linux-kernel - Re: [PATCH 4.19 00/53] 4.19.240-rc1 review [net: ethernet: stmmac: fix altr_tse

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Date:   Fri, 29 Apr 2022 11:22:21 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Pavel Machek <pavel@...x.de>
Cc:     iwamatsu@...auri.org, dinguyen@...nel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, jonathanh@...dia.com,
        f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        slade@...dewatkins.com
Subject: Re: [PATCH 4.19 00/53] 4.19.240-rc1 review [net: ethernet: stmmac:
 fix altr_tse_pcs function when using a]

On Fri, Apr 29, 2022 at 09:43:41AM +0200, Pavel Machek wrote:
> 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 ]
>     

Thanks, now reverted from 4.19.y, 4.14.y, and 4.9.y

greg k-h