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SubjectRe: 2.5.44 serial driver bug with asus pr-dls m/b
OK;

Previously described behavior is with remote console = ENABLED in the bios.
Changing to remote console = POST ONLY in the bios, (and disabling 2nd
serial port which doesn't have a DB9 anyway) I get

Serial: 8250/16550 driver $Revision: 1.90 $ IRQ sharing disabled
ttyS0: autoconf (0x03f8, 0x00000000): iir=3 iir1=6 iir2=6 type=16550A
tts/0 at I/O 0x3f8 (irq = 4) is a 16550A
ttyS1: autoconf (0x02f8, 0x00000000): IER test failed (ff, ff) type=unknown
ttyS2: autoconf (0x03e8, 0x00000000): IER test failed (ff, ff) type=unknown
ttyS3: autoconf (0x02e8, 0x00000000): IER test failed (ff, ff) type=unknown
Which looks good to me. And I get some serial console output from the
kernel as it boots, but only upto...

.
.
Serial: 8250/16550 driver $Revision: 1.90 $ IRQ sharing disabled
ttyS0: autoconf (0x03f8, 0x00000000): :^
...where the serial output hangs. I presume the serial driver does
something to the hardware which breaks the serial console output. The
kernel does however proceed and boot normally. I'm using the kernel
parameters
console=ttyS0,115200n8 console=tty0

Comments?

Andrew Walrond

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