Also see this answer of Avadh, if it helps:
On Sat, Aug 27, 2011 at 11:09 AM, avadh patel <[email protected]> wrote: I noticed that you tried to run 'create_checkpoint' script on '.img' (raw image) file. Checkpoints are only supported in '.qcow2' images. You can convert from .img to .qcow using 'qemu-img' which will be in 'qemu/' folder. Once the checkpoints are created, you can confirm its available by running following command: $ qemu-img info your_qcow2_file It will list the available checkpoints/snapshots in the qcow2 image. These scripts use old parameters to create a checkpoint which is slow. You need to use 'cache=unsafe' option to create/load checkpoints faster. I have uploaded new scripts on github that reflects this change. - Avadh On Thu, Sep 1, 2011 at 9:11 AM, mihai pricopi <[email protected]>wrote: > Hi, > > I am new with marssx86 simulator and I want to run the > create_checkpoints.py script. I keep getting this error and I don't > understand what is wrong: > > python scripts/create_checkpoints.py > Execution command: /home/mihai/work/marss/qemu/qemu-system-x86_64 -m 1024 > -serial pty -vnc :20 -cpu singleCore -drive > file=/home/mihai/work/marss/disk_images/parsecROI.img > Number of Chekcpoints to create: 1 > Starting QEMU for checkpoint: blackscholes > initing the ooomachine > char device redirected to /dev/pts/3 > Traceback (most recent call last): > File "scripts/create_checkpoints.py", line 445, in <module> > pty_to_stdout(pty_term, ':') > File "scripts/create_checkpoints.py", line 410, in pty_to_stdout > chr = os.read(fd, 1) > OSError: [Errno 5] Input/output error > > Can you help please ? > > Thanks > > _______________________________________________ > http://www.marss86.org > Marss86-Devel mailing list > [email protected] > https://www.cs.binghamton.edu/mailman/listinfo/marss86-devel > >
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