debian/patches-0.12.1/ps2-queue-size.diff

   1
   2 bug description: boot a guest, open VNC console, and when it's still in BIOS / bootloader sequence, type as many keys as you can, move your mouse as much as you can. If needed, just reboot the guest.
   3
   4 Linux guest will boot with "i8042.c: No controller found" and no keyboard.
   5
   6 Further discussion seem to lead to a conclusion that there is some obscure bug in Qemu BIOS which makes this problem visible.
   7
   8 Index: kvm-86/hw/ps2.c
   9 ===================================================================
  10 --- kvm-86.orig/hw/ps2.c        2009-06-15 13:31:24.000000000 +0200
  11 +++ kvm-86/hw/ps2.c     2009-06-15 13:31:50.000000000 +0200
  12 @@ -70,7 +70,7 @@
  13  #define MOUSE_STATUS_ENABLED    0x20
  14  #define MOUSE_STATUS_SCALE21    0x10
  15
  16 -#define PS2_QUEUE_SIZE 256
  17 +#define PS2_QUEUE_SIZE 15
  18
  19  typedef struct {
  20      uint8_t data[PS2_QUEUE_SIZE];