Error starting user-mode linux

[Oleg]

Hi,

When i trying to bootup user-mode linux, this message was appered:

Initializing stdio console driver
Failed to fcntl F_SETOWN (or F_SETSIG) fd 1 to pid 487, errno = 22
Failed to fcntl F_SETOWN (or F_SETSIG) fd 0 to pid 487, errno = 22
Initializing software serial port version 1
Failed to fcntl F_SETOWN (or F_SETSIG) fd 22 to pid 487, errno = 22
Failed to get IRQ for management console
Failed to fcntl F_SETOWN (or F_SETSIG) fd 26 to pid 487, errno = 22
um_request_irq failed - errno = -1

Any idea what this can be?

Oleg.

[Vincent Guffens]

Hi,

I add the same problem running 2.2.19 on the host and posted the question on uml-user, you can get the solution from there

http://www.geocrawler.com/archives/3/597/2002/1/0/

Here is the diff ( from the post ) :
Here's the small diff to fix the problem:

     **********************************************
     diff -pru linux-2.4.17/arch/um/kernel/irq_user.c linux.my/arch/um/kernel/irq_user.c
     --- linux-2.4.17/arch/um/kernel/irq_user.c      Tue Jan  8 16:35:03 2002
     +++ linux.my/arch/um/kernel/irq_user.c  Tue Jan  8 16:14:32 2002
     @@ -84,7 +84,7 @@ int activate_fd(int irq, int fd, void *d
                     return(-retval);
             }
             pid = cpu_tasks[0].pid;
     -       if(((retval = fcntl(fd, F_SETSIG, 0)) < 0) ||
     +       if(((retval = fcntl(fd, F_SETSIG, SIGIO)) < 0) ||
                ((retval = fcntl(fd, F_SETOWN, pid)) < 0)){
                     printk("Failed to fcntl F_SETOWN (or F_SETSIG) "
                            "fd %d to pid %d, errno = %d\n", fd, pid, errno);
     ***********************************************

Cheers