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Petersen wrote: > > Chris, > >> [ 195.647081] sd 0:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s >> [ 195.647093] sd 0:0:0:0: [sda] tag#0 Sense Key : Illegal Request [current] >> [ 195.647096] sd 0:0:0:0: [sda] tag#0 Add. Sense: Invalid command operation code >> [ 195.647099] sd 0:0:0:0: [sda] tag#0 CDB: Write same(16) 93 08 00 00 00 00 04 dd 42 f8 00 00 2d 48 00 00 >> [ 195.647101] critical target error, dev sda, sector 81609464 op 0x3:(DISCARD) flags 0x800 phys_seg 1 prio class 0 > > I would appreciate if you could test the following patch. > > Thanks! > That solves the issue I was seeing on default scsi_debug, like this: # mkfs.xfs -V mkfs.xfs version 5.14.2 # mkfs.xfs /dev/sda meta-data=/dev/sda isize=512 agcount=4, agsize=22400 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=0 = reflink=1 bigtime=0 inobtcount=0 data = bsize=4096 blocks=89600, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0, ftype=1 log =internal log bsize=4096 blocks=1368, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 [ 29.399767] sd 0:0:0:0: [sda] tag#166 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.401463] sd 0:0:0:0: [sda] tag#166 Sense Key : Illegal Request [current] [ 29.403072] sd 0:0:0:0: [sda] tag#166 Add. Sense: Invalid field in cdb [ 29.404076] sd 0:0:0:0: [sda] tag#166 CDB: Write same(16) 93 08 00 00 00 00 00 00 00 00 00 00 ff ff 00 00 [ 29.405344] critical target error, dev sda, sector 0 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.408127] sd 0:0:0:0: [sda] tag#167 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.410054] sd 0:0:0:0: [sda] tag#167 Sense Key : Illegal Request [current] [ 29.413442] sd 0:0:0:0: [sda] tag#167 Add. Sense: Invalid field in cdb [ 29.414552] sd 0:0:0:0: [sda] tag#167 CDB: Write same(16) 93 08 00 00 00 00 00 00 ff ff 00 00 ff ff 00 00 [ 29.416241] critical target error, dev sda, sector 65535 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.418022] sd 0:0:0:0: [sda] tag#168 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.419604] sd 0:0:0:0: [sda] tag#168 Sense Key : Illegal Request [current] [ 29.420826] sd 0:0:0:0: [sda] tag#168 Add. Sense: Invalid field in cdb [ 29.421978] sd 0:0:0:0: [sda] tag#168 CDB: Write same(16) 93 08 00 00 00 00 00 01 ff fe 00 00 ff ff 00 00 [ 29.423591] critical target error, dev sda, sector 131070 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.425301] sd 0:0:0:0: [sda] tag#169 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.426856] sd 0:0:0:0: [sda] tag#169 Sense Key : Illegal Request [current] [ 29.428020] sd 0:0:0:0: [sda] tag#169 Add. Sense: Invalid field in cdb [ 29.429329] sd 0:0:0:0: [sda] tag#169 CDB: Write same(16) 93 08 00 00 00 00 00 02 ff fd 00 00 ff ff 00 00 [ 29.431314] critical target error, dev sda, sector 196605 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.433681] sd 0:0:0:0: [sda] tag#170 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.435182] sd 0:0:0:0: [sda] tag#170 Sense Key : Illegal Request [current] [ 29.436328] sd 0:0:0:0: [sda] tag#170 Add. Sense: Invalid field in cdb [ 29.437372] sd 0:0:0:0: [sda] tag#170 CDB: Write same(16) 93 08 00 00 00 00 00 03 ff fc 00 00 ff ff 00 00 [ 29.438895] critical target error, dev sda, sector 262140 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.440572] sd 0:0:0:0: [sda] tag#171 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.442080] sd 0:0:0:0: [sda] tag#171 Sense Key : Illegal Request [current] [ 29.443277] sd 0:0:0:0: [sda] tag#171 Add. Sense: Invalid field in cdb [ 29.444353] sd 0:0:0:0: [sda] tag#171 CDB: Write same(16) 93 08 00 00 00 00 00 04 ff fb 00 00 ff ff 00 00 [ 29.445919] critical target error, dev sda, sector 327675 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.447607] sd 0:0:0:0: [sda] tag#172 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.449145] sd 0:0:0:0: [sda] tag#172 Sense Key : Illegal Request [current] [ 29.450327] sd 0:0:0:0: [sda] tag#172 Add. Sense: Invalid field in cdb [ 29.451447] sd 0:0:0:0: [sda] tag#172 CDB: Write same(16) 93 08 00 00 00 00 00 05 ff fa 00 00 ff ff 00 00 [ 29.452995] critical target error, dev sda, sector 393210 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.454712] sd 0:0:0:0: [sda] tag#173 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.456199] sd 0:0:0:0: [sda] tag#173 Sense Key : Illegal Request [current] [ 29.457409] sd 0:0:0:0: [sda] tag#173 Add. Sense: Invalid field in cdb [ 29.458486] sd 0:0:0:0: [sda] tag#173 CDB: Write same(16) 93 08 00 00 00 00 00 06 ff f9 00 00 ff ff 00 00 [ 29.459836] critical target error, dev sda, sector 458745 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.461266] sd 0:0:0:0: [sda] tag#174 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.462608] sd 0:0:0:0: [sda] tag#174 Sense Key : Illegal Request [current] [ 29.463791] sd 0:0:0:0: [sda] tag#174 Add. Sense: Invalid field in cdb [ 29.464854] sd 0:0:0:0: [sda] tag#174 CDB: Write same(16) 93 08 00 00 00 00 00 07 ff f8 00 00 ff ff 00 00 [ 29.466695] critical target error, dev sda, sector 524280 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 [ 29.468364] sd 0:0:0:0: [sda] tag#175 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s [ 29.469774] sd 0:0:0:0: [sda] tag#175 Sense Key : Illegal Request [current] [ 29.470890] sd 0:0:0:0: [sda] tag#175 Add. Sense: Invalid field in cdb [ 29.471867] sd 0:0:0:0: [sda] tag#175 CDB: Write same(16) 93 08 00 00 00 00 00 08 ff f7 00 00 ff ff 00 00 [ 29.473323] critical target error, dev sda, sector 589815 op 0x3:(DISCARD) flags 0x4800 phys_seg 1 prio class 0 # #