Messages in this thread | | | Date | Wed, 26 Mar 2003 11:34:37 -0800 | From | Greg KH <> | Subject | Re: kernel BUG at sched.c:564! (2.4.20, 2.4.21-pre5-ac3) |
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On Wed, Mar 26, 2003 at 07:25:20PM +0000, Chris Sykes wrote: > > I seem to have worked around it for now. I've jumpered the hardware > to stop it from echoing what you transmit back locally and all seems > OK now.
Good.
> > Can you test 2.5 to see if this is fixed there for you or not? > > I can test it yes, but 2.5 may be a bit too unstable for our > production use ATM.
I understand.
> Anyway I'll test out a 2.5 kernel when I'm back in the office > tomorrow, I can devote some time to tracking down the problem if you > can give me some pointers on where to start. I'd like to be able to > feel confident that this will work reliably under 2.4, otherwise I > guess I need to look for alternate solutions.
The problem is in the race on close() in the usb-serial.c code. In 2.5 that logic has been rewritten to (hopefully) get rid of the race. That is what will need to be backported, once people test that this fixes the issue.
thanks,
greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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