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Diffstat (limited to 'results/classifier/108/none/526653')
| -rw-r--r-- | results/classifier/108/none/526653 | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/results/classifier/108/none/526653 b/results/classifier/108/none/526653 new file mode 100644 index 00000000..b053b7f3 --- /dev/null +++ b/results/classifier/108/none/526653 @@ -0,0 +1,59 @@ +semantic: 0.282 +PID: 0.250 +device: 0.239 +debug: 0.211 +graphic: 0.177 +performance: 0.092 +socket: 0.089 +other: 0.088 +network: 0.077 +vnc: 0.074 +files: 0.069 +boot: 0.067 +KVM: 0.066 +permissions: 0.054 + +Breakpoint on Memory address fails with KVM + +Using QEMU version 0.12.50 under ubuntu Karmic x64 + +To reproduce the error using a floppy with a bootloder: +qemu-system-x86_64 -s -S -fda floppy.img -boot a -enable-kvm + +connect with gdb: +(gdb) set arch i8086 +The target architecture is assumed to be i8086 +(gdb) target remote localhost:1234 +Remote debugging using localhost:1234 +0x0000fff0 in ?? () +(gdb) break *0x7c00 +Breakpoint 1 at 0x7c00 +(gdb) continue +Continuing. + +The breakpoint is not hit. + +If you close qemu and start it without kvm support: + +qemu-system-x86_64 -s -S -fda floppy.img -boot a + +(gdb) set arch i8086 +The target architecture is assumed to be i8086 +(gdb) target remote localhost:1234 +Remote debugging using localhost:1234 +0x0000fff0 in ?? () +(gdb) break *0x7c00 +Breakpoint 1 at 0x7c00 +(gdb) continue +Continuing. + +Breakpoint 1, 0x00007c00 in ?? () +(gdb) + +The breakpoint is hit. If you wait until after the bootloader has been loaded into memory, you can properly set breakpoints with or without kvm enabled. + +Triaging old bug tickets ... can you still reproduce this issue with the +latest version of QEMU (currently version 2.8)? + +[Expired for QEMU because there has been no activity for 60 days.] + |