FYI, we noticed the below changes on git://git.kernel.org/pub/scm/linux/kernel/git/mlin/linux.git block-generic-req commit 3b4809b871881433e502d6fe70ae556bcfc9b10d ("block: remove split code in blkdev_issue_discard") [ 26.092126] blk_update_request: I/O error, dev sdc, sector 0 [ 26.093754] request botched: dev sdc: type=1, flags=245b0081 [ 26.095326] sector 0, nr/cnr 0/0 [ 26.096301] blk_update_request: I/O error, dev sdd, sector 0 [ 26.096303] request botched: dev sdd: type=1, flags=245b0081 [ 26.096304] sector 0, nr/cnr 0/0 [ 26.096306] bio ffff88003f69c600, biotail ffff88003f69c600, len 0 [ 26.096313] sd 0:0:1:2: [sdd] FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK [ 26.096317] sd 0:0:1:2: [sdd] CDB: Unmap/Read sub-channel 42 00 00 00 00 00 00 00 18 00 [ 26.096318] blk_update_request: I/O error, dev sdd, sector 0 [ 26.108103] blk_update_request: I/O error, dev sda, sector 0 [ 26.108106] request botched: dev sda: type=1, flags=245b0081 [ 26.108107] sector 0, nr/cnr 0/0 [ 26.108108] bio ffff88003f60e000, biotail ffff88003f60e000, len 0 [ 26.108115] sd 0:0:1:0: [sda] FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK [ 26.108119] sd 0:0:1:0: [sda] CDB: Unmap/Read sub-channel 42 00 00 00 00 00 00 00 18 00 [ 26.108120] blk_update_request: I/O error, dev sda, sector 0 [ 26.108139] blk_update_request: I/O error, dev sdb, sector 0 [ 26.108141] request botched: dev sdb: type=1, flags=245b0081 [ 26.108141] sector 0, nr/cnr 0/0 [ 26.108142] bio ffff88003f994600, biotail ffff88003f994600, len 0 [ 26.108145] sd 0:0:1:4: [sdb] FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK [ 26.108147] sd 0:0:1:4: [sdb] CDB: Unmap/Read sub-channel 42 00 00 00 00 00 00 00 18 00 [ 26.108148] blk_update_request: I/O error, dev sdb, sector 0 [ 26.201490] bio ffff88003f64a200, biotail ffff88003f64a200, len 0 [ 26.213616] sd 0:0:1:3: [sdc] FAILED Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK [ 26.216062] sd 0:0:1:3: [sdc] CDB: Unmap/Read sub-channel 42 00 00 00 00 00 00 00 18 00 [ 26.218559] blk_update_request: I/O error, dev sdc, sector 0 To reproduce: git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp run job.yaml Disclaimer: Results have been estimated based on internal Intel analysis and are provided for informational purposes only. Any difference in system hardware or software design or configuration may affect actual performance. Thanks, Ying Huang