Bug#296721: marked as done (kernel-source-2.6.10: a third instance of unregister_netdevice: waiting for eth0 to become free. Usage count = <integer>)
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and subject line unregister_netdevice: waiting for ... to become free
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Date: Thu, 24 Feb 2005 12:06:12 +0200
From: Juha =?ISO-8859-15?Q?J=E4ykk=E4?= <juhaj@iki.fi>
Subject: kernel-source-2.6.10: a third instance of unregister_netdevice:
waiting for eth0 to become free. Usage count = <integer>
To: Debian Bug Tracking System <submit@bugs.debian.org>
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Package: kernel-source-2.6.10
Version: 2.6.10-5
Severity: important
I am experiencing the same symptoms as bugs #291029, #290964 and #291940. This time the device
is just an ordinary eth0 (happens to be a prism54) - no tunnels, bridges or anything. I even
removed all IPv6- and tunneling support from the kernel (that's why my kernel is not Debian's
own kernel-image - the .config is identical except swsusp is turned on and the forementioned
parts off).
This happens almost every time there is a network connection established when I try to ifdown
the interface or remove the pccard or unload the module. I say almost: it looks like only ssh
connections and actively refreshed http-connections actually make this happen. Perhaps those
queues' Recv-Q or Send'Q are non-empty? (A connection established means here that netstat says
it's established.)
The problem sometimes goes away by terminating the offending process - if I can find which one
it is. This does not happen every time, though.
Shutting down works fine, since the processes are terminated before ifdown is run. The problem
is that using ACPI sleep states (swsusp, S3, hibernate etc) take ethernet devices down first
and hang there - with the line in subject.
-- System Information:
Debian Release: 3.1
APT prefers unstable
APT policy: (999, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.10+juhaj+v1.7
Locale: LANG=C, LC_CTYPE=fi_FI@euro (charmap=ISO-8859-15)
Versions of packages kernel-source-2.6.10 depends on:
ii binutils 2.15-5 The GNU assembler, linker and bina
ii bzip2 1.0.2-5 high-quality block-sorting file co
ii coreutils [fileutils] 5.2.1-2 The GNU core utilities
ii fileutils 5.2.1-2 The GNU file management utilities
-- no debconf information
---------------------------------------
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Date: Fri, 12 Aug 2005 12:30:15 +0200
From: Maximilian Attems <debian@sternwelten.at>
To: 290964-done@bugs.debian.org, 291940-done@bugs.debian.org,
296721-done@bugs.debian.org
Subject: Re: unregister_netdevice: waiting for ... to become free
Message-ID: <20050812103015.GN30206@baikonur.stro.at>
References: <[🔎] 20050812091928.GH30206@baikonur.stro.at> <[🔎] 200508121254.41034.debian-reportbug@sammal.pp.fi>
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On Fri, Aug 12, 2005 at 12:54:41PM +0300, Jukka Suomela wrote:
> On Friday 12 August 2005 12:19, Maximilian Attems wrote:
> > can you still reproduce this bug with newer linux kernel images,
> > like the linux image 2.6.12?
>
> If I remember right, I never saw this problem with 2.6.11 kernel images
> from Debian unstable. It just happened on 2.6.10.
>
> I am sorry I do not have the same network setup any more, so I cannot
> tell what would have happened with 2.6.12. Anyway, 2.6.12 works fine on
> my current system.
>
> Best regards,
> Jukka Suomela
thanks to all your feedback.
indeed the sent patch went in before 2.6.12.
closing therefor.
--
maks
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