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Re: Sarge/testing crashes on Mac Quadra 650



Finn Thain wrote:

On Tue, 31 Aug 2004, Erik C.J. Laan wrote:


Hi,

I've installed Sarge/testing on my Mac Quadra 650 succesfully with
Debian Installer RC1. Now I want to start using it to test (mac-fdisk
amongst others), but it crashes sometimes. These crashes seem to only
happen when I SSH into the machine. It does not matter whether I SSH
into it with PuTTY (0.52 and 0.55) or the Woody SSH client (with
security updates). First with the 2.2.25-mac kernel installed by D-I
only the network-connection was dropped, with no messages printed
anywere (console or serial debug output). With the 2.2.25 kernel from
the 2.2.25-2 deb it really crashes, but a message is printed:

Warning: kfree-skb passed an skb still on a list (from xxxxx)

This happen 2 times, the first time xxxxx was 000e4416, the second time
it was 000d3136.


I gather you are using the Q650 onboard ethernet? I've been digging in
the sonic code in the various repositories lately, and I ran accross this
change. It could be relevant, I don't know.

--- linux/drivers/net/sonic.c	2003/06/08 08:08:49	1.1.1.1.2.2
+++ linux/drivers/net/sonic.c	2003/07/21 21:11:35	1.1.1.1.2.3
@@ -223,7 +223,7 @@ static void sonic_interrupt(int irq, voi

 			/* We must free the original skb */
 			if (lp->tx_skb[entry]) {
-				dev_kfree_skb(lp->tx_skb[entry]);
+				dev_kfree_skb_irq(lp->tx_skb[entry]);
 				lp->tx_skb[entry] = 0;
 			}
 			/* and the VDMA address */

This change was committed to the m68k-2_4 branch. It doesn't appear in any
other m68k nor mac68k branches, nor debian 2.2.25 code. Perhaps it should?
Can anyone comment on whether this patch is more widely useful?

I can only confirm I'm using the onboard Sonic. I hope someone with knowledge of the ethernet driver can indeed tell us wheter this change should be in debian's 2.2.25 code too, and maybe even in 2.6.x? Forwarded this to the Linux/mac68k list too.

Thanks, Erik
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Erik C.J. Laan				elaan at dds.nl
Please reply below the message, please cut unrelevant pieces from a reply.
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