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think nvme format issue - Coggle Diagram
think nvme format issue
observation
nvme format --force /dev/nvme1n1 -s 2 -l 1 -i 2 -p 0
90
memory corrupt
multipath device
nvme0c0n1 is nvme disk
queue
usage_counter
dead
freeze is in-progress
freeze_depth
1
nvme0n1 is multipath device
bio
bi_opf
4080000₁₆
bit 19
REQ_RAHEAD
bit 26
MPATH
slab debug
right redzone overwrite
always triggered on freeing READ bio?
sometimes it is triggered on WRITE bio
ideas
upstream kernel
has such issue
nvme format
lbs may change
dirty page cache isn't flushed
how does FW handle format when there are inflight requests?
rq_integrity_vec
can't work on merged bios
it returns the 1st bio's bip vec
nvme pi bio won't be merged
AMD specific issue?
nvme specific?
intel ssd
3DNAND
kernel issue?