Date: Tue, 2 Jul 2024 19:21:36 +0200 From: Mario Marietto <marietto2008@gmail.com> To: FreeBSD virtualization <freebsd-virtualization@freebsd.org> Subject: How to unload the vmm.ko module while FreeBSD is running... Message-ID: <CA%2B1FSijyH2EmUx95q8uudmYw-weAY4p480TKtancaRF3zdbvqA@mail.gmail.com>
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--00000000000064dad8061c46f42e Content-Type: text/plain; charset="UTF-8" Hello. I'm trying to unload the vmm kernel module,but it fails : [root@marietto /bhyve]==> kldunload -fv vmm Unloading vmm.ko, id=13 kldunload: can't unload file: Device busy I don't understand why it fails,since I don't have any bhyve vm currently running : [root@marietto /bhyve]==> ps ax | grep bhyve 6645 4 RL+ 0:00,00 grep bhyve (ggrep) and yes,the vmm module is loaded in memory : root@marietto /bhyve]==> kldstat | grep vmm 13 1 0xffffffff827ac000 37c9e8 vmm.ko how has it been loaded inside the memory ? Using /boot/loader.conf : vmm_load="YES" and it is located inside the directory /boot/kernel and it is called vmm.ko Is there a way to unload it and reload it while FreeBSD is running,without rebooting the system ? thanks. -- Mario. --00000000000064dad8061c46f42e Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div><div>Hello.</div><div><br></div><div>I'm trying t= o unload the vmm kernel module,but it fails :<br></div><div><br></div><div>= [root@marietto /bhyve]=3D=3D> kldunload -fv vmm</div>Unloading vmm.ko, i= d=3D13<br><div>kldunload: can't unload file: Device busy</div><div><br>= </div><div>I don't understand why it fails,since I don't have any b= hyve vm currently running :<br></div><div><br></div><div>[root@marietto /bh= yve]=3D=3D> ps ax | grep bhyve<br>6645 =C2=A04 =C2=A0RL+ =C2=A0 =C2=A0 0= :00,00 grep bhyve (ggrep)</div><div><br></div><div>and yes,the vmm module i= s loaded in memory :</div><div><br></div><div>root@marietto /bhyve]=3D=3D&g= t; kldstat | grep vmm<br>13 =C2=A0 =C2=A01 0xffffffff827ac000 =C2=A0 37c9e8= vmm.ko</div><br></div><div>how has it been loaded inside the memory ? Usin= g /boot/loader.conf :<br></div><div><br></div><div>vmm_load=3D"YES&quo= t;</div><div><br></div><div>and it is located inside the directory /boot/ke= rnel and it is called vmm.ko</div><div><br></div><div>Is there a way to unl= oad it and reload it while FreeBSD is running,without rebooting the system = ? thanks.</div><div><br></div><div><span class=3D"gmail_signature_prefix">-= - </span><br><div dir=3D"ltr" class=3D"gmail_signature" data-smartmail=3D"g= mail_signature">Mario.<br></div></div></div> --00000000000064dad8061c46f42e--
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