Re: [uml-devel] new skas3 patch ready for 2.4.25

[Nix <nix@esperi.org.uk>]

On Fri, 20 Feb 2004, BlaisorBlade informed the cosmos:
> Yes, it went away, so a new skas patch must be built. I have one (tested) at 
> http://www.user-mode-linux.org/~blaisorblade/

Alas:

Checking for the skas3 patch in the host...found
Checking for /proc/mm...found
Checking for /dev/anon on the host...Not available (open failed with errno 2)
Linux version 2.4.24-1um (compiler@loki) (gcc version 2.95.4 20010319 (prerelease)) #1 Wed Feb 18 22:58:16 GMT 
2004
On node 0 totalpages: 24576
zone(0): 24576 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: con=port:16380 con0=fd:0,fd:1 fakeide mem=96M ubd0=/mirror/uml/esperi-root-cow.image,/mirr
or/uml/esperi-root.image tty_log_dir=/home/firewall/log/esperi umid=esperi eth0=tuntap,tap0,00:60:97:79:E2:C1 e
th1=tuntap,tap1 root=/dev/ubd0
Calibrating delay loop... 465.30 BogoMIPS
Memory: 94412k available
Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
Inode cache hash table entries: 8192 (order: 4, 65536 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer cache hash table entries: 4096 (order: 2, 16384 bytes)
Page-cache hash table entries: 32768 (order: 5, 131072 bytes)
Checking for host processor cmov support...No
Checking for host processor xmm support...No
Checking that ptrace can change system call numbers...OK
Checking that host ptys support output SIGIO...Yes
Checking that host ptys support SIGIO on close...No, enabling workaround
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
VFS: Disk quotas vdquot_6.5.1
Journalled Block Device driver loaded
pty: 256 Unix98 ptys configured
Universal TUN/TAP device driver 1.5 (C)1999-2002 Maxim Krasnyansky
Initializing software serial port version 1
mconsole (version 2) initialized on /home/firewall/.uml/esperi/mconsole
Partition check:
 ubda: unknown partition table
Initializing stdio console driver
Netdevice 0 (00:60:97:79:e2:c1) : TUN/TAP backend - 
Netdevice 1 (00:60:97:79:e2:c1) : TUN/TAP backend - 
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 8192 bind 8192)
ip_conntrack version 2.1 (737 buckets, 5896 max) - 288 bytes per conntrack
ip_tables: (C) 2000-2002 Netfilter core team
ipt_recent v0.3.1: Stephen Frost <sfrost@snowman.net>.  http://snowman.net/projects/ipt_recent/
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NET4: Ethernet Bridge 008 for NET4.0
VFS: Mounted root (ext2 filesystem) readonly.
Kernel panic: switch_mm_skas - PTRACE_SWITCH_MM failed, errno = 5

That's -EIO.

(Of course, CONFIG_PROC_MM=y on the host and the host is running
2.4.25+skas-2.4.25.)

The identical UML binary is quite happy on 2.4.24; this email passed
through it.

-- 
`note to the crown prosecution service: Machine guns dont have a
 'stun' setting.' --- mjw


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