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mtip32xx issue (mq-deadline (mq io scheduler framework (init_cmd (double…
mtip32xx issue
mq-deadline
mq io scheduler framework
driver tag for internal command
init_cmd
no coherent memory allocation failure
double allocation
dd test
it is ok to transfer 4k bytes
but not works if 40k is transfered
what happened in the completion path?
but fio doesn't work fine
mq-deadline
issue itsefl
IRQ lost
dd if=/dev/rssda of=/dev/null bs=512 count=1
rq passed to mtip32xx is correct
sg generated is correct
echo mq-deadline > ....
Hardware error from APEI
reading partition table from kernel
read 16k by dd