linux-kernel - Re: [PATCH] net: usb: lan78xx: Disable interrupts before calling generic_handle

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Date:   Mon, 4 Nov 2019 19:05:58 +0100
From:   Stefan Wahren <wahrenst@....net>
To:     Daniel Wagner <dwagner@...e.de>, netdev@...r.kernel.org
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Woojung Huh <woojung.huh@...rochip.com>,
        Marc Zyngier <maz@...nel.org>, Andrew Lunn <andrew@...n.ch>,
        Jisheng Zhang <Jisheng.Zhang@...aptics.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        David Miller <davem@...emloft.net>
Subject: Re: [PATCH] net: usb: lan78xx: Disable interrupts before calling
 generic_handle_irq()

Hi Daniel,

Am 04.11.19 um 09:57 schrieb Daniel Wagner:
> On Fri, Oct 25, 2019 at 10:04:13AM +0200, Daniel Wagner wrote:
>> This patch just fixes the warning. There are still problems left (the
>> unstable NFS report from me) but I suggest to look at this
>> separately. The initial patch to revert all the irqdomain code might
>> just hide the problem. At this point I don't know what's going on so I
>> rather go baby steps. The revert is still possible if nothing else
>> works.
> I replaced my power supply with the official RPi one and the NFS
> timeouts problems are gone. Also a long test session with different
> network loads didn't show any problems. I feel so stupid...
did you never saw a warning about under voltage from the Raspberry Pi
hwmon driver?
>
> Thanks,
> Daniel
>