diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2013-09-05 17:45:54 +0930 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2013-09-06 08:09:28 +0930 |
| commit | aa96a3c686b001a651c86dcb5b0b73d1a9b1d1ca (patch) | |
| tree | 3c658a20233561d7942c1007ece4aa1ca7e61db2 /drivers/virtio/virtio_pci.c | |
| parent | 98fb4e5e6b100a247ce2dbf2d1699726fdcdef20 (diff) | |
| download | lwn-aa96a3c686b001a651c86dcb5b0b73d1a9b1d1ca.tar.gz lwn-aa96a3c686b001a651c86dcb5b0b73d1a9b1d1ca.zip | |
lguest: fix GPF in guest when using gdb.
Since the Guest is in ring 1, it can't read the debug registers: doing
so gives a number of nasty messages:
(gdb) run
Starting program: /bin/sleep
[ 31.170230] general protection fault: 0000 [#1] SMP
[ 31.170230] Modules linked in:
[ 31.170230] CPU: 0 PID: 2678 Comm: sleep Not tainted 3.11.0+ #64
[ 31.170230] task: cc5c09b0 ti: cc79c000 task.ti: cc79c000
[ 31.170230] EIP: 0061:[<c01333d8>] EFLAGS: 00000097 CPU: 0
[ 31.170230] EIP is at native_get_debugreg+0x58/0x70
[ 31.170230] EAX: 00000006 EBX: cc79dfb4 ECX: b7fff918 EDX: 00000000
[ 31.170230] ESI: cc5c09b0 EDI: 00000000 EBP: cc79df84 ESP: cc79df84
[ 31.170230] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
[ 31.170230] CR0: 00000008 CR2: 081ba69a CR3: 0e2f2000 CR4: 00000000
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio/virtio_pci.c')
0 files changed, 0 insertions, 0 deletions