git: b831c7732c71 - main - bhyve: increase SNAPSHOT_BUFFER_SIZE

The branch main has been updated by rew:

URL: https://cgit.FreeBSD.org/src/commit/?id=b831c7732c718a46642e6237fefcb5b29872e966

commit b831c7732c718a46642e6237fefcb5b29872e966
Author:     Vitaliy Gusev <gusev.vitaliy@gmail.com>
AuthorDate: 2023-12-29 17:37:43 +0000
Commit:     Robert Wing <rew@FreeBSD.org>
CommitDate: 2023-12-29 17:52:40 +0000

    bhyve: increase SNAPSHOT_BUFFER_SIZE
    
    After commit fb51ddb20d57, suspending a vm fails with the error:
        vm_snapshot_buf: buffer too small
    
    Sponsored by:   vStack
    Reviewed by:    markj, rew
    Fixes: fb51ddb20d57 ("bhyve: increase fbuf display resolution limit")
    Differential Revision: https://reviews.freebsd.org/D43218
---
 usr.sbin/bhyve/snapshot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr.sbin/bhyve/snapshot.c b/usr.sbin/bhyve/snapshot.c
index 5569cc065617..9bb7873f1d25 100644
--- a/usr.sbin/bhyve/snapshot.c
+++ b/usr.sbin/bhyve/snapshot.c
@@ -102,7 +102,7 @@ static sig_t old_winch_handler;
 #define	SNAPSHOT_CHUNK	(4 * MB)
 #define	PROG_BUF_SZ	(8192)
 
-#define	SNAPSHOT_BUFFER_SIZE (20 * MB)
+#define	SNAPSHOT_BUFFER_SIZE (40 * MB)
 
 #define	JSON_KERNEL_ARR_KEY		"kern_structs"
 #define	JSON_DEV_ARR_KEY		"devices"