Messages in this thread | | | Date | Thu, 15 May 2008 20:17:37 +0200 | From | Pavel Machek <> | Subject | Re: 2.6.26-rc1: warnings from sysfs, bluetooth related |
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Hi!
> > I'm getting these from rfcomm... > > > Are you sure it's a regression?
No, I'm not sure it is an regression. I have not seen it in a while, and I seen it on -rc1. It does not seem to be too repeatable.
> Dont know if it's same bug as BUG 10341. I just describe the problem > in bug 10341: > > While a rfcomm device is opened more than once, the BUG 10341 can be triggered. > > rfcomm dev reference will be held for every rfcomm_tty_open, but release_dev > will hangup the tty and release the dev number for free use without > judge the dev->opened. > > rfcomm_dev_state_change and rfcomm_tty_hangup could del the rfcomm dev > as well, the problem is similar as above. > > If the create_dev called before the last tty_close, sysfs will > warning and create will fail. > > I have a patch which don't hold the dev reference in rfcomm_tty_open, > but it need some review and test. > > please see: > http://bugzilla.kernel.org/attachment.cgi?id=15746 > > Marcel, do you have idea about this? or other solution?
Pavel
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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