From: Peter Xu <pet...@redhat.com>
In ram_load_postcopy() we'll try to detect non-same-page case and dump error.
This error is very helpful for debugging. Adding ramblock & offset into the
error log too.
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Peter Xu <pet...@redhat.com>
Message-Id: <20220301083925.33483-6-pet...@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
dgilbert: Fix up long line
---
migration/ram.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/migration/ram.c b/migration/ram.c
index fe3de84856..a9d0d100bd 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -3707,8 +3707,12 @@ static int ram_load_postcopy(QEMUFile *f)
} else if (tmp_page->host_addr !=
host_page_from_ram_block_offset(block, addr)) {
/* not the 1st TP within the HP */
- error_report("Non-same host page %p/%p", tmp_page->host_addr,
- host_page_from_ram_block_offset(block, addr));
+ error_report("Non-same host page detected. "
+ "Target host page %p, received host page %p "
+ "(rb %s offset 0x"RAM_ADDR_FMT" target_pages %d)",
+ tmp_page->host_addr,
+ host_page_from_ram_block_offset(block, addr),
+ block->idstr, addr, tmp_page->target_pages);
ret = -EINVAL;
break;
}
--
2.35.1
