On 01/05/2012 11:10 PM, Alfred von Campe wrote:
> I installed CentOS 6 on a Dell Optiplex 790 with a StarTech.com dual serial
> port card, and the serial ports aren't being recognized. According to dmesg,
> only the built-in serial port is being recognized:
>
> # dmesg | fgrep ttyS
> serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> 00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
>
> And lspci -v doesn't show that any drivers are loaded for it:
>
> # lspci -v
> [snip]
> 03:00.0 Serial controller: NetMos Technology PCIe 9922 Multi-I/O Controller (prog-if 02 [16550])
> Subsystem: Device a000:1000
> Flags: fast devsel, IRQ 16
> I/O ports at 2010 [size=8]
> Memory at e1a30000 (32-bit, non-prefetchable) [size=4K]
> Memory at e1a20000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
> Capabilities: [78] Power Management version 3
> Capabilities: [80] Express Legacy Endpoint, MSI 00
> Capabilities: [100] Virtual Channel<?>
> Capabilities: [800] Advanced Error Reporting
>
> 03:00.1 Serial controller: NetMos Technology PCIe 9922 Multi-I/O Controller (prog-if 02 [16550])
> Subsystem: Device a000:1000
> Flags: fast devsel, IRQ 17
> I/O ports at 2000 [size=8]
> Memory at e1a10000 (32-bit, non-prefetchable) [size=4K]
> Memory at e1a00000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+
> Capabilities: [78] Power Management version 3
> Capabilities: [80] Express Legacy Endpoint, MSI 00
> Capabilities: [100] Advanced Error Reporting
>
> What do I need to do to get these serial ports recognized? On some other
> CentOS 6 systems with StarTech.com serial cards they were automatically
> recognized (different hardware and not PCIe based).
>
Check this thread:
https://www.centos.org/modules/newbb/viewtopic.php?topic_id=34250
--
Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe
Google is the Mother, Google is the Father, and traceroute is your
trusty Spiderman...
StarOS, Mikrotik and CentOS/RHEL/Linux consultant
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