From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 186551] mkfs.ext4 tries to discard sector beyond the end of the
device
Date: Tue, 01 Nov 2016 19:54:09 +0000
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--- Comment #10 from Tamas Vincze ---
# blkdiscard -v --offset 700G --step 1073741824 /dev/nvme0n1p1
blkdiscard: /dev/nvme0n1p1: BLKDISCARD ioctl failed: Input/output error
[606050.283746] blk_update_request: I/O error, dev nvme0n1, sector 1547700224
# blkdiscard -v --length=700G /dev/nvme0n1p1
/dev/nvme0n1p1: Discarded 751619276800 bytes from the offset 0
Looks like it's having problems above 700G.
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