2.2.19ac-pre9 lo interface Broke

2.2.19ac-pre9 lo interface Broke

[Gordon Sadler]

Not sure how else to put it...

$ sudo ifup lo
SIOCSIFADDR: Bad file descriptor
lo: unknown interface: Bad file descriptor
lo: unknown interface: Bad file descriptor

$ ifconfig
eth0      Link encap:Ethernet  HWaddr 00:A0:C9:D9:21:B9
          inet addr:24.142.168.193  Bcast:255.255.255.255 Mask:255.255.254.0
		  UP BROADCAST RUNNING  MTU:1500  Metric:1
		  RX packets:8223 errors:0 dropped:0 overruns:0 frame:0
		  TX packets:7373 errors:0 dropped:0 overruns:0 carrier:0
		  collisions:3 txqueuelen:100
		  RX bytes:8241275 (7.8 Mb)  TX bytes:2271020 (2.1 Mb)
		  Interrupt:15 Base address:0x1000
		
Works just fine same box, same config with 2.2.18ac-pre24.

Debian tools: ifupdown 0.6.4-3 (ifup ifdown)
			  net-tools 1.58-1 (ifconfig)

Intel Etherexpress 10/100 eepro100
CONFIG_EEXPRESS_PRO100=y

Any ideas?

Please CC any replies.

Gordon Sadler
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Re: 2.2.19ac-pre9 lo interface Broke

[Gordon Sadler]

I have some further info here.
I performed strace on ifup -a and ifdown -a.

They aren't more than 4Kb each, but I'll cut and paste what appear to be
most relevant:

ifup.strace:
fork()                                  = 17974
wait4(17974, [WIFEXITED(s) && WEXITSTATUS(s) == 0], 0, NULL) = 17974
--- SIGCHLD (Child exited) ---
fork()                                  = 17976
wait4(17976, SIOCSIFADDR: Bad file descriptor
lo: unknown interface: Bad file descriptor
lo: unknown interface: Bad file descriptor
[WIFEXITED(s) && WEXITSTATUS(s) == 255], 0, NULL) = 17976
--- SIGCHLD (Child exited) ---

ifdown.strace:
munmap(0x40018000, 4096)                = 0
fork()                                  = 17989
wait4(17989, [WIFEXITED(s) && WEXITSTATUS(s) == 0], 0, NULL) = 17989
--- SIGCHLD (Child exited) ---
fork()                                  = 17991
wait4(17991, lo: unknown interface: Bad file descriptor
[WIFEXITED(s) && WEXITSTATUS(s) == 255], 0, NULL) = 17991
--- SIGCHLD (Child exited) ---

I think a better question would be, does anyone here have any ideas
where I might look to correcting this? Since it did not occur with same
tools under 2.2.18pre24, should I assume the kernel is at fault and look
there? Or maybe the eepro module code? I notice quite a bit of
discussion concerning this driver, but all (?) relating to 2.4.x

Can anyone point a finger?

Thanks
Gordon Sadler

Re: 2.2.19ac-pre9 lo interface Broke

[Alan Cox]

> I have some further info here.
> I performed strace on ifup -a and ifdown -a.

Unfortunately you traced the script execution and nothing more useful so
I cant tell.

Re: 2.2.19ac-pre9 lo interface Broke

[Scott Ashcroft]

Gordon Sadler wrote:
> 
> I have some further info here.
> I performed strace on ifup -a and ifdown -a.
> 
> They aren't more than 4Kb each, but I'll cut and paste what appear to be
> most relevant:
> 
> ifup.strace:
> fork()                                  = 17974
> wait4(17974, [WIFEXITED(s) && WEXITSTATUS(s) == 0], 0, NULL) = 17974
> --- SIGCHLD (Child exited) ---
> fork()                                  = 17976
> wait4(17976, SIOCSIFADDR: Bad file descriptor
> lo: unknown interface: Bad file descriptor
> lo: unknown interface: Bad file descriptor
> [WIFEXITED(s) && WEXITSTATUS(s) == 255], 0, NULL) = 17976
> --- SIGCHLD (Child exited) ---
[snip]
> 
> Can anyone point a finger?

Debian bug #85774
http://cgi.debian.org/cgi-bin/bugreport.cgi?archive=no&bug=85774

ifconfig broke, nothing to do with the kernel.

Cheers,
Scott

Re: 2.2.19ac-pre9 lo interface Broke

[Gordon Sadler]

Sorry for all the fuss, I've been reliably informed, I put my foot in my
own mouth...

It was my net-tools package from Debian -(. I missed the fact I upgraded
some packages same day I upgraded my kernel.

I'll drop off the list again now. Sorry for the bother.