On Fri, 2006-11-10 at 22:18 -0500, Gene Heskett wrote: > On Friday 10 November 2006 18:35, Ashwin Ganti wrote: > >Hi, > > > >We are having trouble with detecting the serial port > >in Fedora Core 6. > > > >When I type the following command: > >setserial -g /dev/ttyS* > > > >I get the following message: > > > >Cannot get serial info: Invalid argument > >/dev/ttyS1: No such device or address > >/dev/ttyS2: No such device or address > >/dev/ttyS3: No such device or address > > > >However I tried this on two other machines running > >Fedora core 4 and Fedora core 5 and both were able to > >detect the serial port > >A typical result is > >/dev/ttyS0, UART: 16550A, Port: 0x03f8, IRQ: 4 > >/dev/ttyS1, UART: unknown, Port: 0x02f8, IRQ: 3 > >/dev/ttyS2, UART: unknown, Port: 0x03e8, IRQ: 4 > >/dev/ttyS3, UART: unknown, Port: 0x02e8, IRQ: 3 > > > >We are not sure if this is a problem with Fedora Core > >6. > > > >Does anyone know how to fix this issue on Fedora 6? > >Any help would be greatly appreciated. > > > >Thanks. > > Aha! So I'm not alone. It appears there is a multilegged thing called a > bug in the present kernel. Let me make a couple of observations re the > config for 2.6.18-1.2798.fc6xen. I looked at it with a make xconfig, > thinking I might rebuild it, and found with grep: > > [root@coyote 2.6.18-1.2798.fc6-i586]# grep SER .config > CONFIG_SERIO=y > CONFIG_SERIO_I8042=y > CONFIG_SERIO_SERPORT=y > # CONFIG_SERIO_CT82C710 is not set > # CONFIG_SERIO_PARKBD is not set > # CONFIG_SERIO_PCIPS2 is not set > CONFIG_SERIO_LIBPS2=y > CONFIG_SERIO_RAW=m > CONFIG_SERIAL_NONSTANDARD=y > # CONFIG_ESPSERIAL is not set > CONFIG_SERIAL_8250=y > CONFIG_SERIAL_8250_CONSOLE=y > CONFIG_SERIAL_8250_PCI=y > CONFIG_SERIAL_8250_PNP=y > CONFIG_SERIAL_8250_CS=m > CONFIG_SERIAL_8250_NR_UARTS=32 <--------WTH? > CONFIG_SERIAL_8250_RUNTIME_UARTS=4 <----WTH? > CONFIG_SERIAL_8250_EXTENDED=y > CONFIG_SERIAL_8250_MANY_PORTS=y > CONFIG_SERIAL_8250_SHARE_IRQ=y > CONFIG_SERIAL_8250_DETECT_IRQ=y > CONFIG_SERIAL_8250_RSA=y > # CONFIG_SERIAL_8250_FOURPORT is not set > # CONFIG_SERIAL_8250_ACCENT is not set > # CONFIG_SERIAL_8250_BOCA is not set > # CONFIG_SERIAL_8250_HUB6 is not set > CONFIG_SERIAL_CORE=y > CONFIG_SERIAL_CORE_CONSOLE=y > CONFIG_SERIAL_JSM=m > # CONFIG_SND_SERIAL_U16550 is not set > > Now, I snipped the USB stuff back out. And, note that the 8250 is set for > 32 of them, with 4 being the default. My working kernel is 2 & 2 there. > I think I need a beer, coffee isn't working anymore :) > > Can we file a bug? ---- perhaps you should try to absorb the information from Mikkel's post first - the one that you seemingly have ignored, not the one you already responded to. Craig