[SOLVED] Problem running qemu on slackware 14.1 (32bit)

insectiod · 01-04-2014, 07:11 PM

Hi

I installed qemu from Slackbuilds without problems. As far as I can tell I have hardware support, and the necessary kernel modules:

Code:

>>>sudo lsmod | grep kvm
Password:
kvm_intel             119658  0
kvm                   311379  1 kvm_intel

>>>cat /proc/cpuinfo | grep vmx
shows vmx in flags

I follow the instructions here.

Code:

>>>qemu-system-i386 linux-0.2.img

qemu window starts, showing nothing. top shows qemu process running consuming less than 10% cpu.

Code:

>>>qemu-img create -f qcow2 slack.img 10G
Formatting 'slack.img', fmt=qcow2 size=10737418240 encryption=off cluster_size=65536 lazy_refcounts=off
>>>qemu-system-i386 -m 256 -hda slack.img -cdrom ../Downloads/slackware-14.1-iso/slackware-14.1-install-dvd.iso -boot d

Same thing as above, black screen.

Code:

>>>qemu-system-i386 --bios /usr/share/qemu/bios.bin -m 256 -hda slack.img -cdrom ../Downloads/slackware-14.1-iso/slackware-14.1-install-dvd.iso -boot d

Trying with another bios. This boots after several seconds but then hangs after displaying a message about No volume groups found. At this point I'm not sure if qemu hangs or if it's just really slow. So I try to explicitly enable kvm:

Code:

qemu-system-i386 --enable-kvm --bios /usr/share/qemu/bios.bin -m 256 -hda slack.img -cdrom ../Downloads/slackware-14.1-iso/slackware-14.1-install-dvd.iso -boot d

This also hangs immediately with a black screen.

Any tips on how to get qemu with kvm up and running? I would prefer to get it up and running with just qemu to start with, because trying to use libvirt gave me even more problems, and I think it's easier to troubleshoot with fewer programs involved.

Edit:
The version from slackbuilds i installed is 1.6.1.
I also tried to compile the latest version from git, 1.7.50. This also installed fine but gave me the same problems.

hemp4fuel · 01-04-2014, 07:44 PM

I had the same experience so I went back to using the qemu-kvm that alienbob has in his repo:

http://taper.alienbase.nl/mirrors/pe...ilds/qemu-kvm/

It is an older version, but works perfectly for me.

insectiod · 01-04-2014, 07:51 PM

Interesting, I'll try that. But if anyone has got the new qemu only version working please share how.

insectiod · 01-04-2014, 08:51 PM

Unfortunately the build script you linked doesn't compile for me on 14.1. What version of slackware are you running. The compile error is shown below. I installed vde2 version 2.3.2 from slackbuilds to satisfy the vde requirement.

Code:

 LINK  vscclient
/usr/lib/gcc/i486-slackware-linux/4.8.2/../../../../i486-slackware-linux/bin/ld: qemu-timer.o: undefined reference to symbol 'timer_settime@@GLIBC_2.2'
/usr/lib/gcc/i486-slackware-linux/4.8.2/../../../../i486-slackware-linux/bin/ld: note: 'timer_settime@@GLIBC_2.2' is defined in DSO /lib/librt.so.1 so try adding it to the linker command line
/lib/librt.so.1: could not read symbols: Invalid operation
collect2: error: ld returned 1 exit status
make: *** [vscclient] Error 1
  LINK  vscclient
/usr/lib/gcc/i486-slackware-linux/4.8.2/../../../../i486-slackware-linux/bin/ld: qemu-timer.o: undefined reference to symbol 'timer_settime@@GLIBC_2.2'
/usr/lib/gcc/i486-slackware-linux/4.8.2/../../../../i486-slackware-linux/bin/ld: note: 'timer_settime@@GLIBC_2.2' is defined in DSO /lib/librt.so.1 so try adding it to the linker command line
/lib/librt.so.1: could not read symbols: Invalid operation
collect2: error: ld returned 1 exit status
make: *** [vscclient] Error 1
install: cannot create regular file '/tmp/build/package-qemu-kvm/usr/bin/kvm_stat': No such file or directory
./qemu-kvm.SlackBuild FAILED at line 197

mostlyharmless · 01-04-2014, 09:10 PM

Hmm, I modified the Slackbuild.org file for qemu 1.60 to install 1.7.50 and it works.

hemp4fuel · 01-04-2014, 09:13 PM

Quote:

Originally Posted by insectiod

Unfortunately the build script you linked doesn't compile for me on 14.1. What version of slackware are you running. The compile error is shown below. I installed vde2 version 2.3.2 from slackbuilds to satisfy the vde requirement.

I just installed his premade packages in 14.1.

willysr · 01-04-2014, 09:34 PM

Try update your cairo package using the one in current
It worked here on my machine

insectiod · 01-05-2014, 09:05 AM

Thanks! Installing cairo from current fixed the problem. Just out of curiosity, how did you figure this out? I would like to become better at fixing these kind of problems myself.

If anyone else has similar problems, here are slightly more detailed steps.
Install cairo 1.12.16 from current.
Use qemu from slackbuilds but modify version to 1.7.0
Download qemu-1.7.0.tar.bz from here

Edit:
1.7.50 from git also works with newer cairo.

ponce · 01-05-2014, 09:51 AM

using 1.7.0 is not mandatory: it's the cairo upgrade (it has been rebuilt omitting some options that broke qemu) that matters.

willysr · 01-05-2014, 10:16 AM

Quote:

Originally Posted by insectiod

Thanks! Installing cairo from current fixed the problem. Just out of curiosity, how did you figure this out? I would like to become better at fixing these kind of problems myself.

It's already discussed here

d.j.peters · 08-04-2014, 12:10 PM

qemu Version 2.0.0

I installed cairo-1.12.16-i486-1.txz from from http://ftp.gwdg.de/linux/slackware/s....16-i486-1.txz
if I run ~/qemu# TARGETS=all ./qemu.SlackBuild
all parts compiled but on last step the linking stage I get:

Code:

/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_glyph_cache_remove'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_glyph_cache_freeze'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_glyph_cache_thaw'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_composite_glyphs'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_glyph_cache_lookup'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_glyph_get_mask_format'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_glyph_cache_insert'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_glyph_cache_create'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_add_triangles'
/usr/lib/gcc/i486-slackware-linux/4.5.2/../../../libcairo.so: undefined reference to `pixman_composite_glyphs_no_mask'

Is the libcario-1.12.16-486 to old or is the libcario dev package needed ?

I got qemu.SlackBuild from here: http://slackbuilds.org/repository/14.1/system/qemu/

Thank you

DJ

edit: same problem if I try qemu 1.7.2

ponce · 08-04-2014, 12:56 PM

Code:

/usr/lib/gcc/i486-slackware-linux/4.5.2

which version of Slackware are you running?

the topic was about slackware-14.1, and the fixed cairo is now in /patches of that version...

d.j.peters · 08-06-2014, 04:06 AM

Quote:

Originally Posted by ponce

which version of Slackware are you running?

Slackware 14.1 (x86)

Quote:

Originally Posted by ponce

the fixed cairo is now in /patches of that version...

thank you ponce
I will try it.

DJ

ponce · 08-06-2014, 04:12 AM

Quote:

Originally Posted by d.j.peters

Slackware 14.1 (x86)

that's really strange, because slackware-14.1 doesn't have gcc-4.5.2...

d.j.peters · 08-07-2014, 05:31 AM

Quote:

Originally Posted by ponce

that's really strange, because slackware-14.1 doesn't have gcc-4.5.2...

witch version do you would accept for 14.1 ?

DJ