I monitored the overlapping requests and they are directed
to my swap device, here is a typical example:
pid 6089 sector 3472 size 8 write
pid 6090 sector 3488 size 56 write
pid 6091 sector 896 size 8 read
pid 6092 sector 2520 size 8 read
pid 6093 sector 3528 size 8 read
Here pid 6090 and pid 6093 overlap and if for some reason they are
performed in reverse order (think to scsi tagged commands)
this would clearly explain the memory corruption.
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