On Fri, 21 Sep 2007, Andrew Morton wrote:
> It would be useful to have some basic information like: Which kernel
> version was this found in? Which kernel version last worked?
The kernel used was a 2.6.23-rc5 snapshot from Sep 4th, 2007 taken from
the linux-mips.org tree (as stated by the revision of the patch provided).
There is no version that can be considered working as the change to add
the printk() to register_console() went in before drivers/serial/zs.c was
added and the old drivers/tc/zs.c driver might have been to sloppy to
handle such bits as the transmitter enable properly. I may investigate.
Chances are nobody tried any version of the kernel from the period
between the printk() was added and drivers/tc/zs.c removed with the
DECstation; I have not.
Anyway, I did confirm keeping the transmitter enabled all the time makes
the problem go away.
Maciej
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