From: Xm Zhu <foolishzhu@yahoo.cn>
To: user-mode-linux-devel@lists.sourceforge.net
Subject: [uml-devel] Debug under Skas3 start_uml - start_userspace returned -22
Date: Sun, 23 Nov 2008 13:13:19 +0800 (CST) [thread overview]
Message-ID: <868058.36595.qm@web92202.mail.cnh.yahoo.com> (raw)
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HI
All
I have patched my linux host for ska3 and it can run under skas3 mode. However, when I gdb linux
i. I want to follow
r
ubd0=/home/jdike/roots/cow.debian,/home/jdike/roots/debian_22
con=port:9000 ssl=pty con0=fd:0,fd:1 umid=debian mem=128M
however, I do not the meaning of ubd0 ,since there is no cow.debian under my roots. I really do not know how to set these parameters.
So , I just put (after setting handle two signals)
r
It comes out
Starting program: ~/linux-2.6.27.6/linux
Locating the bottom of the address space ... 0x0
Locating the top of the address space ... 0xc0000000
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...found
- PTRACE_FAULTINFO...found
-
PTRACE_LDT...found
UML running in SKAS3 mode
[New LWP 7387]
[LWP 7387 exited]
start_uml - start_userspace returned -22
IS there anyone can help me?
thankyou
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