https://bugzilla.kernel.org/show_bug.cgi?id=50921 --- Comment #5 from Lucio Crusca <lucio@xxxxxxxxxx> 2012-11-24 13:44:16 --- Here the first tests results: vbox modules do not make a difference (tried rmmod vboxpci vboxnetadp vboxnetflt vboxdrv and then kvm ...). The trace.dat is about 60M, I could upload it somewhere, however I tried looking at it and I'm reasonably sure it hangs here: $ trace-cmd report | grep 125\\.332 | tail kvm-6588 [000] 125.332264: kvm_entry: vcpu 0 kvm-6588 [000] 125.332264: kvm_emulate_insn: 10000:44f8: 75 27 kvm-6588 [000] 125.332265: kvm_entry: vcpu 0 kvm-6588 [000] 125.332266: kvm_emulate_insn: 10000:44fa: 8b 3c kvm-6588 [000] 125.332267: kvm_entry: vcpu 0 kvm-6588 [000] 125.332267: kvm_emulate_insn: 10000:44fc: 46 kvm-6588 [000] 125.332268: kvm_entry: vcpu 0 kvm-6588 [000] 125.332269: kvm_emulate_insn: 10000:44fd: 46 kvm-6588 [000] 125.332269: kvm_entry: vcpu 0 kvm-6588 [000] 125.332270: kvm_emulate_insn: 10000:44fe: 8b 14 $ trace-cmd report | grep 125\\.333 | head kvm-6588 [000] 125.333950: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333951: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333951: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333952: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333953: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333953: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333954: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333954: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333955: kvm_emulate_insn: 10000:4782: d5 kvm-6588 [000] 125.333955: kvm_emulate_insn: 10000:4782: d5 The rest of the log is about 5 seconds of d5 d5 d5 d5... As for the bisect, I'm not sure of a good commit in the vanilla tree. By now the only working kernel I have is a debian one. While doing these test a suspect came to my mind: a difference between mine and debian kernels is that I configure mine preemptible low latency desktop. Could that be the cause? -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
