On Thu, May 17, 2007 at 10:20:10PM +0200, CIJOML wrote:
> Hi,
>
> with kernel 2.6.20 and 2.6.21 I have problem with my good old router
> Dell Dual P2 333MHz.
>
> Module 8250 getts loaded, but UPS driver is unable talk to UPS:
>
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
> eth0: setting full-duplex.
> eth1: setting full-duplex.
Looks like no serial ports were found?
> ttyS0: LSR safety check engaged!
> ttyS0: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
But something in userspace tried to add some, but they don't look like
a serial port - the LSR register contains an impossible value for a
serial port to be there.
> ttyS1: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
> ttyS1: LSR safety check engaged!
More attempts at trying to open the nonexistent serial port.
> Does anybody work on this problem or can help?
Please track down the last kernel version which worked.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
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