Wait, I know what happened: I was connected over wifi to my network, but wanted to copy 40GB to my server, so I connected a networkcable to my laptop, and disconnected the wifi. If you look in the wifisyslog, there you see the error:
Aug 2 17:12:13 bas-laptop kernel: [ 7529.329339] WARNING: at /build/buildd/linux-2.6.35/fs/buffer.c:1151 mark_buffer_dirty+0x70/0x90 -- WARNING: at /build/buildd/linux-2.6.35/fs/buffer.c:1151 mark_buffer_dirty+0x70/0x90() https://bugs.launchpad.net/bugs/612624 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs