https://bugzilla.kernel.org/show_bug.cgi?id=85151 --- Comment #15 from linux-ide@xxxxxxxxxxxxx --- After the patch there are less issues. However only 1 HP SAS expander is usable on the Adaptec/Pmcs 2280800-R 7805H. # uname -a Linux ubuntu14 3.17.0-031700rc7-generic #201409281835 SMP Sun Sep 28 22:36:30 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux case #1: Attaching 1 expander to HBA port #1 (closest to bracket) = all 32 drives # lsscsi -g [0:0:0:0] disk ATA OCZ-VERTEX 1.3 /dev/sda /dev/sg0 [4:0:0:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdb /dev/sg1 [4:0:1:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdc /dev/sg2 [4:0:2:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdd /dev/sg3 [4:0:3:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sde /dev/sg4 [4:0:4:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdf /dev/sg5 [4:0:5:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdg /dev/sg6 [4:0:6:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdh /dev/sg7 [4:0:7:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdi /dev/sg8 [4:0:8:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdj /dev/sg9 [4:0:9:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdk /dev/sg10 [4:0:10:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdl /dev/sg11 [4:0:11:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdm /dev/sg12 [4:0:12:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdn /dev/sg13 [4:0:13:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdo /dev/sg14 [4:0:14:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdp /dev/sg15 [4:0:15:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdq /dev/sg16 [4:0:16:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdr /dev/sg17 [4:0:17:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sds /dev/sg18 [4:0:18:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdt /dev/sg19 [4:0:19:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdu /dev/sg20 [4:0:20:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdv /dev/sg21 [4:0:21:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdw /dev/sg22 [4:0:22:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdx /dev/sg23 [4:0:23:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdy /dev/sg24 [4:0:24:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdz /dev/sg25 [4:0:25:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdaa /dev/sg26 [4:0:26:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdab /dev/sg27 [4:0:27:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdac /dev/sg28 [4:0:28:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdad /dev/sg29 [4:0:29:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdae /dev/sg30 [4:0:30:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdaf /dev/sg31 [4:0:31:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdag /dev/sg32 [4:0:32:0] enclosu HP HP SAS EXP Card 2.10 - /dev/sg33 case #2: Attaching 1 expander to HBA port #2 = all 32 drives # lsscsi -g [0:0:0:0] disk ATA OCZ-VERTEX 1.3 /dev/sda /dev/sg0 [4:0:0:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdb /dev/sg1 [4:0:1:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdc /dev/sg2 [4:0:2:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdd /dev/sg3 [4:0:3:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sde /dev/sg4 [4:0:4:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdf /dev/sg5 [4:0:5:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdg /dev/sg6 [4:0:6:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdh /dev/sg7 [4:0:7:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdi /dev/sg8 [4:0:8:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdj /dev/sg9 [4:0:9:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdk /dev/sg10 [4:0:10:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdl /dev/sg11 [4:0:11:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdm /dev/sg12 [4:0:12:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdn /dev/sg13 [4:0:13:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdo /dev/sg14 [4:0:14:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdp /dev/sg15 [4:0:15:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdq /dev/sg16 [4:0:16:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdr /dev/sg17 [4:0:17:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sds /dev/sg18 [4:0:18:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdt /dev/sg19 [4:0:19:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdu /dev/sg20 [4:0:20:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdv /dev/sg21 [4:0:21:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdw /dev/sg22 [4:0:22:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdx /dev/sg23 [4:0:23:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdy /dev/sg24 [4:0:24:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdz /dev/sg25 [4:0:25:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdaa /dev/sg26 [4:0:26:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdab /dev/sg27 [4:0:27:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdac /dev/sg28 [4:0:28:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdad /dev/sg29 [4:0:29:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdae /dev/sg30 [4:0:30:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdaf /dev/sg31 [4:0:31:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdag /dev/sg32 [4:0:32:0] enclosu HP HP SAS EXP Card 2.10 - /dev/sg33 case #3: Attaching identical expanders to #1 and #2 = first 32 drives of 64 drives (only drives on port #1) # lsscsi -g [0:0:0:0] disk ATA OCZ-VERTEX 1.3 /dev/sda /dev/sg0 [4:0:0:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdb /dev/sg1 [4:0:1:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdc /dev/sg2 [4:0:2:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdd /dev/sg3 [4:0:3:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sde /dev/sg4 [4:0:4:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdf /dev/sg5 [4:0:5:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdg /dev/sg6 [4:0:6:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdh /dev/sg7 [4:0:7:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdi /dev/sg8 [4:0:8:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdj /dev/sg9 [4:0:9:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdk /dev/sg10 [4:0:10:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdl /dev/sg11 [4:0:11:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdm /dev/sg12 [4:0:12:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdn /dev/sg13 [4:0:13:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdo /dev/sg14 [4:0:14:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdp /dev/sg15 [4:0:15:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdq /dev/sg16 [4:0:16:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdr /dev/sg17 [4:0:17:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sds /dev/sg18 [4:0:18:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdt /dev/sg19 [4:0:19:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdu /dev/sg20 [4:0:20:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdv /dev/sg21 [4:0:21:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdw /dev/sg22 [4:0:22:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdx /dev/sg23 [4:0:23:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdy /dev/sg24 [4:0:24:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdz /dev/sg25 [4:0:25:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdaa /dev/sg26 [4:0:26:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdab /dev/sg27 [4:0:27:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdac /dev/sg28 [4:0:28:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdad /dev/sg29 [4:0:29:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdae /dev/sg30 [4:0:30:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdaf /dev/sg31 [4:0:31:0] disk ATA Hitachi HDS5C302 AAB0 /dev/sdag /dev/sg32 [4:0:32:0] enclosu HP HP SAS EXP Card 2.10 - /dev/sg33 See attachment for full debug dmesg output. case #4: Attaching 1 expander to HBA port #1, and attaching a second expander serially (the SFF-8088 port 1C of expander #1 to SFF-8087 port 8C of the second expander) results in dmesg output result -70 and 0 expanders detected in lsscsi -g. Dmesg tail: [ 466.935753] pm80xx mpi_smp_completion 2604:smp IO status 0x49 [ 466.936112] sas: smp_execute_task: task to dev 5001438023aad066 response: 0x0 status 0x80 [ 466.936488] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.936872] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.937211] sas: expander 5001438023aad066 discovery failed(0xffffffba) [ 466.937831] sas: DONE DISCOVERY on port 0, pid:1013, result:-70 [ 466.938212] sas: DOING DISCOVERY on port 1, pid:1013 [ 466.939344] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.939762] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.940242] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.940648] sas: RG to ex 5001438023aad066 failed:0xffffffba [ 466.941232] sas: DONE DISCOVERY on port 1, pid:1013, result:-70 [ 466.941670] sas: DOING DISCOVERY on port 2, pid:1013 [ 466.942264] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.942739] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.943221] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.943693] sas: RG to ex 5001438023aad066 failed:0xffffffba [ 466.944256] sas: DONE DISCOVERY on port 2, pid:1013, result:-70 [ 466.944777] sas: DOING DISCOVERY on port 3, pid:1013 [ 466.945455] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.945996] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.946538] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 466.947072] sas: RG to ex 5001438023aad066 failed:0xffffffba [ 466.947722] sas: DONE DISCOVERY on port 3, pid:1013, result:-70 -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
