Linux 3.15: SPARC serial console regression
From: Aaro Koskinen
Date: Mon Jun 09 2014 - 17:07:55 EST
Hi,
While testing the final 3.15, I noticed the serial console (sunsab)
does not work anymore on Sun Ultra.
It will tx fine the console output during the boot. But then I try
to type something e.g. at the login: prompt, it behaves oddly:
it re-transmits some old output, and then stalls for a few secs, usually
for each character. Typed characters are however received correctly.
But the console is impossible to use...
I bisected this to:
717f3bbab3c7628736ef738fdbf3d9a28578c26c is the first bad commit
commit 717f3bbab3c7628736ef738fdbf3d9a28578c26c
Author: Seth Bollinger <sethb@xxxxxxxx>
Date: Tue Mar 25 12:55:37 2014 -0500
serial_core: Fix conditional start_tx on ring buffer not empty
A.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/