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Diffstat (limited to 'results/classifier/118/virtual/809912')
| -rw-r--r-- | results/classifier/118/virtual/809912 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/results/classifier/118/virtual/809912 b/results/classifier/118/virtual/809912 new file mode 100644 index 000000000..945b68287 --- /dev/null +++ b/results/classifier/118/virtual/809912 @@ -0,0 +1,50 @@ +x86: 0.986 +virtual: 0.981 +graphic: 0.957 +architecture: 0.953 +hypervisor: 0.916 +device: 0.905 +performance: 0.891 +kernel: 0.859 +KVM: 0.837 +ppc: 0.777 +semantic: 0.732 +VMM: 0.697 +user-level: 0.692 +PID: 0.665 +vnc: 0.621 +arm: 0.590 +boot: 0.540 +debug: 0.538 +network: 0.529 +register: 0.442 +peripherals: 0.438 +permissions: 0.410 +socket: 0.406 +risc-v: 0.389 +mistranslation: 0.385 +TCG: 0.355 +files: 0.325 +assembly: 0.172 +i386: 0.158 + +qemu-kvm -m bigger 4096 aborts with 'Bad ram offset' + +When I try to start a virtual machine (x86_64 guest on a x86_64 host that has 32GB memory, using kvm_amd module, both host and guest running linux-2.6.39 kernels) with "qemu-system-x86_64 -cpu host -smp 2 -m 4096 ...", shortly after the guest kernel starts, qemu aborts with a message "Bad ram offset 11811c000". + +With e.g. "-m 3500" (or lower), the virtual machine runs fine. + +I experience this both using qemu-kvm 0.14.1 and a recent version from git +commit 525e3df73e40290e95743d4c8f8b64d8d9cbe021 +Merge: d589310 75ef849 +Author: Avi Kivity <email address hidden> +Date: Mon Jul 4 13:36:06 2011 +0300 + +After updating from the QEMU that came with Ubuntu 11.04 to 070411-1ubuntu2 version, I am seeing the bad ram offset error, also. If I drop the memory for the guest (which is Windows 7 Pro 64-bit) from 4 GB to 3300MB, the error goes away. + +Host machine has an AMD Opteron 6128 with 32GB RAM and is running the 64 bit version of Ubuntu 11.04 updated to current versions as of November + +Can you still reproduce this issue with the latest version of QEMU? + +[Expired for QEMU because there has been no activity for 60 days.] + |