From: Jakub Kicinski <kuba@kernel.org>
To: Igor Velkov <iav@iav.lv>
Cc: netdev-bot+sinfo@kernel.org, "Andrew Lunn" <andrew@lunn.ch>,
"Heiner Kallweit" <hkallweit1@gmail.com>,
"Russell King" <linux@armlinux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Maxime Chevallier" <maxime.chevallier@bootlin.com>,
"Lukas Wunner" <lukas@wunner.de>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Wei Fang" <wei.fang@nxp.com>,
"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
"Paul Barker" <paul@pbarker.dev>,
"Florian Fainelli" <florian.fainelli@broadcom.com>,
"Doug Berger" <opendmb@gmail.com>,
"Thangaraj Samynathan" <Thangaraj.S@microchip.com>,
"Shenwei Wang" <shenwei.wang@nxp.com>,
"Haoning Cheng" <Haoning.CHENG@cn.bosch.com>,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v5 0/4] net: phy: postpone PHY interrupts during sleep with MAC-managed PM
Date: Thu, 12 Nov 2026 11:17:37 -0800 [thread overview]
Message-ID: <20261112111737.730f8875@kernel.org> (raw)
In-Reply-To: <20261112-phylib-v5-sinfo-reply-1@iav.lv>
On Thu, 12 Nov 2026 01:55:16 +0200 Igor Velkov wrote:
> Patch 4 fixes a hang seen on Helios64 (dwmac-rk, RTL8211F): in s2idle
> without WoL the board hung or reset 10 of 10 times without the series.
> The PHY IRQ thread stalls its CPU on an MDIO read while the GMAC clocks
> are off, so that CPU never answers the NMI:
>
> watchdog: CPU0: Watchdog detected hard LOCKUP on cpu 1
> After 10 seconds, these CPUS still haven't responded to the NMI: 1
>
> Patches 1-3 fix defects found by code inspection and Sashiko review;
> they were not triggered.
please remember to add this to the cover letter
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: Igor Velkov <iav@iav.lv>
Cc: netdev-bot+sinfo@kernel.org, "Andrew Lunn" <andrew@lunn.ch>,
"Heiner Kallweit" <hkallweit1@gmail.com>,
"Russell King" <linux@armlinux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Maxime Chevallier" <maxime.chevallier@bootlin.com>,
"Lukas Wunner" <lukas@wunner.de>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>,
"Wei Fang" <wei.fang@nxp.com>,
"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
"Paul Barker" <paul@pbarker.dev>,
"Florian Fainelli" <florian.fainelli@broadcom.com>,
"Doug Berger" <opendmb@gmail.com>,
"Thangaraj Samynathan" <Thangaraj.S@microchip.com>,
"Shenwei Wang" <shenwei.wang@nxp.com>,
"Haoning Cheng" <Haoning.CHENG@cn.bosch.com>,
netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net v5 0/4] net: phy: postpone PHY interrupts during sleep with MAC-managed PM
Date: Thu, 12 Nov 2026 11:17:37 -0800 [thread overview]
Message-ID: <20261112111737.730f8875@kernel.org> (raw)
In-Reply-To: <20261112-phylib-v5-sinfo-reply-1@iav.lv>
On Thu, 12 Nov 2026 01:55:16 +0200 Igor Velkov wrote:
> Patch 4 fixes a hang seen on Helios64 (dwmac-rk, RTL8211F): in s2idle
> without WoL the board hung or reset 10 of 10 times without the series.
> The PHY IRQ thread stalls its CPU on an MDIO read while the GMAC clocks
> are off, so that CPU never answers the NMI:
>
> watchdog: CPU0: Watchdog detected hard LOCKUP on cpu 1
> After 10 seconds, these CPUS still haven't responded to the NMI: 1
>
> Patches 1-3 fix defects found by code inspection and Sashiko review;
> they were not triggered.
please remember to add this to the cover letter
_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip
next prev parent reply other threads:[~2026-11-12 19:17 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-11 23:48 [PATCH net v5 0/4] net: phy: postpone PHY interrupts during sleep with MAC-managed PM Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov
2026-11-11 23:48 ` [PATCH net v5 1/4] net: phy: move irq_suspended and irq_rerun out of the bitfield Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov
2026-11-11 23:48 ` [PATCH net v5 2/4] net: phy: keep the line of a postponed PHY interrupt balanced Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov
2026-11-11 23:48 ` [PATCH net v5 3/4] net: phy: stop postponing PHY interrupts when a PHY PM callback fails Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov
2026-11-11 23:48 ` [PATCH net v5 4/4] net: phy: postpone PHY interrupts during sleep with MAC-managed PM Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov via B4 Relay
2026-11-11 23:48 ` Igor Velkov
2026-11-11 23:51 ` [PATCH net v5 0/4] " netdev-bot+sinfo
2026-11-11 23:51 ` netdev-bot+sinfo
2026-11-11 23:55 ` Igor Velkov
2026-11-11 23:55 ` Igor Velkov
2026-11-12 19:17 ` Jakub Kicinski [this message]
2026-11-12 19:17 ` Jakub Kicinski
2026-11-11 23:53 ` Igor Velkov
2026-11-11 23:53 ` Igor Velkov
2026-11-12 8:46 ` Haoning Cheng
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