Are you still using devfs?

Ernie


> -----Original Message-----
> From: M Taha Masood [mailto:[EMAIL PROTECTED]
> Sent: Thursday, August 11, 2005 7:49 PM
> To: Ernie Fontes; user-mode-linux-user@lists.sourceforge.net
> Subject: [uml-user] ile: unable to allocate pty/tty pair
> 
> Ernie , your mail was helpful , with the help of your
> mail and some help from Jeff Dike at IRC , i got past
> this issue , till the point where now i come to the
> login prompt but then after giving the correct user
> name and password , it gives the error of "ile: unable
> to allocate pty/tty pair" see detail below
> anyone seen this ?
> thanks and regards
> Taha
> 
> --------------------------------------------------
> 
> ...Login as root.
> 
>  tty0 tomsrtbt login: root
> Password: ile rev.2.01
> 
> --> ile: unable to allocate pty/tty pair <-- ( SEE
> THIS )
> 
> Debug: sleeping function called from invalid context
> at include/asm/arch/semaphore.h:102
> arch/um/drivers/stdio_console.c:133:
> spin_lock(arch/um/drivers/line.c:a0255758) already
> locked by arch/um/drivers/line.c/474
> in_atomic():0, irqs_disabled():1
> a03c79d0:  [<a002e65b>] __might_sleep+0x9b/0xb8
> a03c7a00:  [<a0021ff5>] unregister_winch+0x15/0xa0
> a03c7a20:  [<a0021859>] line_close+0x145/0x174
> a03c7a30:  [<a0021726>] line_close+0x12/0x174
> a03c7a40:  [<a0121431>] release_dev+0x5fd/0x930
> a03c7a50:  [<a0017989>] set_signals+0x79/0x178
> a03c7a70:  [<a00178d9>] get_signals+0x15/0x4c
> a03c7a80:  [<a00178e7>] get_signals+0x23/0x4c
> a03c7b10:  [<a0121e00>] tty_release+0xc/0x14
> a03c7b30:  [<a008f18b>] __fput+0x103/0x140
> a03c7b60:  [<a008d235>] filp_close+0x41/0x7c
> a03c7b70:  [<a0035739>] exit_mm+0x125/0x244
> a03c7b80:  [<a0035150>] put_files_struct+0x68/0xdc
> a03c7bb0:  [<a003635b>] do_exit+0x1c3/0x768
> a03c7bd0:  [<a008df3b>] sys_write+0x3b/0x68
> a03c7bf0:  [<a003692c>] next_thread+0x0/0xc
> a03c7bfc:  [<a01c15f7>] sigemptyset+0x17/0x30
> a03c7c00:  [<a001c361>] execute_syscall_tt+0xc5/0xd8
> a03c7c80:  [<a001c397>] syscall_handler_tt+0x23/0x40
> a03c7ca0:  [<a001d323>]
> sig_handler_common_tt+0xf3/0x148
> a03c7cb0:  [<a001d315>]
> sig_handler_common_tt+0xe5/0x148
> a03c7ce0:  [<a001bcf2>]
> finish_fork_handler+0x13e/0x16c
> a03c7d00:  [<a0027252>] sig_handler+0x1e/0x38
> a03c7d20:  [<a01c12f8>] __restore+0x0/0x8
> 
> 
> 
> --------------------------------------------------
> 
> --- Ernie Fontes <[EMAIL PROTECTED]> wrote:
> 
> > I had a similar problem.
> > Here's how I fixed it:
> >
> > 1) Boot your UML with this option added on the
> > command line: init=/bin/sh
> > 2) That should allow you to poke around in /dev.
> > Check for terminals (eg.
> > tty0, tty1, tty/0, tty/1).
> > 3) If there are none, and if you are using DevFS -
> > which I suspect you are -
> > you could use the vc/0, vc/1, etc. terminals, but I
> > would recommend this:
> > 4) Recompile UML without DevFS.
> > 5) If you recompiled, go back to step 2 and poke
> > around again.  Either way,
> > find which terminals you should be using, then halt
> > the VM.
> > 6) mount -o loop root_fs /mnt               # or whatever you
> > call it.
> > 7) vi /mnt/etc/inittab
> > 8) scroll down to the section that looks something
> > like:
> > 1:2345:/sbin/mingetty tty1
> > 9) comment those entries out and make a new entry
> > for the terminal you
> > picked in /dev.  For instance, if I discovered that
> > tty0 was available and
> > decided that I wanted to call this entry c1, my
> > entry would look something
> > like this:
> > c1:2345:/sbin/mingetty tty0
> > 10) unmount and boot, should work now.  If you get
> > problems with loading the
> > filesystem, you might need to go tweak around in the
> > guest filesystem's
> > /etc/fstab.
> >
> > Hope it helps, worked for me,
> >
> > Ernie
> >
> >
> >
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