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Date: Wed, 24 Jan 2007 15:19:53 -0600 From: "Kilau, Scott" <Scott_Kilau@...i.com> To: <lsorense@...lub.uwaterloo.ca> Cc: <linux-kernel@...r.kernel.org> Subject: Re: Strange problem with tty layer Hi Len, > I am seeing a very strange problem which seems to be in the tty layer. > > I am using an exar 17D154 based PCI card (like the digi neo style card) > using the jsm driver. Kernel version 2.6.16.25. There are a couple interesting things I would do here. 1) The tty "flip" buffer stuff was changed in 2.6.16+. Maybe you could try going downwards to 2.6.15 or below and see if the problem still exists. Then try going up to 2.6.19, I believe there were some bugs fixed in 2.6.17/18/19, not sure how many of those made it backported into 2.6.16.25. 2) Try using Digi's "Out-Of-Kernel-Source-Tree"/GPL version of the driver. You can grab the latest and greatest beta version of it from here: ftp://ftp1.digi.com/support/beta/linux/dgnc/ Its in source rpm format, let me know if you need it in a tarball format instead. You obviously will have to add in your specific PCI id into the driver, but that should be a problem. 3) I seem to recall that someone mentioned that the Exar 17D154 PCI chips were easily "pushed" into the 8250 driver. It might be interesting to try that route as well. Scott Kilau - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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