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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2011-02-06 02:27:41 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2011-02-06 02:27:41 +0100
commit8d1f074ce59597119309c176cba8efdf0af7cdaf (patch)
treed3a44a42796f51d8d1d317c4a0434ab119ca4112 /hurd/running/qemu.mdwn
parentf9b83ce77311d6583dd3368f63fe9f6b4b2217dc (diff)
comment about kvm optimistic optimizations
Diffstat (limited to 'hurd/running/qemu.mdwn')
-rw-r--r--hurd/running/qemu.mdwn7
1 files changed, 7 insertions, 0 deletions
diff --git a/hurd/running/qemu.mdwn b/hurd/running/qemu.mdwn
index 6989cf7..be09da4 100644
--- a/hurd/running/qemu.mdwn
+++ b/hurd/running/qemu.mdwn
@@ -31,6 +31,13 @@ Also you can use qemu to easily try one of our [[Hurd_LiveCDs|hurd/running/live_
2. A [[grub]] boot disk for the floppy disk image needed for booting. The [0\.97 version](ftp://alpha.gnu.org/gnu/grub/grub-0.97-i386-pc.ext2fs) works fine. I downloaded it and renamed to `floppy.img`. Alternatively, the Debian grub-disk package (up till version 0.97-28) is fine as well.
3. You will need a [Debian/Hurd installation CD](http://www.debian.org/ports/hurd/hurd-cd). K16 works fine.
+# KVM acceleration
+
+If your machine supports hardware acceleration, you should really use the kvm variant of qemu, as it speeds things quite a lot. Note however that kvm tends to make assumptions when accelerating things in the linux kernel, you may need some -no-kvm-something option. At the moment in Debian you need to pass
+
+ -no-kvm-irqchip
+
+else the boot may hang.
# Installing Debian/Hurd with QEMU