I have a Merlin U630 and get the same sort of thing about shared interrupts on Gutsy (2.6.22)
To get the card to work on my Laptop (HP dv1448ea) (915 chipset) I have to exclude the serial port ranges that the PCMCIA modem wants to use: /etc/pcmcia/config.opts: exclude port 0x2f8-0x2ff exclude port 0x3f8-0x3ff I still get the warnings from pcmcia but the the card works: [ 16.812000] pcmcia: request for exclusive IRQ could not be fulfilled. [ 16.812000] pcmcia: the driver needs updating to supported shared IRQ lines. [ 16.856000] 0.0: ttyS2 at I/O 0x3e8 (irq = 3) is a 16550A [ 16.856000] pcmcia: request for exclusive IRQ could not be fulfilled. [ 16.856000] pcmcia: the driver needs updating to supported shared IRQ lines. [ 16.896000] 0.1: ttyS3 at I/O 0x2e8 (irq = 3) is a 16550A Interestingly, on Windows XP there is a 'patch' that you have to install to make the card work that I expect does the same thing. Therefore, I think there is a hardware problem (i.e. a bug in the HP laptop hardware) with the PCI bridge to the PCMCIA slot which is preventing the serial ports on ISA 0x2f8, etc. from reaching the CPU and therefore, the PCMCIA code falls back to the other ports as specified by the CIS on the U630 card. Hope this helps somebody. Cheers Alex. -- PCMCIA modem gives IRQ error https://bugs.launchpad.net/bugs/79398 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs