@ -221,7 +221,7 @@ qcow2. If performance is more important than correctness,
@ option { cache = writeback } should be used with qcow2 .
In c ase you don ' t c a r e a b o u t d a t a i n t e g r i t y o v e r h o s t f a i l u r e s , u s e
cache = unsafe . This option tells qemu that it never needs to write any data
cache = unsafe . This option tells QEMU that it never needs to write any data
to the disk but can instead keeps things in cache . If anything goes wrong ,
like your host losing power , the disk storage getting disconnected accidentally ,
etc . you ' r e i m a g e w i l l m o s t p r o b a b l y b e r e n d e r e d u n u s a b l e . W h e n u s i n g
@ -515,7 +515,7 @@ Virtual Mouse. This will override the PS/2 mouse emulation when activated.
@ item tablet
Pointer device that uses absolute coordinates ( like a t o u c h s c r e e n ) . This
means qemu is able to report the mouse position without having to grab the
means QEMU is able to report the mouse position without having to grab the
mouse . Also overrides the PS / 2 mouse emulation when activated .
@ item disk : [ format = @ var { format } ] : @ var { file }
@ -587,7 +587,7 @@ this path will be available to the 9p client on the guest.
Specifies the security model to be used for t h i s e x p o r t p a t h .
Supported security models are " p a s s t h r o u g h " , " m a p p e d - x a t t r " , " m a p p e d - f i l e " and " n o n e " .
In " p a s s t h r o u g h " security model , files are stored using the same
credentials as they are created on the guest . This requires qemu
credentials as they are created on the guest . This requires QEMU
to run as root . In " m a p p e d - x a t t r " security model , some of the file
attributes like uid , gid , mode bits and link target are stored as
file attributes . For " m a p p e d - f i l e " these attributes are stored in the
@ -654,7 +654,7 @@ this path will be available to the 9p client on the guest.
Specifies the security model to be used for t h i s e x p o r t p a t h .
Supported security models are " p a s s t h r o u g h " , " m a p p e d - x a t t r " , " m a p p e d - f i l e " and " n o n e " .
In " p a s s t h r o u g h " security model , files are stored using the same
credentials as they are created on the guest . This requires qemu
credentials as they are created on the guest . This requires QEMU
to run as root . In " m a p p e d - x a t t r " security model , some of the file
attributes like uid , gid , mode bits and link target are stored as
file attributes . For " m a p p e d - f i l e " these attributes are stored in the
@ -1117,7 +1117,7 @@ disables exclusive client access. Useful for shared desktop sessions,
where you don ' t w a n t s o m e o n e f o r g e t t i n g s p e c i f y - s h a r e d d i s c o n n e c t
everybody e lse . ' i g n o r e ' completely ignores the shared flag and
allows everybody connect unconditionally . Doesn ' t c o n f o r m t o t h e r f b
spec but is traditional qemu behavior .
spec but is traditional QEMU behavior .
@ end table
ETEXI
@ -1800,7 +1800,7 @@ not take any options.
@ option { pty } is not available on Windows hosts .
@ item - chardev stdio , id = @ var { id } [ , signal = on | off ]
Connect to standard input and standard output of the qemu process .
Connect to standard input and standard output of the QEMU process .
@ option { signal } controls if s i g n a l s a r e e n a b l e d o n t h e t e r m i n a l , t h a t i n c l u d e s
exiting QEMU with the key sequence @ key { Control - c } . This option is enabled by
@ -2128,19 +2128,19 @@ they default to @code{0.0.0.0}.
When not using a specified @ v a r { s r c _ p o r t } a r a n d o m p o r t i s a u t o m a t i c a l l y c h o s e n .
If you just want a simple readonly console you can use @ code { netcat } or
@ code { nc } , by starting qemu with : @ code { - serial udp : : 4555 } and nc as :
@ code { nc - u - l - p 4555 } . Any time qemu writes something to that port it
@ code { nc } , by starting QEMU with : @ code { - serial udp : : 4555 } and nc as :
@ code { nc - u - l - p 4555 } . Any time QEMU writes something to that port it
will appear in the netconsole session .
If you plan to send characters back via netconsole or you want to stop
and start qemu a lot of times , you should have qemu use the same
and start QEMU a lot of times , you should have QEMU use the same
source port each time by using something like @ c o d e { - s e r i a l
udp : : 4555 @ @ : 4 5 5 6 } to qemu . Another approach is to use a patched
udp : : 4555 @ @ : 4 5 5 6 } to QEMU . Another approach is to use a patched
version of netcat which can listen to a TCP port and send and receive
characters via udp . If you have a patched version of netcat which
activates telnet remote echo and single char transfer , then you can
use the following options to step up a netcat redirector to allow
telnet on port 5555 to access the qemu port .
telnet on port 5555 to access the QEMU port .
@ table @ code
@ item QEMU Options :
- serial udp : : 4555 @ @ : 4 5 5 6
@ -2295,7 +2295,7 @@ STEXI
@ findex - gdb
Wait for g d b c o n n e c t i o n o n d e v i c e @ v a r { d e v } ( @ pxref { gdb_usage } ) . Typical
connections will likely be TCP - based , but also UDP , pseudo TTY , or even
stdio are reasonable use c ase . The latter is allowing to start qemu from
stdio are reasonable use c ase . The latter is allowing to start QEMU from
within gdb and establish the connection via a pipe :
@ example
( gdb ) target remote | exec qemu - system - i386 - gdb stdio ...
@ -2333,7 +2333,7 @@ ETEXI
DEF ( " h d a c h s " , HAS_ARG , QEMU_OPTION_hdachs , \
" - h d a c h s c , h , s [ , t ] \n " \
" f o r c e h a r d d i s k 0 p h y s i c a l g e o m e t r y a n d t h e o p t i o n a l B I O S \n " \
" t r a n s l a t i o n ( t = n o n e o r l b a ) ( u s u a l l y q e m u c a n g u e s s t h e m ) \n " ,
" t r a n s l a t i o n ( t = n o n e o r l b a ) ( u s u a l l y Q E M U c a n g u e s s t h e m ) \n " ,
QEMU_ARCH_ALL )
STEXI
@ item - hdachs @ var { c } , @ var { h } , @ var { s } , [ , @ var { t } ]
@ -2379,7 +2379,7 @@ DEF("xen-create", 0, QEMU_OPTION_xen_create,
QEMU_ARCH_ALL )
DEF ( " x e n - a t t a c h " , 0 , QEMU_OPTION_xen_attach ,
" - x e n - a t t a c h a t t a c h t o e x i s t i n g x e n d o m a i n \n "
" x e n d w i l l u s e t h i s w h e n s t a r t i n g q e m u \n " ,
" x e n d w i l l u s e t h i s w h e n s t a r t i n g Q E M U \n " ,
QEMU_ARCH_ALL )
STEXI
@ item - xen - domid @ var { id }
@ -2392,7 +2392,7 @@ Warning: should not be used when xend is in use (XEN only).
@ item - xen - attach
@ findex - xen - attach
Attach to existing xen domain .
xend will use this when starting qemu ( XEN o n l y ) .
xend will use this when starting QEMU ( XEN o n l y ) .
ETEXI
DEF ( " n o - r e b o o t " , 0 , QEMU_OPTION_no_reboot , \