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Diffstat (limited to 'results/scraper/launchpad-without-comments/917824')
| -rw-r--r-- | results/scraper/launchpad-without-comments/917824 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/917824 b/results/scraper/launchpad-without-comments/917824 new file mode 100644 index 000000000..9399dac99 --- /dev/null +++ b/results/scraper/launchpad-without-comments/917824 @@ -0,0 +1,16 @@ +qemu loops/hangs on extending qcow2-diskspace + +system is ubuntu 11-10 with qemu-kvm 0.14.1 (standard dpkg) + +while trying to install a software in a winXP-guest on a nearly empty disk within a qcow2-file, qemu stops answering console and vnc. + +gdb on original binary shows, that it doesn't really hang, but seems to endless loop + +recompiling the binary with debugging-symbols shows following problem: + +in block/qcow2-cluster.c:777 there's a loop over an allocation-list, but instead of stopping somewhere, the "next" points to the current one. + QLIST_FOREACH(old_alloc, &s->cluster_allocs, next_in_flight) { ... } + +because I'm not firm with qemu-development, I don't know, which behaviour would be correct, but simply break this loop doesn't seem to work: a few moments later the process is again at this point (tried so by setting the register for comparison to 0) + +this situation is continuosly reproducible, but it always take at least 10-15min to get there, so please, if you have suggestion which I should try and report, try to give as much suggestions as possible in one action. \ No newline at end of file |