From: Marcel Holtmann <marcel@holtmann.org>
To: O Plameras <oscarp@acay.com.au>
Cc: BlueZ Mailing List <bluez-users@lists.sourceforge.net>,
shemminger@osdl.org
Subject: [Bluez-users] Re: pand freezes upon disconnect
Date: Fri, 01 Oct 2004 09:53:56 +0200 [thread overview]
Message-ID: <1096617235.5403.3.camel@notepaq> (raw)
In-Reply-To: <415C8B5B.3060400@acay.com.au>
Hi,
> I made more tests. I put the results here hoping it
> might assist point to the problem.
>
> I found the ff:
>
> 1. Installed bluez NAP server on another Linux-2.6.8.1-mm4-mh2
> with nobridge-router-nofirewall-bluez. Result: When client
> disconnects the server does NOT FREEZE.
>
> 2. Installed bluez NAP server on various versions of
> Linux-2.6.8.1-mm4-mh1 && mh2; Linux-2.6.8.1-mh1 && mh2 on
> bridge-router-firewall-bluez.
>
> When client disconnects the server FREEZES in any combination.
>
> 3. Using any setup in item 2, I can disconnect a client without
> freezing the server if I disable bluetooth by "rmmod" up till
> uhci_hcd at the server first. Then, I reloaded the modules
> to restart pand server so I get the client reconnected
> successfully.
>
> With these processes, I got the following logs on the server:
>
> br0: port 3(bnep0) entering disabled state
> Debug: sleeping function called from invalid context at
> include/asm/semaphore.h:119
> in_atomic():1, irqs_disabled():0
> [<c011a45f>] __might_sleep+0x9f/0xb0
> [<c01841cb>] sysfs_hash_and_remove+0x2b/0x108
> [<ccaff5b8>] br_sysfs_removeif+0x18/0x20 [bridge]
> [<ccafc671>] br_del_if+0x31/0x56 [bridge]
> [<ccafd51a>] br_device_event+0xba/0xe0 [bridge]
> [<c01273a8>] notifier_call_chain+0x18/0x40
> [<c02c723e>] unregister_netdevice+0x13e/0x236
> [<c025a82f>] unregister_netdev+0xf/0x20
> [<cc974c00>] bnep_session+0x6f0/0x790 [bnep]
> [<c0105d32>] ret_from_fork+0x6/0x14
> [<c01197c0>] default_wake_function+0x0/0x10
> [<cc974510>] bnep_session+0x0/0x790 [bnep]
> [<c010429d>] kernel_thread_helper+0x5/0x18
I think this is a problem in the Linux bridge code. Please report this
to the bridge mailing list or the netdev mailing list.
Stephen, do you have an idea or a patch for it?
Regards
Marcel
-------------------------------------------------------
This SF.net email is sponsored by: IT Product Guide on ITManagersJournal
Use IT products in your business? Tell us what you think of them. Give us
Your Opinions, Get Free ThinkGeek Gift Certificates! Click to find out more
http://productguide.itmanagersjournal.com/guidepromo.tmpl
_______________________________________________
Bluez-users mailing list
Bluez-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bluez-users
next prev parent reply other threads:[~2004-10-01 7:53 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-22 11:46 [Bluez-users] pand freezes upon disconnect Bora
2004-09-22 12:36 ` Marcel Holtmann
2004-09-28 1:02 ` [Bluez-users] " O Plameras
2004-09-28 11:41 ` Marcel Holtmann
2004-08-31 23:06 ` O Plameras
2004-09-29 21:40 ` Marcel Holtmann
2004-09-30 22:40 ` O Plameras
2004-10-01 7:53 ` Marcel Holtmann [this message]
2004-10-01 18:28 ` Stephen Hemminger
2004-10-02 7:22 ` [Bluez-users] " Marcel Holtmann
2004-10-02 13:59 ` linux kernel to compile bluez Massimiliano Cuccia
2004-10-02 15:08 ` [Bluez-users] " Michal Semler
2004-10-02 15:16 ` Jouni.Lohikoski@iki.fi
2004-10-03 20:00 ` [Bluez-users] " Marcel Holtmann
2004-10-02 21:24 ` pand freezes upon disconnect O Plameras
2004-10-03 0:08 ` O Plameras
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1096617235.5403.3.camel@notepaq \
--to=marcel@holtmann.org \
--cc=bluez-users@lists.sourceforge.net \
--cc=oscarp@acay.com.au \
--cc=shemminger@osdl.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox