QEMU

Bug #739785
Comment #75

Comment 75 for bug 739785

Revision history for this message

Justin Shafer (justinshafer) wrote on 2016-06-15: Re: [Bug 739785] Re: qemu-i386 user mode can't fork (bash: fork: Invalid argument)

#75

../qemu-0.14.0/i386-linux-user/qemu-i386 -L ./gnemul/qemu-i386 i386/ls -l
dummyfile

0.14.0??? I tried the latest qemu and it worked.. I forget the version..
1.XX something? I was able to run wine. It could also be your ld.so in
gnemul?

On Wed, Jun 15, 2016 at 7:41 AM, T. Huth <email address hidden> wrote:

> ** Changed in: qemu
> Status: Fix Committed => Fix Released
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/739785
>
> Title:
> qemu-i386 user mode can't fork (bash: fork: Invalid argument)
>
> Status in QEMU:
> Fix Released
> Status in qemu package in Debian:
> Fix Released
>
> 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
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/qemu/+bug/739785/+subscriptions
>

--
Justin Shafer
Onsite Dental Systems
7704 Sagebrush Ct. S.
North Richland Hills, TX. 76182
(817) 909-4222

../qemu-0.14.0/i386-linux-user/qemu-i386 -L ./gnemul/qemu-i386 i386/ls -l
dummyfile

0.14.0??? I tried the latest qemu and it worked.. I forget the version..
1.XX something? I was able to run wine. It could also be your ld.so in
gnemul?

On Wed, Jun 15, 2016 at 7:41 AM, T. Huth <739785@bugs.launchpad.net> wrote:

> ** Changed in: qemu
>        Status: Fix Committed => Fix Released
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/739785
>
> Title:
>   qemu-i386 user mode can't fork (bash: fork: Invalid argument)
>
> Status in QEMU:
>   Fix Released
> Status in qemu package in Debian:
>   Fix Released
>
> 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
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/qemu/+bug/739785/+subscriptions
>

-- 
Justin Shafer
Onsite Dental Systems
7704 Sagebrush Ct. S.
North Richland Hills, TX. 76182
(817) 909-4222