Am 07.05.2010 03:19, schrieb Marcelo Tosatti:
On Thu, Nov 19, 2009 at 01:19:55PM +0100, Jan Kiszka wrote:
Hi,
I just managed to push a qemu-kvm process (git rev. b496fe3431) into an
endless loop in qcow2_alloc_cluster_offset, namely over
QLIST_FOREACH(old_alloc, s-cluster_allocs
On Fri, May 07, 2010 at 09:37:22AM +0200, Kevin Wolf wrote:
Am 07.05.2010 03:19, schrieb Marcelo Tosatti:
On Thu, Nov 19, 2009 at 01:19:55PM +0100, Jan Kiszka wrote:
Hi,
I just managed to push a qemu-kvm process (git rev. b496fe3431) into an
endless loop in qcow2_alloc_cluster_offset
On Thu, Nov 19, 2009 at 01:19:55PM +0100, Jan Kiszka wrote:
Hi,
I just managed to push a qemu-kvm process (git rev. b496fe3431) into an
endless loop in qcow2_alloc_cluster_offset, namely over
QLIST_FOREACH(old_alloc, s-cluster_allocs, next_in_flight):
(gdb) bt
#0 0x0048614b
Am 07.12.2009 16:00, schrieb Kevin Wolf:
Am 07.12.2009 15:16, schrieb Jan Kiszka:
Likely not. What I did was nothing special, and I did not noticed such a
crash in the last months.
And now it happened again (qemu-kvm head, during kernel installation
from network onto local qcow2-disk). Any
Jan Kiszka wrote:
Kevin Wolf wrote:
Hi Jan,
Am 19.11.2009 13:19, schrieb Jan Kiszka:
(gdb) print ((BDRVQcowState *)bs-opaque)-cluster_allocs.lh_first
$5 = (struct QCowL2Meta *) 0xcb3568
(gdb) print *((BDRVQcowState *)bs-opaque)-cluster_allocs.lh_first
$6 = {offset = 7417176064, n_start =
Jan Kiszka wrote:
And now it happened again (qemu-kvm head, during kernel installation
from network onto local qcow2-disk). Any clever idea how to proceed with
this?
I could try to run the step in a loop, hopefully retriggering it once in
a (likely longer) while. But then we need some good
Am 07.12.2009 15:16, schrieb Jan Kiszka:
Likely not. What I did was nothing special, and I did not noticed such a
crash in the last months.
And now it happened again (qemu-kvm head, during kernel installation
from network onto local qcow2-disk). Any clever idea how to proceed with
this?
I
On 12/07/2009 04:50 PM, Jan Kiszka wrote:
Maybe I'm seeing ghosts, and I don't even have a minimal clue about what
goes on in the code, but this looks fishy:
Plenty of ghosts in qcow2, of all those explorers who tried to brave the
code. Only Kevin has ever come back.
preallocate()
Am 07.12.2009 15:50, schrieb Jan Kiszka:
Jan Kiszka wrote:
And now it happened again (qemu-kvm head, during kernel installation
from network onto local qcow2-disk). Any clever idea how to proceed with
this?
I could try to run the step in a loop, hopefully retriggering it once in
a (likely
Kevin Wolf wrote:
Am 07.12.2009 15:50, schrieb Jan Kiszka:
Jan Kiszka wrote:
And now it happened again (qemu-kvm head, during kernel installation
from network onto local qcow2-disk). Any clever idea how to proceed with
this?
I could try to run the step in a loop, hopefully retriggering it
Kevin Wolf wrote:
Am 07.12.2009 15:16, schrieb Jan Kiszka:
Likely not. What I did was nothing special, and I did not noticed such a
crash in the last months.
And now it happened again (qemu-kvm head, during kernel installation
from network onto local qcow2-disk). Any clever idea how to
Am 07.12.2009 17:09, schrieb Jan Kiszka:
Kevin Wolf wrote:
In qcow_aio_write_cb there isn't much happening between these calls. The
only thing that could somehow become dangerous is the
qcow_aio_write_cb(req, 0); for queued requests in run_dependent_requests.
If m-nb_clusters is not, the
Hi,
I just managed to push a qemu-kvm process (git rev. b496fe3431) into an
endless loop in qcow2_alloc_cluster_offset, namely over
QLIST_FOREACH(old_alloc, s-cluster_allocs, next_in_flight):
(gdb) bt
#0 0x0048614b in qcow2_alloc_cluster_offset (bs=0xc4e1d0,
offset=7417184256, n_start
Hi Jan,
Am 19.11.2009 13:19, schrieb Jan Kiszka:
(gdb) print ((BDRVQcowState *)bs-opaque)-cluster_allocs.lh_first
$5 = (struct QCowL2Meta *) 0xcb3568
(gdb) print *((BDRVQcowState *)bs-opaque)-cluster_allocs.lh_first
$6 = {offset = 7417176064, n_start = 0, nb_available = 16, nb_clusters = 0,
Kevin Wolf wrote:
Hi Jan,
Am 19.11.2009 13:19, schrieb Jan Kiszka:
(gdb) print ((BDRVQcowState *)bs-opaque)-cluster_allocs.lh_first
$5 = (struct QCowL2Meta *) 0xcb3568
(gdb) print *((BDRVQcowState *)bs-opaque)-cluster_allocs.lh_first
$6 = {offset = 7417176064, n_start = 0, nb_available =
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