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Message-ID: <20170530102924.GB7484@bigcity.dyn.berto.se> Date: Tue, 30 May 2017 12:29:24 +0200 From: Niklas Söderlund <niklas.soderlund@...natech.se> To: Geert Uytterhoeven <geert@...ux-m68k.org> Cc: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>, Linux-Renesas <linux-renesas-soc@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: Re: ravb WoL interrupt flood Hi Geert, Thanks for the report. I did run a 200+ loop suspend/resume without issues so this error is probably hard to reproduce or something changed since v4.11-rc1 which if IIRC was the base I used to do the tests. All I can think of is that if the interface was down at the time the system was suspend. There is a bug in the driver which is in renesas-drivers related to that. But given that you woken up by WoL that is probably not the case :-) I will do more tests and see if I can reproduce this once I'm back in Stockholm. On 2017-05-30 11:23:23 +0200, Geert Uytterhoeven wrote: > Hi Niklas, > > I just got a flood of messages after WoL from s2idle on r8a7795/salvator-x: > > [ 802.341060] ravb e6800000.ethernet eth0: ignoring interrupt, rx > status 0x00000001, rx mask 0x00000001, > [ 802.350369] ravb e6800000.ethernet eth0: tx > status 0x00000000, tx mask 0x00000001. > [ 802.359684] ravb e6800000.ethernet eth0: ignoring interrupt, rx > status 0x00000001, rx mask 0x00000001, > [ 802.368993] ravb e6800000.ethernet eth0: tx > status 0x00000000, tx mask 0x00000001. > [ 802.378308] ravb e6800000.ethernet eth0: ignoring interrupt, rx > status 0x00000001, rx mask 0x00000001, > [ 802.387616] ravb e6800000.ethernet eth0: tx > status 0x00000000, tx mask 0x00000001. > [ 802.396931] ravb e6800000.ethernet eth0: ignoring interrupt, rx > status 0x00000001, rx mask 0x00000001, > [ 802.406240] ravb e6800000.ethernet eth0: tx > status 0x00000000, tx mask 0x00000001. > ... > > Unfortunately I cannot reproduce it. > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds -- Regards, Niklas Söderlund
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