Ok, it seemed as though "ls" worked from "strace -ff -o ls-strace-
alignment-2.log chroot /i386 /usr/bin/qemu-i386 /bin/ls"
so I tried to execute the package manager:
[root@Plugbox ~]# chroot /i386 /usr/bin/qemu-i386 /usr/bin/pacman -Suy
qemu: Unsupported syscall: 240
:: Synchronizing package databases...
qemu: Unsupported syscall: 240
qemu: Unsupported syscall: 240
core 37.0K 166.6K/s 00:00:01 [######################] 100%
extra 466.9K 524.3K/s 00:00:01 [######################] 100%
community 446.5K 518.5K/s 00:00:01 [######################] 100%
:: The following packages should be upgraded first :
pacman
:: Do you want to cancel the current operation
:: and upgrade these packages now? [Y/n] Y
resolving dependencies...
looking for inter-conflicts...
Targets (1): pacman-3.5.3-1
Total Download Size: 0.82 MB
Total Installed Size: 2.78 MB
Proceed with installation? [Y/n] Y
:: Retrieving packages from core...
pacman-3.5.3-1-i686 840.0K 731.3K/s 00:00:02 [######################] 100%
checking package integrity...
(1/1) checking for file conflicts [######################] 100%
(1/1) upgrading pacman [######################] 100%
warning: /etc/pacman.conf installed as /etc/pacman.conf.pacnew
error: could not fork a new process (Invalid argument)
error: could not fork a new process (Invalid argument)
Still there's something going on with fork
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https://bugs.launchpad.net/bugs/739785
Title:
qemu-i386 user mode on ARMv5 host fails (bash: fork: Invalid argument)
Status in QEMU:
New
Bug description:
Good time of day everybody,
I have been trying to make usermode qemu on ARM with plugapps
(archlinux) with archlinux i386 chroot to work.
1. I installed arch linux in a virtuabox and created a chroot for it with
mkarchroot. Transferred it to my pogo plug into /i386/
2. I comiled qemu-i386 static and put it into /i386/usr/bin/
./configure --static --disable-blobs --disable-system
--target-list=i386-linux-user
make
3. I also compiled linux kernel 2.6.38 with CONFIG_BINFMT_MISC=y and
installed it.
uname -a
Linux Plugbox 2.6.38 #4 PREEMPT Fri Mar 18 22:19:10 CDT 2011 armv5tel
Feroceon 88FR131 rev 1 (v5l) Marvell SheevaPlug Reference Board GNU/Linux
4. Added the following options into /etc/rc.local
/sbin/modprobe binfmt_misc
/bin/mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc
echo
':qemu-i386:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03\x00:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfb\xff\xff\xff:/usr/bin/qemu-i386:'
>/proc/sys/fs/binfmt_misc/register
5. Also copied ld-linux.so.3 (actually ld-2.13.so because ld-
linux.so.3 is a link to that file) from /lib/ to /i386/lib/
6.Now i chroot into /i386 and I get this:
[root@Plugbox i386]# chroot .
[II aI hnve ao n@P /]# pacman -Suy
bash: fork: Invalid argument
7.I also downloaded linux-user-test-0.3 from qemu website and ran the test:
[root@Plugbox linux-user-test-0.3]# make
./qemu-linux-user.sh
[qemu-i386]
../qemu-0.14.0/i386-linux-user/qemu-i386 -L ./gnemul/qemu-i386 i386/ls -l
dummyfile
BUG IN DYNAMIC LINKER ld.so: dl-version.c: 210: _dl_check_map_versions:
Assertion `needed != ((void *)0)' failed!
make: *** [test] Error 127
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