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Open Source and information security mailing list archives
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Date: Sun, 24 May 2009 23:15:57 +0200 From: Francois Romieu <romieu@...zoreil.com> To: David Dillow <dave@...dillows.org> Cc: Michael Riepe <michael.riepe@...glemail.com>, Michael Buesch <mb@...sch.de>, Rui Santos <rsantos@...popie.com>, Michael Büker <m.bueker@...lin.de>, linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts David Dillow <dave@...dillows.org> : [...] > This fixes the lockups I've seen. Both MSI and level-triggered interrupt > configurations survive over an hour of testing when it would lockup in > under 90 seconds before. I am certain of the analysis of the root cause, > but there may be better ways to fix it. There may also be a theoretical > race window between the ending of a NAPI poll cycle and a link change > interrupt coming in, but I'm not sure it would matter. It makes sense. If I understand correctly, one should expect to find some pending Tx event in the ISR of a failed card when reading the registers with ethtool. Has someone noticed it ? -- Ueimor -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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