netdev - Re: sky2 hangs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20080919225310.429c9846@extreme>
Date:	Fri, 19 Sep 2008 22:53:10 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Greg Fitzgerald <netzdamon@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: sky2 hangs

On Fri, 19 Sep 2008 20:23:27 -0400
Greg Fitzgerald <netzdamon@...il.com> wrote:

> Hope I am sending this to the right place. Have the sky2 network card.
> Internet will die out randomly, re-probing the sky2 module usually solves
> the problem. According to dmesg the receiver is hanging.
> 
> sky2 eth0: hung mac 0:81 fifo 3 (86:89)
> sky2 eth0: receiver hang detected
> sky2 eth0: disabling interface
> sky2 eth0: enabling interface
> sky2 eth0: Link is up at 10 Mbps, half duplex, flow control none
> sky2 eth0: hung mac 0:11 fifo 194 (51:45)
> sky2 eth0: receiver hang detected
> 
> This top half happens 3 or 4 times, then I'll start to get this extra
> output in dmesg after that.
> 
> sky2 eth0: disabling interface
> ACPI: PCI interrupt for device 0000:02:00.0 disabled
> ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 19 (level, low) -> IRQ 19
> PCI: Setting latency timer of device 0000:02:00.0 to 64
> sky2 0000:02:00.0: v1.21 addr 0xcdefc000 irq 19 Yukon-EC (0xb6) rev 2
> sky2 eth0: addr 00:17:31:9b:ca:89
> sky2 eth0: enabling interface
> sky2 eth0: Link is up at 10 Mbps, half duplex, flow control none
> sky2 eth0: disabling interface
> sky2 eth0: enabling interface
> sky2 eth0: Link is up at 10 Mbps, half duplex, flow control none
> 
> Some where in between all this, it actually gets to the point where I
> totally loose my connection. Sometimes it will come back up and I'm
> perfectly fine.
> 
> If I can provide any other information please let me know.
> 
> Oh, been having this problem for some time now. Current version of the
> my kernel is 2.6.26.5.
> 
> --Greg

Haven't heard of this before. But since possibly a bad cable or PHY negotiation
problem.  You might also check for firmware update from motherboard vendor.
The message happens if a message gets stuck in the receive process and isn't
making progress. Does it happen under load?  Is this really a half duplex 10mbit
port or is it meant to be full duplex?
--
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