Re: [Xen-devel] Cannot save/migrate domains

[Arthur Bergman <abergman@xxxxxxxxxxx>]

Digging around a bit more...

strace -f xfrd

xm save 2 foo

[pid 13618] open("/proc/xen/privcmd", O_RDWR) = 5
[pid 13618] gettimeofday({1107281605, 724657}, NULL) = 0
[pid 13618] write(1, "13615 [INF] XFRD> Accepted conne"..., 1278) = 1278
[pid 13618] mlock(0xbfffeea0, 2516)     = 0
[pid 13618] mlock(0xbfffbd50, 80)       = 0
[pid 13618] ioctl(5, SNDCTL_DSP_RESET, 0xbfffbd10) = 0
[pid 13618] munlock(0xbfffbd50, 80)     = 0
[pid 13618] old_mmap(NULL, 4096, PROT_READ, MAP_SHARED, 5, 0) = 
0x40019000
[pid 13618] ioctl(5, SNDCTL_DSP_SPEED or SOUND_PCM_READ_RATE, 
0xbfffbd90) = 0
[pid 13618] old_mmap(NULL, 4096, PROT_READ, MAP_SHARED, 5, 0) = 
0x4001a000
[pid 13618] ioctl(5, SNDCTL_DSP_SPEED or SOUND_PCM_READ_RATE, 
0xbfffbd90) = 0
[pid 13618] old_mmap(NULL, 131072, PROT_READ, MAP_SHARED, 5, 0) = 
0x40316000
[pid 13618] ioctl(5, SNDCTL_DSP_STEREO, 0xbfffbd90) = 0
[pid 13618] ioctl(5, SNDCTL_DSP_GETBLKSIZE, 0xbfffbdb4) = 0
[pid 13618] old_mmap(NULL, 4194304, PROT_READ, MAP_SHARED, 5, 0) = 
0x40336000
[pid 13618] ioctl(5, SNDCTL_DSP_SPEED or SOUND_PCM_READ_RATE, 
0xbfffbd90) = -1 EFAULT (Bad address)
[pid 13618] munmap(0x40336000, 4194304) = 0
[pid 13618] --- SIGSEGV (Segmentation fault) @ 0 (0) ---
Process 13618 detached


Any hints on how to track this down?

-----
CTO @ Fotango Ltd
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http://www.fotango.com/

On 1 Feb 2005, at 09:27, Arthur Bergman wrote:

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