From: Fabiano Rosas <faro...@suse.de>
The migration code uses unsigned values for 16, 32 and 64-bit
operations. Fix the script to do the same.
This was causing an issue when parsing the migration stream generated
on the ppc64 target because one of instance_ids was larger than the
32bit signed maximum:
Traceback (most recent call last):
File "/home/fabiano/kvm/qemu/build/scripts/analyze-migration.py", line 658,
in <module>
dump.read(dump_memory = args.memory)
File "/home/fabiano/kvm/qemu/build/scripts/analyze-migration.py", line 592,
in read
classdesc = self.section_classes[section_key]
KeyError: ('spapr_iommu', -2147483648)
Signed-off-by: Fabiano Rosas <faro...@suse.de>
Reviewed-by: Juan Quintela <quint...@redhat.com>
Signed-off-by: Juan Quintela <quint...@redhat.com>
Message-ID: <20231009184326.15777-6-faro...@suse.de>
(cherry picked from commit caea03279e11dfcb0e5a567b81fe7f02ee80af02)
Signed-off-by: Michael Tokarev <m...@tls.msk.ru>
diff --git a/scripts/analyze-migration.py b/scripts/analyze-migration.py
index b82a1b0c58..44d306aedc 100755
--- a/scripts/analyze-migration.py
+++ b/scripts/analyze-migration.py
@@ -38,13 +38,13 @@ def __init__(self, filename):
self.file = open(self.filename, "rb")
def read64(self):
- return int.from_bytes(self.file.read(8), byteorder='big', signed=True)
+ return int.from_bytes(self.file.read(8), byteorder='big', signed=False)
def read32(self):
- return int.from_bytes(self.file.read(4), byteorder='big', signed=True)
+ return int.from_bytes(self.file.read(4), byteorder='big', signed=False)
def read16(self):
- return int.from_bytes(self.file.read(2), byteorder='big', signed=True)
+ return int.from_bytes(self.file.read(2), byteorder='big', signed=False)
def read8(self):
return int.from_bytes(self.file.read(1), byteorder='big', signed=True)
--
2.39.2
