On Saturday 12 January 2013 10:58:12 Richard Weinberger wrote:
> Am Sat, 12 Jan 2013 09:55:05 +0000
>
> schrieb "Dave (Bob)" <d...@bob-the-boat.me.uk>:
> > Maybe someone can help me with this...
> >
> > I have been trying to tie down an issue that I have with "UML Network
> > Related Crashing" so that Richard can reproduce my problem.
> >
> > I am currently trying to use both a 32 bit UML and a 64 bit UML to run
> > Debian root filesystems, 32 bit and 64 bit respectively.
> >
> > I am running on a 64 bit machine, with 64 bit kernel incorporating 32
> > bit compatibility.
> >
> > The 32 bit environment that I am working in for the compilation of 32
> > bit UML kernels and running them is a place to which I bind
> > mount /dev, /sys, /proc to their primary locations; chroot to the top
> > of this structure; execute 'linux32'; and then work as though I was
> > on a 32 bit machine.
> >
> > When I try to run the 32 bit UML kernel with the 32 bit Debian root
> > filesystem image, it boots to the login prompt, but I can't type
> > anything at the prompt. The UML kernel is displaying messages:
> >
> > "Couldn't grant pty - errno = -2"
>
> Please show us the full boot log.
> Maybe something else failed.
>
> Thanks,
> //richard
Richard,
Boot log below.
'startup' is:
../vmlinux-3.8.0-rc3-um32-def \
root=/dev/ubda \
eth0=tuntap,tap1 \
eth1=mcast \
ubd0=../Debian-Squeeze-x86-root_fs \
ubd1=swap_fs \
mem=512M \
umid=DEB1
-sh-4.2# ./startup
Locating the bottom of the address space ... 0x0
Locating the top of the address space ... 0xffffd000
Core dump limits :
soft - 0
hard - NONE
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...OK
Checking advanced syscall emulation patch for ptrace...OK
Checking for tmpfs mount on /dev/shm...OK
Checking PROT_EXEC mmap in /dev/shm/...OK
Checking for the skas3 patch in the host:
- /proc/mm...not found: No such file or directory
- PTRACE_FAULTINFO...not found
- PTRACE_LDT...not found
UML running in SKAS0 mode
Adding 32870400 bytes to physical memory to account for exec-shield gap
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Linux version 3.8.0-rc3-um32-def (root@vault01) (gcc version 4.7.2 (GCC) ) #1
Fri Jan 11 09:13:28 UTC 2013
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 138010
Kernel command line: root=/dev/ubda eth0=tuntap,tap1 eth1=mcast
ubd0=../Debian-Squeeze-x86-root_fs ubd1=swap_fs mem=512M
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 511712k available
NR_IRQS:15
Calibrating delay loop... 7441.61 BogoMIPS (lpj=37208064)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
Initializing cgroup subsys cpuacct
Initializing cgroup subsys devices
Initializing cgroup subsys freezer
Initializing cgroup subsys blkio
Checking for host processor cmov support...Yes
check_one_sigio failed, errno = 2
check_one_sigio failed, errno = 2
devtmpfs: initialized
Using 2.6 host AIO
NET: Registered protocol family 16
bio: create slab <bio-0> at 0
Switching to clocksource itimer
NET: Registered protocol family 2
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP: reno registered
UDP hash table entries: 512 (order: 1, 8192 bytes)
UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
NET: Registered protocol family 1
mconsole (version 2) initialized on /home/root/.uml/DEB1/mconsole
Checking host MADV_REMOVE support...OK
Host TLS support detected
Detected host type: x86_64 (GDT indexes 12 to 15)
VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
msgmni has been set to 999
io scheduler noop registered
io scheduler deadline registered (default)
TCP: cubic registered
NET: Registered protocol family 17
Initialized stdio console driver
Console initialized on /dev/tty0
console [tty0] enabled
Initializing software serial port version 1
Configured mcast device: 239.192.168.1:1102-1
Choosing a random ethernet address for device eth1
Netdevice 1 (2e:79:6e:ed:c9:79) :
mcast backend multicast address: 239.192.168.1:1102, TTL:1
console [mc-1] enabled
ubda: unknown partition table
ubdb: unknown partition table
Choosing a random ethernet address for device eth0
Netdevice 0 (fa:06:fd:53:63:53) :
TUN/TAP backend -
EXT4-fs (ubda): mounting ext3 file system using the ext4 subsystem
EXT4-fs (ubda): mounted filesystem with ordered data mode. Opts: (null)
VFS: Mounted root (ext3 filesystem) readonly on device 98:0.
devtmpfs: mounted
modprobe: FATAL: Could not load /lib/modules/3.8.0-rc3-um32-def/modules.dep:
No such file or directory
INIT: version 2.88 booting
Using makefile-style concurrent boot in runlevel S.
Starting the hotplug events dispatcher: udevdudev[273]: starting version 164
.
Synthesizing the initial hotplug events...done.
Waiting for /dev to be fully populated...udevd-work[284]: kernel-provided name
'hw_random' and NAME= 'hwrng' disagree, please use SYMLINK+= or change the
kernel to provide the proper name
done.
Activating swap...done.
EXT4-fs (ubda): re-mounted. Opts: (null)
Cleaning up ifupdown....
Setting up networking....
Loading kernel modules...done.
Activating lvm and md swap...done.
Checking file systems...fsck from util-linux-ng 2.17.2
done.
Mounting local filesystems...failed.
Activating swapfile swap...done.
Cleaning up temporary files....
Configuring network interfaces...Internet Systems Consortium DHCP Client
4.1.1-P1
Copyright 2004-2010 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/eth0/fa:06:fd:53:63:53
Sending on LPF/eth0/fa:06:fd:53:63:53
Sending on Socket/fallback
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPNAK from 10.0.1.253
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
DHCPOFFER from 10.0.1.253
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPACK from 10.0.1.253
bound to 10.168.1.45 -- renewal in 109556 seconds.
done.
Cleaning up temporary files....
Setting kernel variables ...done.
INIT: Entering runlevel: 2
Using makefile-style concurrent boot in runlevel 2.
Starting enhanced syslogd: rsyslogd.
Starting periodic command scheduler: cron.
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
Registering fd 0 twice
Irqs : 2, 6
Ids : 0x298a3360, 0x298fbde0
Debian GNU/Linux 6.0 DEB1-32 tty0
DEB1-32 login: get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
get_pty : Couldn't grant pty - errno = -2
open_pts : Failed to open pts
INIT: Id "s0" respawning too fast: disabled for 5 minutes
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