From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nuno Silva Subject: Re: 2.6.8-rc4-bk1 problem: unregister_netdevice: waiting for ppp0 to become free. Usage count = 1 Date: Fri, 13 Aug 2004 21:35:49 +0100 Sender: netdev-bounce@oss.sgi.com Message-ID: <411D2625.2070908@vgertech.com> References: <411BC284.6080807@vgertech.com> <20040813080334.GA13337@tentacle.sectorb.msk.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, netdev@oss.sgi.com Return-path: To: "Vladimir B. Savkin" In-Reply-To: <20040813080334.GA13337@tentacle.sectorb.msk.ru> Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Vladimir B. Savkin wrote: | On Thu, Aug 12, 2004 at 08:18:28PM +0100, Nuno Silva wrote: | |>Hi! |> |>With 2.6.8-rc4-bk1 I get "Aug 12 17:33:10 puma kernel: |>unregister_netdevice: waiting for ppp0 to become free. Usage count = 1" |>in the logs after pppd exit. |> |>Also, the box won't reboot and print that message forever in the |>console. sysrq-U && sysrq-R did it :-) |> |>The last version I tried was 2.6.8-rc2-bk11 and, wrt this prob, is |>running fine. So, the problem is in that window and the changelog for |>rc4 mentions something about ppp: |>http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.8-rc4 |> |>If someone requires more information or tests feel free to ask! | | | I saw this too, with 2.6.7-rc3-mm1. | I have discovered that it happens because of idle TCP socket | holds a reference to a network device. | After killing associated process, device was freed immediately. | I waited for 5 mins before sysrq-U && sysrq-R. Anyway, if I 'killall pppd' and then issue 'ifconfig -a' the ifconfig command will hang. This didn't happen with 2.6.8-rc2-bk11 (the one I'm running now), so something changed... I'm I the only one with ppp/pppd/pppoe who tried 2.6.8-rc4-bk1? :-) Any success reports? Regards, Nuno Silva -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.5 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFBHSYlOPig54MP17wRAs1NAJ0dMRd7tqnpRk/tnxZj7xSeoUL3UgCgrk50 tnzeT6sy3CauOI5WK7HF16o= =mkWf -----END PGP SIGNATURE-----