Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Max Reitz
On 08.05.2017 18:33, Carl Karsten wrote: > On Mon, May 8, 2017 at 11:29 AM, Eric Blake wrote: > >> On 05/08/2017 10:56 AM, Carl Karsten wrote: >> >>> juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses >> -drive >>> file=disk.cow -drive file=boot.img >>> WARNING: Image forma

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Eric Blake
On 05/08/2017 11:39 AM, Eric Blake wrote: > On 05/08/2017 11:33 AM, Carl Karsten wrote: >> according to the warning: "Specify the 'raw' format explicitly to remove >> the restrictions." >> >> I want the restriction. >> >> format=raw, (write operations on block 0)=restricted > > Then omit format=ra

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Eric Blake
On 05/08/2017 11:33 AM, Carl Karsten wrote: > according to the warning: "Specify the 'raw' format explicitly to remove > the restrictions." > > I want the restriction. > > format=raw, (write operations on block 0)=restricted Then omit format=raw. (It's an unusual request, though). Or, as other

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Carl Karsten
On Mon, May 8, 2017 at 11:29 AM, Eric Blake wrote: > On 05/08/2017 10:56 AM, Carl Karsten wrote: > > > juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses > -drive > > file=disk.cow -drive file=boot.img > > WARNING: Image format was not specified for 'boot.img' and probing >

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Eric Blake
On 05/08/2017 10:56 AM, Carl Karsten wrote: > juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses -drive > file=disk.cow -drive file=boot.img > WARNING: Image format was not specified for 'boot.img' and probing guessed > raw. > Automatically detecting t

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Daniel P. Berrange
On Mon, May 08, 2017 at 11:32:12AM -0400, John Snow wrote: > > > On 05/08/2017 10:15 AM, Carl Karsten wrote: > > On Mon, May 8, 2017 at 3:51 AM, Markus Armbruster wrote: > > > >> Carl Karsten writes: > >> > >>> juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses -drive > >>> file=di

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Carl Karsten
On Mon, May 8, 2017 at 10:32 AM, John Snow wrote: > > > On 05/08/2017 10:15 AM, Carl Karsten wrote: > > On Mon, May 8, 2017 at 3:51 AM, Markus Armbruster > wrote: > > > >> Carl Karsten writes: > >> > >>> juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses -drive > >>> file=disk.cow -

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread John Snow
On 05/08/2017 10:15 AM, Carl Karsten wrote: > On Mon, May 8, 2017 at 3:51 AM, Markus Armbruster wrote: > >> Carl Karsten writes: >> >>> juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses -drive >>> file=disk.cow -drive file=boot.img >>> WARNING: Image format was not specified for '

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Carl Karsten
On Mon, May 8, 2017 at 3:51 AM, Markus Armbruster wrote: > Carl Karsten writes: > > > juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses -drive > > file=disk.cow -drive file=boot.img > > WARNING: Image format was not specified for 'boot.img' and probing > guessed > > raw. > >

Re: [Qemu-devel] format=raw,readonly errors

2017-05-08 Thread Markus Armbruster
Carl Karsten writes: > juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses -drive > file=disk.cow -drive file=boot.img > WARNING: Image format was not specified for 'boot.img' and probing guessed > raw. > Automatically detecting the format is dangerous for raw images, > write

[Qemu-devel] format=raw,readonly errors

2017-05-07 Thread Carl Karsten
juser@gator:~/temp$ qemu-system-x86_64 -m 256 -display curses -drive file=disk.cow -drive file=boot.img WARNING: Image format was not specified for 'boot.img' and probing guessed raw. Automatically detecting the format is dangerous for raw images, write operations on block 0 will be restr