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52f9a172b6
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Jes Sorensen 52f9a172b6 Improve error handling in do_snapshot_blkdev() 
In case we cannot open the newly created snapshot image, try to fall
back to the original image file and continue running on that, which
should prevent the guest from aborting.

This is a corner case which can happen if the admin by mistake
specifies the snapshot file on a virtual file system which does not
support O_DIRECT. bdrv_create() does not use O_DIRECT, but the
following open in bdrv_open() does and will then fail.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-03-15 13:21:14 +01:00
audio pulseaudio: tweak config 2011-01-25 19:56:53 +03:00
block block/qcow: Don't ignore immediate read/write and other failures 2011-03-15 13:21:14 +01:00
bsd-user bsd-user: Fix possible memory leaks and wrong realloc call 2011-01-17 20:23:47 +00:00
darwin-user darwin-user: Use GCC_FMT_ATTR (format checking) 2010-12-04 20:51:19 +00:00
default-configs lm32: EVR32 and uclinux BSP 2011-03-07 13:42:37 +01:00
docs simpletrace: Thread-safe tracing 2011-03-07 15:34:17 +00:00
fpu softfloat: add _set_sign(), _infinity and _half for 32 and 64 bits floats. 2011-02-24 08:53:36 +01:00
fsdev Delete useless 'extern' qualifiers for functions 2011-01-23 16:21:20 +00:00
gdb-xml
hw Fix ATA SMART and CHECK POWER MODE 2011-03-15 13:21:14 +01:00
linux-user linux-user: Fix large seeks by 32 bit guest on 64 bit host 2011-03-06 19:06:27 +01:00
net Fixing tap adapter for win32 2011-02-25 15:14:04 +00:00
pc-bios Update SeaBIOS to 0.6.1.2 2011-02-01 16:57:00 -06:00
QMP spice: connection events. 2010-12-09 14:23:24 +01:00
roms Update SeaBIOS to 0.6.1.2 2011-02-01 16:57:00 -06:00
scripts simpletrace: Thread-safe tracing 2011-03-07 15:34:17 +00:00
slirp net: fix trace when debug is activated in slirp 2011-03-05 12:00:51 +00:00
sysconfigs/target
target-alpha inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-arm inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-cris inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-i386 inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-lm32 lm32: todo and documentation 2011-03-07 13:42:37 +01:00
target-m68k inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-microblaze inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-mips inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-ppc inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-s390x always qemu_cpu_kick after unhalting a cpu 2011-03-13 14:44:21 +00:00
target-sh4 inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
target-sparc inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
tcg tcg: Add support for debugging leakage of temporaries 2011-03-07 09:26:06 +01:00
tests lm32: opcode testsuite 2011-03-07 13:42:37 +01:00
ui Refactor thread retrieval and check 2011-03-13 14:44:21 +00:00
.gitignore Add TAGS and *~ to .gitignore 2011-02-24 11:25:38 -06:00
.gitmodules
a.out.h
acl.c
acl.h
aes.c
aes.h
aio.c
alpha-dis.c *-dis: Replace fprintf_ftype by fprintf_function (format checking) 2010-12-04 20:50:30 +00:00
alpha.ld
arch_init.c LatticeMico32 target support 2011-03-07 13:42:36 +01:00
arch_init.h LatticeMico32 target support 2011-03-07 13:42:36 +01:00
arm-dis.c arm-dis: Include opcode hex when doing disassembly 2011-01-12 15:10:47 +01:00
arm-semi.c Fix commandline handling for ARM semihosted executables 2011-01-07 18:20:48 +02:00
arm.ld
async.c
balloon.c trace: Trace entry point of balloon request handler 2010-09-09 16:22:45 -05:00
balloon.h
bitmap.c bitmap: add a generic bitmap and bitops library 2011-02-23 16:28:29 -06:00
bitmap.h bitmap: add a generic bitmap and bitops library 2011-02-23 16:28:29 -06:00
bitops.c bitmap: add a generic bitmap and bitops library 2011-02-23 16:28:29 -06:00
bitops.h bitops: fix error on OpenBSD and mingw32 2011-02-25 17:21:22 +00:00
block_int.h Add flag to indicate external users to block device 2011-02-07 12:51:19 +01:00
block-migration.c block: enable in_use flag 2011-02-07 12:51:19 +01:00
block-migration.h
block.c Don't allow multiwrites against a block device without underlying medium 2011-03-15 13:21:14 +01:00
block.h fdc: move floppy geometry guessing to block.c 2011-02-20 09:33:17 +00:00
blockdev.c Improve error handling in do_snapshot_blkdev() 2011-03-15 13:21:14 +01:00
blockdev.h blockdev: add refcount to DriveInfo 2011-02-07 12:51:19 +01:00
bswap.h bswap.h: add cpu_to_be64wu() 2011-01-10 10:55:10 +01:00
bt-host.c
bt-host.h
bt-vhci.c
buffered_file.c migration: allow rate > 4g 2010-12-02 21:13:39 +02:00
buffered_file.h
cache-utils.c Remove trailing whitespace 2010-11-01 00:54:06 +03:00
cache-utils.h Delete useless 'extern' qualifiers for functions 2011-01-23 16:21:20 +00:00
Changelog
check-qdict.c check-qdict: Fix possible crash 2011-02-20 18:45:09 +01:00
check-qfloat.c
check-qint.c
check-qjson.c Silence compiler warning in json test case 2010-10-22 10:08:37 -02:00
check-qlist.c
check-qstring.c
cmd.c qemu-io: check registered fds in command_loop() 2010-06-22 14:38:02 +02:00
cmd.h Delete useless 'extern' qualifiers for functions 2011-01-23 16:21:20 +00:00
CODING_STYLE checkpatch: adjust to QEMUisms 2011-01-20 20:58:56 +00:00
compatfd.c Use sigwait instead of sigwaitinfo. 2011-02-25 20:16:26 +00:00
compatfd.h signalfd compatibility 2010-10-20 16:15:04 -05:00
config.h
configure remove CONFIG_THREAD 2011-03-13 14:44:21 +00:00
console.c remove text_console_opts 2011-02-01 16:50:43 -06:00
console.h vnc: Fix password expiration through 'change vnc ""' (v2) 2011-02-01 15:16:48 -06:00
COPYING
COPYING.LIB
cpu-all.h Introduce log_start/log_stop in CPUPhysMemoryClient 2011-02-14 12:39:47 -02:00
cpu-common.h Introduce log_start/log_stop in CPUPhysMemoryClient 2011-02-14 12:39:47 -02:00
cpu-defs.h linux-user: Define target alignment size 2011-02-17 11:46:34 +02:00
cpu-exec.c inline cpu_halted into sole caller 2011-03-13 14:44:21 +00:00
cpus.c add Win32 IPI service 2011-03-13 14:44:22 +00:00
cpus.h Refactor debug and vmstop request interface 2011-02-14 12:39:46 -02:00
cris-dis.c cris: Support disassembly of crisv10 2011-01-10 22:31:09 +01:00
cursor_hidden.xpm
cursor_left_ptr.xpm
cursor.c
cutils.c QCOW2: bug fix - read base image beyond its size 2011-02-10 13:23:44 +01:00
def-helper.h tcg: Optionally sign-extend 32-bit arguments for 64-bit hosts. 2010-06-16 11:29:11 +02:00
device_tree.c
device_tree.h
dis-asm.h Delete useless 'extern' qualifiers for functions 2011-01-23 16:21:20 +00:00
disas.c disas: remove opcode printing on ARM hosts 2011-01-12 15:12:58 +01:00
disas.h Remove special handling of system include files (no longer needed) 2010-10-22 17:11:28 +00:00
dma-helpers.c
dma.h
dyngen-exec.h Remove special handling of system include files (no longer needed) 2010-10-22 17:11:28 +00:00
elf.h LatticeMico32 target support 2011-03-07 13:42:36 +01:00
envlist.c
envlist.h Delete useless 'extern' qualifiers for functions 2011-01-23 16:21:20 +00:00
exec-all.h Make tb_alloc static 2011-02-10 18:17:43 +01:00
exec.c Refactor thread retrieval and check 2011-03-13 14:44:21 +00:00
gdbstub.c lm32: gdbstub support 2011-03-07 13:42:36 +01:00
gdbstub.h Add scripts directory 2011-01-20 20:54:21 +00:00
gen-icount.h
HACKING HACKING: Update status of format checking 2011-02-25 16:31:05 -06:00
hmp-commands.hx hmp-commands.hx: fix badly merged client_migrate_info command 2011-03-10 16:12:21 -06:00
host-utils.c
host-utils.h
hpet.h
hppa-dis.c
hppa.ld
i386-dis.c
i386.ld
ia64-dis.c
ia64.ld
input.c un-register kbd driver in case of USB kbd unplug. 2010-06-14 15:46:28 -05:00
ioport-user.c
ioport.c ioport: Improve error output 2011-03-06 21:01:32 +01:00
ioport.h Type-safe ioport callbacks 2010-11-21 09:16:57 -06:00
iorange.h Type-safe ioport callbacks 2010-11-21 09:16:57 -06:00
iov.c
iov.h
json-lexer.c remove unnecessary lookaheads 2010-06-11 15:25:14 -03:00
json-lexer.h
json-parser.c Use GCC_FMT_ATTR (format checking) 2010-10-03 06:34:51 +00:00
json-parser.h
json-streamer.c json-streamer: Don't use qdict_put_obj() 2010-06-11 15:25:14 -03:00
json-streamer.h
kvm-all.c kvm: Make kvm_state globally available 2011-02-14 12:39:47 -02:00
kvm-stub.c Introduce log_start/log_stop in CPUPhysMemoryClient 2011-02-14 12:39:47 -02:00
kvm.h kvm: Make kvm_state globally available 2011-02-14 12:39:47 -02:00
libfdt_env.h
LICENSE
linux-aio.c
m68k-dis.c *-dis: Replace fprintf_ftype by fprintf_function (format checking) 2010-12-04 20:50:30 +00:00
m68k-semi.c Move qemu_gettimeofday() to OS specific files 2010-10-30 08:02:38 +00:00
m68k.ld
MAINTAINERS MAINTAINERS: add LatticeMico32 maintainer 2011-03-07 13:42:58 +01:00
Makefile Add scripts directory 2011-01-20 20:54:21 +00:00
Makefile.dis
Makefile.hw
Makefile.objs tools: Use real async.c instead of stubs 2011-03-15 13:21:14 +01:00
Makefile.target lm32: EVR32 and uclinux BSP 2011-03-07 13:42:37 +01:00
Makefile.user
microblaze-dis.c *-dis: Replace fprintf_ftype by fprintf_function (format checking) 2010-12-04 20:50:30 +00:00
migration-exec.c Factorize common migration incoming code 2010-06-22 15:15:51 -05:00
migration-fd.c Factorize common migration incoming code 2010-06-22 15:15:51 -05:00
migration-tcp.c Close socket file descriptor when qemu_accept fails 2010-07-25 17:03:51 +02:00
migration-unix.c Factorize common migration incoming code 2010-06-22 15:15:51 -05:00
migration.c Improve vm_stop reason declarations 2011-02-14 12:39:46 -02:00
migration.h add migration state change notifiers 2011-01-24 15:13:54 +01:00
mips-dis.c *-dis: Replace fprintf_ftype by fprintf_function (format checking) 2010-12-04 20:50:30 +00:00
mips.ld
module.c
module.h
monitor.c Improve vm_stop reason declarations 2011-02-14 12:39:46 -02:00
monitor.h spice: connection events. 2010-12-09 14:23:24 +01:00
nbd.c nbd: Haiku has _IO() in its BSD compatibility layer 2010-10-03 06:31:33 +00:00
nbd.h Merge remote branch 'kwolf/for-anthony' into staging 2010-09-08 14:26:57 -05:00
net-checksum.c
net.c net: Add the missing option declaration of "vhostforce" 2011-03-06 20:15:31 +01:00
net.h Add bootindex parameter to net/block/fd device 2010-12-11 21:32:46 +00:00
notify.c
notify.h
os-posix.c Separate qemu_pidfile() into OS specific versions 2010-10-30 08:02:39 +00:00
os-win32.c unlock iothread during WaitForMultipleObjects 2011-03-13 14:44:20 +00:00
osdep.c Remove unncessary includes 2010-10-30 08:02:40 +00:00
osdep.h bitmap: add a generic bitmap and bitops library 2011-02-23 16:28:29 -06:00
oslib-posix.c virtio-9p: fix build on !CONFIG_UTIMENSAT 2010-12-02 16:08:40 -08:00
oslib-win32.c w32: Remove implementation of function ffs 2011-02-20 20:18:21 +00:00
path.c user: speed up init_paths a bit 2011-02-09 10:33:54 +02:00
pci-ids.txt
pflib.c add pflib: PixelFormat conversion library. 2010-09-21 18:35:30 +02:00
pflib.h add pflib: PixelFormat conversion library. 2010-09-21 18:35:30 +02:00
poison.h LatticeMico32 target support 2011-03-07 13:42:36 +01:00
posix-aio-compat.c trace: Trace posix-aio-compat.c completion and cancellation 2011-03-07 15:34:46 +00:00
ppc64.ld
ppc-dis.c
ppc.ld
qbool.c
qbool.h
qdict-test-data.txt
qdict.c QDict: Introduce qdict_get_try_bool() 2010-07-01 14:27:13 -03:00
qdict.h QDict: Introduce qdict_get_try_bool() 2010-07-01 14:27:13 -03:00
qemu_socket.h net: remove parse_host_src_port() function 2011-03-06 20:06:50 +01:00
qemu-aio.h
qemu-barrier.h Introduce proper compiler barrier 2010-07-22 05:52:08 +02:00
qemu-char.c qemu-char: Check for missing backend name 2011-02-20 18:26:28 +01:00
qemu-char.h add qemu_chr_set_echo 2011-02-01 16:50:43 -06:00
qemu-common.h Refactor thread retrieval and check 2011-03-13 14:44:21 +00:00
qemu-config.c spice: add chardev (v5) 2011-01-24 15:41:40 +01:00
qemu-config.h spice: core bits 2010-09-21 18:36:42 +02:00
qemu-doc.texi Documentation: add Sheepdog disk images 2011-02-07 09:44:45 +01:00
qemu-error.c
qemu-error.h Use GCC_FMT_ATTR (format checking) 2010-10-03 06:34:51 +00:00
qemu-img-cmds.hx Copy snapshots out of QCOW2 disk 2010-10-22 14:49:35 +02:00
qemu-img.c qemu-img: Improve error messages for failed bdrv_open 2011-02-10 13:24:11 +01:00
qemu-img.texi Documentation: Add qemu-img check/rebase 2011-01-24 16:41:49 +01:00
qemu-io.c qemu-io: Fix discard command 2011-01-31 10:03:00 +01:00
qemu-lock.h qemu-lock.h: Remove non-pthreads spinlock implementations 2011-02-20 15:20:06 +01:00
qemu-log.h
qemu-malloc.c Add missing tracing to qemu_mallocz() 2010-12-14 15:44:21 +01:00
qemu-nbd.c Remove NULL checks for bdrv_new return value 2010-12-17 16:11:03 +01:00
qemu-nbd.texi
qemu-objects.h
qemu-option.c qemu-option: Fix parse_option_parameters() documentation typo 2010-12-14 15:44:21 +01:00
qemu-option.h error: New qemu_opts_loc_restore() 2010-07-06 17:05:49 +02:00
qemu-options.h Introduce OS specific cmdline argument handling and move SMB arg to os-posix.c 2010-06-12 08:49:15 +03:00
qemu-options.hx vnc: add a non-adaptive option 2011-02-23 16:28:29 -06:00
qemu-os-posix.h virtio-9p: fix build on !CONFIG_UTIMENSAT 2010-12-02 16:08:40 -08:00
qemu-os-win32.h Move qemu_gettimeofday() to OS specific files 2010-10-30 08:02:38 +00:00
qemu-queue.h
qemu-sockets.c
qemu-tech.texi qemu-tech: Spelling fixes 2011-01-09 20:59:53 +00:00
qemu-thread-posix.c add Win32 IPI service 2011-03-13 14:44:22 +00:00
qemu-thread-posix.h add Win32 IPI service 2011-03-13 14:44:22 +00:00
qemu-thread-win32.c add win32 qemu-thread implementation 2011-03-13 14:44:21 +00:00
qemu-thread-win32.h add win32 qemu-thread implementation 2011-03-13 14:44:21 +00:00
qemu-thread.h add win32 qemu-thread implementation 2011-03-13 14:44:21 +00:00
qemu-timer-common.c Add OpenBSD to ifdef list since it has CLOCK_MONOTONIC. 2010-12-21 19:44:42 +00:00
qemu-timer.c use win32 timer queues 2011-03-13 14:44:20 +00:00
qemu-timer.h Mov muldiv64 to qemu-common.h (Thus unbreaking gus) 2010-10-30 01:41:01 +04:00
qemu-tool.c tools: Use real async.c instead of stubs 2011-03-15 13:21:14 +01:00
qemu-x509.h
qemu.sasl
qerror.c qerror: Add QERR_UNKNOWN_BLOCK_FORMAT_FEATURE 2011-02-10 13:23:44 +01:00
qerror.h qerror: Add QERR_UNKNOWN_BLOCK_FORMAT_FEATURE 2011-02-10 13:23:44 +01:00
qfloat.c
qfloat.h
qint.c
qint.h
qjson.c Add support for JSON pretty printing 2010-10-01 10:12:43 -03:00
qjson.h Merge remote branch 'qmp/for-anthony' into staging 2010-10-05 13:54:49 -05:00
qlist.c
qlist.h
qmp-commands.hx Merge remote branch 'spice/spice.v29.pull' into staging 2011-02-01 15:22:48 -06:00
qobject.h
qstring.c
qstring.h
range.h Introduce range.h 2010-09-18 05:53:14 +00:00
readline.c
readline.h
README
rules.mak Add scripts directory 2011-01-20 20:54:21 +00:00
rwhandler.c Make simple io mem handler endian aware 2010-12-11 15:24:25 +00:00
rwhandler.h Make simple io mem handler endian aware 2010-12-11 15:24:25 +00:00
s390-dis.c s390: Disassemble some general-instruction-extension insns. 2010-06-10 00:46:41 +02:00
s390.ld
savevm.c Add error message for loading snapshot without VM state 2011-03-15 13:21:14 +01:00
sh4-dis.c *-dis: Replace fprintf_ftype by fprintf_function (format checking) 2010-12-04 20:50:30 +00:00
simpletrace.c simpletrace: Thread-safe tracing 2011-03-07 15:34:17 +00:00
simpletrace.h simpletrace: Thread-safe tracing 2011-03-07 15:34:17 +00:00
softmmu_defs.h
softmmu_exec.h
softmmu_header.h sparc64: fix 32bit load sign extension 2010-06-02 20:04:52 +00:00
softmmu_template.h
softmmu-semi.h
sparc64.ld
sparc-dis.c
sparc.ld
spice-qemu-char.c spice: add chardev (v5) 2011-01-24 15:41:40 +01:00
sysemu.h Refactor debug and vmstop request interface 2011-02-14 12:39:46 -02:00
targphys.h
tcg-runtime.c
thunk.c
thunk.h
TODO
trace-events trace: Trace posix-aio-compat.c completion and cancellation 2011-03-07 15:34:46 +00:00
translate-all.c tcg: get rid of copy_size in TCGOpDef 2010-06-09 16:10:50 +02:00
uboot_image.h
usb-bsd.c usb-bsd: fix a file descriptor leak 2011-01-09 14:43:33 +00:00
usb-linux.c usb-linux: Get the active configuration from sysfs rather then asking the dev 2010-11-16 14:35:00 -06:00
usb-stub.c
VERSION Open up the 0.15 development branch 2011-02-02 08:39:28 +01:00
version.rc mingw: add version information to the executables 2010-09-26 16:07:57 +00:00
vgafont.h
vl.c simpletrace: Thread-safe tracing 2011-03-07 15:34:17 +00:00
x86_64.ld

README 

Read the documentation in qemu-doc.html.

Fabrice Bellard.