Upstream has suggested to me this could be Xulrunner's fault. It doesn't have when using Xulrunner 1.8, but he said it could be a different thing, such as locking or threading issues, or even memory corruption...
Alexander, do you know whether this could be Xulrunner's fault? I could try downgrading to an older beta release of xul to see whether this was happening by that time.
Upstream has suggested to me this could be Xulrunner's fault. It doesn't have when using Xulrunner 1.8, but he said it could be a different thing, such as locking or threading issues, or even memory corruption...
Alexander, do you know whether this could be Xulrunner's fault? I could try downgrading to an older beta release of xul to see whether this was happening by that time.