Messages in this thread | | | Date | Wed, 26 Aug 2009 00:19:03 +0200 | From | Francois Romieu <> | Subject | Re: [PATCH 2.6.30-rc4] r8169: avoid losing MSI interrupts |
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Eric W. Biederman <ebiederm@xmission.com> : [...] > I am a bit curious about TxDescUnavail. Perhaps we had a temporary > memory shortage and that is what was screaming? I don't think we do > anything at all with that state.
You are not alone, the driver completely ignores this bit.
As far as I remember, the TxDescUnavail event mostly pops up when the driver makes an excessive use of TxPoll requests.
> Perhaps the flaw here is simply not masking TxDescUnavail while we are > in NAPI mode ?
Yes, it is worth trying.
-- Ueimor
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