Bug#311820: ioctl(fd, SIOCGMIIPHY,...) causes hard freeze before first ifconfig up

2006-04-28 Thread Jurij Smakov 

Hi Marcin,

There is an upstream bug describing the same problem:

http://bugzilla.kernel.org/show_bug.cgi?id=5624

I've checked that the 2.6.16 kernel which is currently in unstable 
contains the fix to the b44 driver described there. I'd appreciate if 
you could test it and close the bug if it works.


Thanks,

Jurij Smakov[EMAIL PROTECTED]
Key: http://www.wooyd.org/pgpkey/   KeyID: C99E03CC


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Bug#311820: ioctl(fd, SIOCGMIIPHY,...) causes hard freeze before first ifconfig up

2005-06-03 Thread Marcin Owsiany 
Package: kernel-image-2.6.11-1-686
Version: 2.6.11-5
Severity: normal

I was experimenting with ifupdown's mapping feature to autodetect the
network my laptop is connected currently before bringing the interface
up, and have found the following problem:

Invoking mii-tool eth0 before the first ifconfig eth0 up run causes
the system to freeze (HW reset required). It also seems that if I skip
the mii-tool eth0 on bootup, it freezes later when starting up exim4,
although I did not investigate that exim4 case.

Stracing mii-tool revealed that the system freezes during the ioctl
call:

socket(PF_INET, SOCK_DGRAM, IPPROTO_IP) = 3
ioctl(3, SIOCGMIIREG, 

the call never returns.

However bringing the interface up before, makes mii-tool run OK. Also
bringing it up and down again makes mii-tool run OK. It looks like
something gets initialized in the kernel only on ifconfig up, and
running mii-tool before that makes the system go into some kind of
infinite loop.

I'm using Broadcom 4400 10/100BaseT NIC on HP/Compaq nx6110
I'll submit a dmesg and othe stuff as a followup once I get this laptop
online. (I'm submitting this bug from a different machine).

Marcin

-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.11-1-k7
Locale: LANG=pl_PL, LC_CTYPE=pl_PL (charmap=ISO-8859-2)


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