Displaying 4 results from an estimated 4 matches for "helloworld_stat".
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helloworld_static
2015 Jul 07
2
I can read/write in virtio BLK Device, but I can't run a hello world program in it
...Members,
I am trying to develop a driver for virtio blk device in guest. I can safely mount the virtual blk device with: mount /dev/vda /mnt/
in /mnt/ I can read & write the device. But when I run a simple hello world program in /mnt/root/, this error happens:
root at linux_guest:/mnt/root# ./helloworld_static
[ 23.003459] CPU: 0 PID: 491 Comm: helloworld_stat Not tainted 3.19.1+ #101
[ 23.007030] Hardware name: ARM-Versatile Express
[ 23.010102] task: 970f2400 ti: 9184e000 task.ti: 9184e000
[ 23.011645] PC is at 0x11d6a
[ 23.012801] LR is at 0x89b3
[ 23.013627] pc : [<00011d6a>]...
2015 Jul 07
2
I can read/write in virtio BLK Device, but I can't run a hello world program in it
...Members,
I am trying to develop a driver for virtio blk device in guest. I can safely mount the virtual blk device with: mount /dev/vda /mnt/
in /mnt/ I can read & write the device. But when I run a simple hello world program in /mnt/root/, this error happens:
root at linux_guest:/mnt/root# ./helloworld_static
[ 23.003459] CPU: 0 PID: 491 Comm: helloworld_stat Not tainted 3.19.1+ #101
[ 23.007030] Hardware name: ARM-Versatile Express
[ 23.010102] task: 970f2400 ti: 9184e000 task.ti: 9184e000
[ 23.011645] PC is at 0x11d6a
[ 23.012801] LR is at 0x89b3
[ 23.013627] pc : [<00011d6a>]...
2015 Jul 07
0
I can read/write in virtio BLK Device, but I can't run a hello world program in it
...r that is already available in the
> kernel?
I am using a custom hypervisor, the available driver is not suitable for it.
>
> Have you already verified that you can successfully read the _right_
> data from your block device? I.e. something like
>
> mount /dev/xxx /mnt
> cp helloworld_static /mnt/root/helloworld_static
> umount /mnt # just to make sure that it is not cached
> mount /dev/xxx /mnt
> md5sum helloworld_static
> md5sum /mnt/root/helloworld_static
>
> ... and then compare the two md5sums whether they are the same?
They are different. Thank you so much....
2015 Jul 07
0
I can read/write in virtio BLK Device, but I can't run a hello world program in it
...e with: mount /dev/vda /mnt/
> in /mnt/ I can read & write the device. But when I run a simple hello world program in /mnt/root/, this error happens:
Have you already verified that you can successfully read the _right_
data from your block device? I.e. something like
mount /dev/xxx /mnt
cp helloworld_static /mnt/root/helloworld_static
umount /mnt # just to make sure that it is not cached
mount /dev/xxx /mnt
md5sum helloworld_static
md5sum /mnt/root/helloworld_static
... and then compare the two md5sums whether they are the same?
Thomas