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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:24:58 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:27:06 +0000
commit33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch)
tree406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1288620
parentadedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff)
downloademulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz
emulator-bug-study-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip
add launchpad bug reports without comments
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+memory leak with config file
+
+I have a Windows 7 SP1 Professional 64-bit installation on a QCOW2 image with compat=1.1, which I launch via
+
+qemu-system-x86_64 -drive file=windows_base_HDD.img,index=0,media=disk -enable-kvm -m 512M -vga std -net nic,vlan=0 -net user,vlan=0
+
+As soon as I start using the network in any application — for example, visiting www.google.com in Internet Explorer — QEMU starts gobbling memory until the (host) kernel kills it because of an OOM condition.  If I run the QEMU with the same options, but with model=e1000 option set for the NIC (i.e. -net -nic,vlan=0,model=e1000), I can use the network from the guest OS without any noticeable effect on QEMU's memory consumption.
+
+I do not have this problem when running QEMU with the exact same options (as above, without model=e1000) but with a Debian wheezy installation (on a QCOW image of the same format).  My host system in Ubuntu 13.10 x86_64, kernel image 3.11.0-17-generic, but with the QEMU packages from trusty (the codename for the next release):
+Output of `dpkg -l \*qemu\* | grep '^ii'`:
+ii  ipxe-qemu                             1.0.0+git-20130710.936134e-0ubuntu1        all          Virtual package to support use of kvm-ipxe with qemu
+ii  qemu-keymaps                          1.7.0+dfsg-3ubuntu2                        all          QEMU keyboard maps
+ii  qemu-system-common                    1.7.0+dfsg-3ubuntu2                        amd64        QEMU full system emulation binaries (common files)
+ii  qemu-system-x86                       1.7.0+dfsg-3ubuntu2                        amd64        QEMU full system emulation binaries (x86)
+ii  qemu-utils                            1.7.0+dfsg-3ubuntu2                        amd64        QEMU utilities
+
+(If necessary, I can try to reproduce this with QEMU built from the upstream source or the latest source from version control.)
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