Debian Bug report logs - #575720
qemu: Using '-vga std' is VERY slow. 1/2 Screen redraw times.

Toggle useless messages

Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Jim <jimdon@sympatico.ca>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: qemu: Using '-vga std' is VERY slow. 1/2 Screen redraw times.

Date: Sun, 28 Mar 2010 13:56:19 -0400

Package: qemu
Version: qemu-kvm
Severity: important

I upgraded kvm in the lenny stream last week:
	2010-03-24 09:38:18 upgrade kvm 72+dfsg-5+squeeze1 1:0.12.3+dfsg-4

Unfortunately since doing so running my ubuntu kvm image has become painfully slow, 1 to 2 second screen redraw times. The ubuntu image I am running has performed without issue for nearly 6 months. 

Below is some information that I hope will help:

1.) KVM version
	$ kvm -version
	QEMU PC emulator version 0.12.3 (qemu-kvm-0.12.3), Copyright (c) 2003-2008 Fabrice Bellard

2.) My KVM command
	$kvm -hda /home/jgdon/qemu/ubuntu.qcow -cdrom /dev/cdrom -boot c -m 512 -net nic,vlan=0 -net user -vga std -k en-us

3.) This seems to be related to a defect logged against kvm (see below). After asking around on IRC it was recommended to me that the upstream package be bugged:
	http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=574988

4.) More of an aside ... but in case it helps ... I tried re-configuring X11 in ubuntu with the new version of kvm ... it seems to crash (i expect this is unrelated but just in case it gives a hint)
	$sudo X11 -configure
	...
	...
	...
	EE) open /dev/fb0: No such file or directory
	
	Backtrace:
	0: Xorg(xorg_backtrace+0x3b) [0x8133d6b]
	1: Xorg(xf86SigHandler+0x55) [0x80c7d35]
	2: [0xbd9400]
	3: Xorg(InitOutput+0x176) [0x80b0246]
	4: Xorg(main+0x1cb) [0x807234b]
	5: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0x1cbb56]
	6: Xorg [0x80719c1]
	Saw signal 11.  Server aborting.
	 ddxSigGiveUp: Closing log
	 ddxSigGiveUp: re-raising 11


-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-trunk-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages qemu depends on:
ii  bochsbios               2.4.2-1          BIOS for the Bochs emulator
ii  libasound2              1.0.22-2         shared library for ALSA applicatio
ii  libbluetooth3           4.60-1           Library to use the BlueZ Linux Blu
ii  libc6                   2.10.2-6         Embedded GNU C Library: Shared lib
ii  libesd-alsa0 [libesd0]  0.2.41-5         Enlightened Sound Daemon (ALSA) - 
ii  libgnutls26             2.8.5-2          the GNU TLS library - runtime libr
ii  libncurses5             5.7+20100313-1   shared libraries for terminal hand
ii  libpulse0               0.9.21-1         PulseAudio client libraries
ii  libsdl1.2debian         1.2.13-5         Simple DirectMedia Layer
ii  libvdeplug2             2.2.3-3          Virtual Distributed Ethernet - Plu
ii  libx11-6                2:1.3.3-2        X11 client-side library
ii  openbios-ppc            1.0+svn640-1     PowerPC Open Firmware
ii  openbios-sparc          1.0+svn640-1     SPARC Open Firmware
ii  openhackware            0.4.1-4          OpenFirmware emulator for PowerPC
ii  vgabios                 0.6c-2           VGA BIOS software for the Bochs an
ii  zlib1g                  1:1.2.3.4.dfsg-3 compression library - runtime

Versions of packages qemu recommends:
ii  debootstrap                   1.0.22     Bootstrap a basic Debian system
ii  sharutils                     1:4.9-1    shar, unshar, uuencode, uudecode
ii  vde2                          2.2.3-3    Virtual Distributed Ethernet

Versions of packages qemu suggests:
pn  kqemu-source                 <none>      (no description available)
pn  samba                        <none>      (no description available)
ii  sudo                         1.7.2p1-1.2 Provide limited super user privile

Message #24 received at 575720@bugs.debian.org (full text, mbox, reply):

From: Michael Tokarev <mjt@tls.msk.ru>

To: 575720@bugs.debian.org

Subject: severity is 'normal'

Date: Thu, 22 Apr 2010 14:22:58 +0400

severity 575720 normal
thanks

"Downgrading" severity to normal since the problem is
easy to work around (at least in some cases) and because
the probelm does not affect the core functionality.

Yes the cirrus vga is slow, and it's a quite difficult
to find issue in the upstream kvm.  Hopefully we'll
see some light on this soon.

/mjt

Message #29 received at 575720@bugs.debian.org (full text, mbox, reply):

From: Simone <njkjta@gmail.com>

To: 575720@bugs.debian.org

Subject: Work around?

Date: Sun, 30 Jan 2011 18:00:17 +0100

I installed kvm (Squeeze) version 0.12.5 on a fast pc but I can't use 
the full-screen mode (1680x1050) or any resolution over 1024x768 because 
'Vga' video driver is very slow (unusable). Both 'Vga' and 'Cirrus' 
drivers work well only using 1024x768 resolution or less.

Is there e work around for this problem?

tnx.
Njkjta.

System:

Debian Squeeze full upgraded.
kernel: 2.6.32-5-amd64
Guest: Ubuntu, Debian Squeeze/Sid 32 and 64bit
GUI: virt-manager


/proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 30
model name      : Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz
stepping        : 5
cpu MHz         : 1200.000
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 0
cpu cores       : 4
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe 
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good 
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est 
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow 
vnmi flexpriority ept vpid
bogomips        : 5617.55
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 30
model name      : Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz
stepping        : 5
cpu MHz         : 1200.000
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 1
cpu cores       : 4
apicid          : 2
initial apicid  : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe 
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good 
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est 
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow 
vnmi flexpriority ept vpid
bogomips        : 5617.12
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 2
vendor_id       : GenuineIntel
cpu family      : 6
model           : 30
model name      : Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz
stepping        : 5
cpu MHz         : 1200.000
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 2
cpu cores       : 4
apicid          : 4
initial apicid  : 4
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe 
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good 
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est 
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow 
vnmi flexpriority ept vpid
bogomips        : 5617.11
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 3
vendor_id       : GenuineIntel
cpu family      : 6
model           : 30
model name      : Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz
stepping        : 5
cpu MHz         : 1200.000
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 3
cpu cores       : 4
apicid          : 6
initial apicid  : 6
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe 
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good 
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est 
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow 
vnmi flexpriority ept vpid
bogomips        : 5617.12
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 4
vendor_id       : GenuineIntel
cpu family      : 6
model           : 30
model name      : Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz
stepping        : 5
cpu MHz         : 1200.000
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 0
cpu cores       : 4
apicid          : 1
initial apicid  : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe 
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good 
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est 
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow 
vnmi flexpriority ept vpid
bogomips        : 5617.11
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 5
vendor_id       : GenuineIntel
cpu family      : 6
model           : 30
model name      : Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz
stepping        : 5
cpu MHz         : 1200.000
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 1
cpu cores       : 4
apicid          : 3
initial apicid  : 3
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe 
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good 
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est 
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow 
vnmi flexpriority ept vpid
bogomips        : 5617.12
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 6
vendor_id       : GenuineIntel
cpu family      : 6
model           : 30
model name      : Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz
stepping        : 5
cpu MHz         : 1200.000
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 2
cpu cores       : 4
apicid          : 5
initial apicid  : 5
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe 
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good 
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est 
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow 
vnmi flexpriority ept vpid
bogomips        : 5617.12
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

processor       : 7
vendor_id       : GenuineIntel
cpu family      : 6
model           : 30
model name      : Intel(R) Core(TM) i7 CPU         860  @ 2.80GHz
stepping        : 5
cpu MHz         : 1200.000
cache size      : 8192 KB
physical id     : 0
siblings        : 8
core id         : 3
cpu cores       : 4
apicid          : 7
initial apicid  : 7
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge 
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe 
syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good 
xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est 
tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm ida tpr_shadow 
vnmi flexpriority ept vpid
bogomips        : 5617.12
clflush size    : 64
cache_alignment : 64
address sizes   : 36 bits physical, 48 bits virtual
power management:

Message #36 received at 575720-close@bugs.debian.org (full text, mbox, reply):

From: Michael Tokarev <mjt@tls.msk.ru>

To: 575720-close@bugs.debian.org

Subject: Bug#575720: fixed in qemu-kvm 0.14.0+dfsg-1~tls

Date: Thu, 24 Feb 2011 09:33:55 +0000

Source: qemu-kvm
Source-Version: 0.14.0+dfsg-1~tls

We believe that the bug you reported is fixed in the latest version of
qemu-kvm, which is due to be installed in the Debian FTP archive:

kvm_0.14.0+dfsg-1~tls_i386.deb
  to main/q/qemu-kvm/kvm_0.14.0+dfsg-1~tls_i386.deb
qemu-kvm-dbg_0.14.0+dfsg-1~tls_i386.deb
  to main/q/qemu-kvm/qemu-kvm-dbg_0.14.0+dfsg-1~tls_i386.deb
qemu-kvm_0.14.0+dfsg-1~tls.debian.tar.gz
  to main/q/qemu-kvm/qemu-kvm_0.14.0+dfsg-1~tls.debian.tar.gz
qemu-kvm_0.14.0+dfsg-1~tls.dsc
  to main/q/qemu-kvm/qemu-kvm_0.14.0+dfsg-1~tls.dsc
qemu-kvm_0.14.0+dfsg-1~tls_i386.deb
  to main/q/qemu-kvm/qemu-kvm_0.14.0+dfsg-1~tls_i386.deb
qemu-kvm_0.14.0+dfsg.orig.tar.gz
  to main/q/qemu-kvm/qemu-kvm_0.14.0+dfsg.orig.tar.gz



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 575720@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Michael Tokarev <mjt@tls.msk.ru> (supplier of updated qemu-kvm package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.8
Date: Wed, 23 Feb 2011 13:40:53 +0300
Source: qemu-kvm
Binary: qemu-kvm qemu-kvm-dbg kvm
Architecture: source i386
Version: 0.14.0+dfsg-1~tls
Distribution: unstable
Urgency: low
Maintainer: Jan Lübbe <jluebbe@debian.org>
Changed-By: Michael Tokarev <mjt@tls.msk.ru>
Description: 
 kvm        - dummy transitional package from kvm to qemu-kvm
 qemu-kvm   - Full virtualization on x86 hardware
 qemu-kvm-dbg - Debugging info for qemu-kvm
Closes: 574063 574988 575720 603424 604034
Changes: 
 qemu-kvm (0.14.0+dfsg-1~tls) unstable; urgency=low
 .
   * 0.14.0 release:
    - much improved vga speed (closes: #575720, #574988)
    - other bugs (closes: #574063, #603424, #604034)
   * removed a ton of old patches that went upstream
   * refreshed some patches to apply cleanly to new code
   * introduced vgabios (0.6c+ca056d8e77) patch and use that
     instead of kvm/vgabios/.  Now we can use separate vgabios package
     (bios files changed. Now we don't ship vgabios.bin anymore)
   * added fix-configure-bin-symlinks.patch to fix ./configure in
     case all blobs in the source are removed
   * don't ship kvmtrace anymore (does not exist upstream?)
   * update debian/rules for the new package layout (esp. "clean" target)
   * enable hda (guest) audio device
   * apply isa-bus:-Remove-bogus-IRQ-sharing-check-ee951a.diff
     from upstream. this makes >4 com ports usable again
     (also removes old isa-refine-irq-reservations.patch)
   * use external seabios package and depend on it (>> 0.6.1.2)
   * move bridge-utils and iproute from Depends to Recommends
   * build-depend on xfslibs-dev (for xfs-specific ioctls, not for the library)
   * switch to 3.0 (quilt) format (and remove clean-patched target)
   * removed 06_no_system_linux_kvm_h.patch (kvm/* isn't used anymore)
   * depend on qemu-utils >> 0.14, and deprecate kvm-img, kvm-nbd and kvm-io
     (provide script wrappers for them that prints a warning and executes a
     real tool from qemu-utils)
Checksums-Sha1: 
 e82a1d5a2838d53287ae9d5432dea62949540799 1695 qemu-kvm_0.14.0+dfsg-1~tls.dsc
 9a61dfb468584283187848e7ed45ab8b5dfc8129 4363642 qemu-kvm_0.14.0+dfsg.orig.tar.gz
 06dea1f1a4d1538c6481c5a1b3a95320ad1e41a6 104182 qemu-kvm_0.14.0+dfsg-1~tls.debian.tar.gz
 1c48adf032281b989d8d13c7e59b8ccb3f61a131 1212926 qemu-kvm_0.14.0+dfsg-1~tls_i386.deb
 e5426c1e9ddfea89c7165e7da23a08c47e15dbfa 2675908 qemu-kvm-dbg_0.14.0+dfsg-1~tls_i386.deb
 184825fc060a9f1deb9406696e458ff71e0241a1 8230 kvm_0.14.0+dfsg-1~tls_i386.deb
Checksums-Sha256: 
 24d95ceae376a2672a222b164996f3bdbbcf31a9069daf2afa4b0889cb01cd3d 1695 qemu-kvm_0.14.0+dfsg-1~tls.dsc
 bf734bfa1854ffc66329b411a5b398f2eb2fbcebee3dcf8d6e5e5e08ea1cecdf 4363642 qemu-kvm_0.14.0+dfsg.orig.tar.gz
 e50a0da01ec142b225110d03c5e7917d418d095031aae52981b3c06af04fbb2a 104182 qemu-kvm_0.14.0+dfsg-1~tls.debian.tar.gz
 1f8a55d90362d4612106df09ad08a26aca6cd9bec15704772be24c4b4f6a8313 1212926 qemu-kvm_0.14.0+dfsg-1~tls_i386.deb
 15255612c96b0ea12a3264ae079777b749afc0a247f8fe997f70a10a173dede2 2675908 qemu-kvm-dbg_0.14.0+dfsg-1~tls_i386.deb
 b5a5aeb0f4fe6c1bf69fb34a0bab68124cc5708ba25c4366b6577d24a771b8c0 8230 kvm_0.14.0+dfsg-1~tls_i386.deb
Files: 
 6dadfe75e60032db4d8045b84b1baf36 1695 misc optional qemu-kvm_0.14.0+dfsg-1~tls.dsc
 ced8842b9cfa928787d2a908680eec44 4363642 misc optional qemu-kvm_0.14.0+dfsg.orig.tar.gz
 35dd17e6bdb0cd7725b84f7e7cd493f4 104182 misc optional qemu-kvm_0.14.0+dfsg-1~tls.debian.tar.gz
 03e541b8e1898e74f3901ffa2849dfca 1212926 misc optional qemu-kvm_0.14.0+dfsg-1~tls_i386.deb
 acb47edfc841cc14d8d6f74092cc98c6 2675908 debug extra qemu-kvm-dbg_0.14.0+dfsg-1~tls_i386.deb
 0e978481c833c17dd34c24e41059f006 8230 oldlibs extra kvm_0.14.0+dfsg-1~tls_i386.deb

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