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CONTAP-494868: Storage controller disruption due to a race condition between "wafl_close_unlink_load_origin" and "wafl_remote_retrieve"

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ontap-9
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nas
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Issue

Storage controller disruption due to a race condition between wafl_close_unlink_load_origin and wafl_remote_retrieve with following the message:

page fault (supervisor write data, page not present) on VA 0x4 cs:rip 0x20:0xffffffff8a64fcea rflags 0x10246 in SK process wafl_exempt05 on release 9.14.1P1 (C)

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