On Tue, 27 Mar 2007 21:18:17 +0200 "Cédric Boutillier" <[EMAIL PROTECTED]> wrote:
> Hi !
>
> Tim said:
> > Apparently it should be an `unsigned long long', which would make
> > printf("blkdev: %llu \n", blkdev); the correct way to print it.
>
> héhé ! I got a non zero result !!! Thanks Tim ! (Should I be happy ? :) )
Maybe.
> $sudo s2both
> suspend: resume_dev = 268462812
> blkdev: 771
> suspend: Could not use the resume device (try swapon -a)
> zsh: exit 22 sudo s2both
I hadn't noticed that Rafael had let you print out the exact same
number (resume_dev), but with a different specifier (%lu). He thought
that dev_t is unsigned long, while on your arch it is unsigned long long.
Well I haven't done the math, but apparently, if we cast print out the
ull number 771 in BE as an ul number we get 268462812.
Now the problem is that the kernel (just like Rafael) expects an
unsigned long. I think we better fix this in the kernel, but can you
try if this works (I must confess I don't now if this makes sense):
diff -u -r1.70 suspend.c
--- suspend.c 16 Mar 2007 16:02:22 -0000 1.70
+++ suspend.c 27 Mar 2007 20:36:52 -0000
@@ -208,7 +208,7 @@
swap.offset = offset;
error = ioctl(dev, SNAPSHOT_SET_SWAP_AREA, &swap);
if (error && !offset)
- error = ioctl(dev, SNAPSHOT_SET_SWAP_FILE, blkdev);
+ error = ioctl(dev, SNAPSHOT_SET_SWAP_FILE, (unsigned long)
blkdev);
return error;
}
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