel Machek
Date: Fri Apr 29 2022 - 03:43:51 EST


Hi!

> > > This is the start of the stable review cycle for the 4.19.240 release.
> > > There are 53 patches in this series, all will be posted as a response
> > > to this one. If anyone has any issues with these being applied, please
> > > let me know.
...
> > I still see problems on socfpga:
> >
> > [ 1.227759] mmcblk0: p1 p2 p3
> > [ 1.269825] Micrel KSZ9031 Gigabit PHY stmmac-0:01: attached PHY driver [Micrel KSZ9031 Gigabit PHY] (mii_bus:phy_addr=stmmac-0:01, irq=POLL)
> > [ 1.284600] socfpga-dwmac ff702000.ethernet eth0: No Safety Features support found
> > [ 1.292374] socfpga-dwmac ff702000.ethernet eth0: registered PTP clock
> > [ 1.299247] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> > [ 5.444552] Unable to handle kernel NULL pointer dereference at virtual address 00000000
...
> > [ 5.478679] Workqueue: events_power_efficient phy_state_machine
> > [ 5.484579] PC is at socfpga_dwmac_fix_mac_speed+0x3c/0xbc
> > [ 5.490044] LR is at arm_heavy_mb+0x2c/0x48

> > https://lava.ciplatform.org/scheduler/job/669257
> > https://gitlab.com/cip-project/cip-testing/linux-stable-rc-ci/-/jobs/2377419824
>
> Can you run git bisect?

Not a bisect, but we guessed e2423aa174e6 was responsible, and tested
it boots with that patch reverted.

Best regards,
Pavel

commit e2423aa174e6c3e9805e96db778245ba73cdd88c

net: ethernet: stmmac: fix altr_tse_pcs function when using a
fixed-link

[ Upstream commit a6aaa00324240967272b451bfa772547bd576ee6 ]

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