Messages in this thread | | | Date | Mon, 6 Mar 2000 09:05:10 -0600 (CST) | From | Bruce Tenison <> | Subject | Re: [linux-usb] Re: Bad skb and hard irq messages with 2.3.49, PPP, USB modem |
| |
Do you have netfilter turned on? I turned it off here, and these messages disappeared!
Bruce
> On Mon, Mar 06, 2000 at 02:56:56PM +0100, Jamie Lokier wrote: > > My log just filled up. Lots and lots of dubious messages about bad skbs > > and hard IRQs. It's a ppp link that worked fine with 2.3.40. > > I just upgraded from 2.3.47 to 2.3.49 and now I'm being flooded > as well with messages like these: > > ] Mar 6 09:38:47 localhost kernel: ip_local_deliver: bad loopback skb: > ] Mar 6 09:38:47 localhost kernel: skb: pf=2 (unowned) dev=lo len=60 > ] Mar 6 09:38:47 localhost kernel: PROTO=17 127.0.0.1:1031 127.0.0.1:512 L=60 S=0x00 I=0 F=0x4000 T=64 > ] Mar 6 09:38:47 localhost kernel: ip_finish_output: bad owned skb = c7fa7920: > ] Mar 6 09:38:48 localhost kernel: skb: pf=2 (owned) dev=lo len=88 > ] Mar 6 09:38:48 localhost kernel: PROTO=1 127.0.0.1:0 127.0.0.1:0 L=88 S=0xC0 I=0 F=0x4000 T=255 > ] Mar 6 09:38:48 localhost kernel: ip_local_deliver: bad loopback skb: > ] Mar 6 09:38:48 localhost kernel: skb: pf=2 (unowned) dev=lo len=88 > ] Mar 6 09:38:48 localhost kernel: PROTO=1 127.0.0.1:0 127.0.0.1:0 L=88 S=0xC0 I=0 F=0x4000 T=255 > ] Mar 6 09:39:26 localhost kernel: ip_local_deliver: bad non-lo skb: > ] Mar 6 09:39:26 localhost kernel: skb: pf=2 (unowned) dev=eth0 len=40 > ] Mar 6 09:39:26 localhost kernel: PROTO=6 141.166.179.88:1323 130.205.0.20:80 L=40 S=0x00 I=48398 F=0x4000 T=117 > ] Mar 6 09:39:26 localhost kernel: ip_finish_output: bad owned skb = c137ff20: > ] Mar 6 09:39:26 localhost kernel: skb: pf=2 (owned) dev=eth0 len=40 > ] Mar 6 09:39:26 localhost kernel: PROTO=6 130.205.0.20:80 141.166.179.88:1323 L=40 S=0x00 I=0 F=0x4000 T=255 > > I may have to drop back before I fill my var spool system. It's > accumulating at a frightening rate. > > > The hard IRQ might be because I'm using a USB modem. I think the USB > > ACM driver might be calling ppp code from irq context which is called > > from bh context by the standard serial driver. > > I'm not using a USB modem and I'm not seeing the "hard IRQ" messages. > I am using a USB mouse, but I don't think that has anything to do with the > bad skb messages for eth0 and lo0. I'm not using PPP on this system. > > > -- Jamie > > > > Mar 5 23:55:20 thefinal kernel: ip_local_deliver: bad non-lo skb: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (unowned) dev=ppp0 len=96 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 137.138.38.126:22 213.228.27.210:1033 L=96 S=0x10 I=37133 F=0x4000 T=50 > > Mar 5 23:55:20 thefinal kernel: ip_finish_output: bad owned skb = c2123180: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (owned) dev=ppp0 len=52 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 213.228.27.210:1033 137.138.38.126:22 L=52 S=0x10 I=0 F=0x4000 T=64 > > Mar 5 23:55:20 thefinal kernel: Warning: kfree_skb on hard IRQ c4a9de69 > > Mar 5 23:55:20 thefinal kernel: ip_local_deliver: bad non-lo skb: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (unowned) dev=ppp0 len=64 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 137.138.38.126:22 213.228.27.210:1033 L=64 S=0x10 I=37134 F=0x4000 T=50 > > Mar 5 23:55:20 thefinal kernel: ip_finish_output: bad owned skb = c2123600: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (owned) dev=ppp0 len=52 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 213.228.27.210:1033 137.138.38.126:22 L=52 S=0x10 I=0 F=0x4000 T=64 > > Mar 5 23:55:20 thefinal kernel: ip_finish_output: bad owned skb = c3ea03e0: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (owned) dev=ppp0 len=64 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 213.228.27.210:1033 137.138.38.126:22 L=64 S=0x08 I=0 F=0x4000 T=64 > > Mar 5 23:55:20 thefinal kernel: ip_local_deliver: bad non-lo skb: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (unowned) dev=ppp0 len=54 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 137.138.38.126:4241 213.228.27.210:79 L=54 S=0x00 I=37135 F=0x4000 T=50 > > Mar 5 23:55:20 thefinal kernel: ip_finish_output: bad owned skb = c2123300: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (owned) dev=ppp0 len=52 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 213.228.27.210:79 137.138.38.126:4241 L=52 S=0x00 I=0 F=0x4000 T=64 > > Mar 5 23:55:20 thefinal kernel: ip_finish_output: bad owned skb = c2123300: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (owned) dev=ppp0 len=392 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 213.228.27.210:79 137.138.38.126:4241 L=392 S=0x00 I=0 F=0x4000 T=64 > > Mar 5 23:55:20 thefinal kernel: ip_finish_output: bad owned skb = c2123000: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (owned) dev=ppp0 len=52 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 213.228.27.210:79 137.138.38.126:4241 L=52 S=0x00 I=0 F=0x4000 T=64 > > Mar 5 23:55:20 thefinal kernel: Warning: kfree_skb on hard IRQ c4a9de69 > > Mar 5 23:55:20 thefinal kernel: Warning: kfree_skb on hard IRQ c4a9de69 > > Mar 5 23:55:20 thefinal kernel: ip_local_deliver: bad non-lo skb: > > Mar 5 23:55:20 thefinal kernel: skb: pf=2 (unowned) dev=ppp0 len=52 > > Mar 5 23:55:20 thefinal kernel: PROTO=6 137.138.38.126:22 213.228.27.210:1034 L=52 S=0x10 I=37136 F=0x4000 T=50 > > Mike > -- > Michael H. Warfield | (770) 985-6132 | mhw@WittsEnd.com > (The Mad Wizard) | (770) 331-2437 | http://www.wittsend.com/mhw/ > NIC whois: MHW9 | An optimist believes we live in the best of all > PGP Key: 0xDF1DD471 | possible worlds. A pessimist is sure of it! > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: linux-usb-unsubscribe@suse.com > For additional commands, e-mail: linux-usb-help@suse.com >
Bruce Tenison btenison@dibbs.net
Public Key available at: http://www.keyserver.net
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |