[Xen-devel] when I suspended the domain，but xc_domain_save error

[butine@xxxxxxxxxx]

hello,Dario,

when I debug the move memory between the nodes,I have confronted with the problem-"can not write the p2m",as follows:

#0  0x00007ffff685e910 in write () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff77909c0 in write_exact (fd=10, data="" size=8) at xc_private.c:832
#2  0x00007ffff735b79e in xc_domain_save (xch=0x620050, io_fd=10, dom=1, max_iters=29, max_factor=3, flags=<optimized out>, callbacks=0x7fffffffe860, hvm=1)
    at xc_domain_save.c:1122
#3  0x00007ffff79bdbd5 in libxl__domain_suspend_common (ctx=0x61f420, domid=1, fd=10, hvm=1, live=<optimized out>, debug=<optimized out>) at libxl_dom.c:1127
#4  0x00007ffff79ad16d in libxl_domain_suspend (ctx=0x61f420, info=0x7fffffffe960, domid=1, fd=10) at libxl.c:547

if ( write_exact(io_fd, &dinfo->p2m_size, sizeof(unsigned long)) )
    {
        PERROR("write: p2m_size");
        goto out;
    }

Thanks,

Regards,

Butine Huang

2013-08-18

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