diff options
Diffstat (limited to 'lib/libkvm/kvm_open.3')
| -rw-r--r-- | lib/libkvm/kvm_open.3 | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/libkvm/kvm_open.3 b/lib/libkvm/kvm_open.3 index a7e428748215..9a32719d537b 100644 --- a/lib/libkvm/kvm_open.3 +++ b/lib/libkvm/kvm_open.3 @@ -29,7 +29,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd March 20, 2017 +.Dd June 22, 2025 .Dt KVM_OPEN 3 .Os .Sh NAME @@ -245,7 +245,20 @@ The value passed via was .Dv NULL . .El +.Sh NOTE +Full memory dumps taken on 13.x (excluding 13.0) and 14.x amd64 kernels +will cause both +.Fn kvm_open +and +.Fn kvm_open2 +to fail since they do not provide sufficient information to figure out +where in physical memory the kernel was loaded. +Full memory dumps have to be explicitly enabled by setting the +.Va debug.minidump +.Xr sysctl 8 +to 0. .Sh SEE ALSO +.Xr dumpon 8 , .Xr close 2 , .Xr open 2 , .Xr kvm 3 , |