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Date: Tue, 4 Feb 2014 11:47:51 -0800 From: Michael Chan <mchan@...adcom.com> To: Zoltan Kiss <zoltan.kiss@...rix.com> CC: Zoltan Kiss <zoltan.kiss@...aman.hu>, Jeff Kirsher <jeffrey.t.kirsher@...el.com>, Jesse Brandeburg <jesse.brandeburg@...el.com>, Bruce Allan <bruce.w.allan@...el.com>, Carolyn Wyborny <carolyn.wyborny@...el.com>, Don Skidmore <donald.c.skidmore@...el.com>, "Greg Rose" <gregory.v.rose@...el.com>, Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>, Alex Duyck <alexander.h.duyck@...el.com>, John Ronciak <john.ronciak@...el.com>, Tushar Dave <tushar.n.dave@...el.com>, Akeem G Abodunrin <akeem.g.abodunrin@...el.com>, "David S. Miller" <davem@...emloft.net>, <e1000-devel@...ts.sourceforge.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "xen-devel@...ts.xenproject.org" <xen-devel@...ts.xenproject.org> Subject: Re: igb and bnx2: "NETDEV WATCHDOG: transmit queue timed out" when skb has huge linear buffer On Fri, 2014-01-31 at 14:29 +0100, Zoltan Kiss wrote: > [ 5417.275472] WARNING: at net/sched/sch_generic.c:255 > dev_watchdog+0x156/0x1f0() > [ 5417.275474] NETDEV WATCHDOG: eth1 (bnx2): transmit queue 2 timed out The dump shows an internal IRQ pending on MSIX vector 2 which matches the the queue number that is timing out. I don't know what happened to the MSIX and why the driver is not seeing it. Do you see an IRQ error message from the kernel a few seconds before the tx timeout message? -- 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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