> I have already set up many drives of this size previously, using > ASR8xx5 controllers, without any problem. > > On another machine with a simple 8x1TB array, it doesn't work any better, while > an older kernel works perfectly fine too: > > 4.14.48 : > > [ 61.069190] Adaptec aacraid driver 1.2.1[50834]-custom > [ 61.069527] aacraid 0000:21:00.0: SME is active, device will require DMA > bounce buffers > [ 61.076949] SME is active and system is using DMA bounce buffers > [ 61.076954] aacraid: Comm Interface type2 enabled > Both controllers are capable of 64-bit DMA, however the communication area should be 32-bit. Is this issue specific to Secure Memory Encryption? Does it occur without that enabled? > > Nothing else happens for minutes. Attached devices are unavailable. > "arcconf" find no controller. "rmmod aacraid" doesn't work (device in use). > > Running kernel 4.16.14 with the 8 TB array is exactly the same: Thanks for that info ... I won't have to find a lot of drives. > > [ 40.380488] Adaptec aacraid driver 1.2.1[50877]-custom > [ 40.380871] aacraid 0000:21:00.0: SME is active, device will require DMA > bounce buffers > [ 40.388991] SME is active and system is using DMA bounce buffers > [ 40.388995] aacraid: Comm Interface type2 enabled > > In contrast, kernel 4.13, though the driver version is the same as 4.14, just > works: > > [ 25.286437] Adaptec aacraid driver 1.2.1[50834]-custom > [ 25.293694] aacraid: Comm Interface type2 enabled > [ 25.300799] AAC0: kernel 7.13-0[33263] Mar 16 2018 > [ 25.300801] AAC0: monitor 7.13-0[33263] > [ 25.300802] AAC0: bios 7.13-0[33263] > [ 25.300804] AAC0: serial 6A46639462D > [ 25.300804] AAC0: Non-DASD support enabled. > [ 25.300805] AAC0: 64bit support enabled. > [ 25.300807] aacraid 0000:21:00.0: 64 Bit DAC enabled > ... > [ 27.307013] scsi host16: aacraid > [ 27.307228] scsi 16:0:0:0: Direct-Access ASR8805 LogicalDrv 0 V1.0 PQ: 0 > ANSI: 2 > [ 27.307364] sd 16:0:0:0: [sdm] Very big device. Trying to use READ > CAPACITY(16). > [ 27.307376] sd 16:0:0:0: [sdm] 11714670592 512-byte logical blocks: (6.00 > TB/5.45 TiB) > [ 27.307385] sd 16:0:0:0: [sdm] Write Protect is off > [ 27.307386] sd 16:0:0:0: [sdm] Mode Sense: 12 00 10 08 > [ 27.307403] sd 16:0:0:0: [sdm] Write cache: disabled, read cache: enabled, > supports DPO and FUA > [ 27.307411] sd 16:0:0:0: Attached scsi generic sg12 type 0 > [ 27.307507] sd 16:0:0:0: [sdm] Very big device. Trying to use READ > CAPACITY(16). > [ 27.307830] sd 16:0:0:0: [sdm] Very big device. Trying to use READ > CAPACITY(16). > [ 27.307855] sd 16:0:0:0: [sdm] Attached SCSI removable disk > [ 27.332731] scsi 16:1:0:0: Direct-Access ATA WDC WD10TPVT-00U 1A01 > PQ: 1 ANSI: 6 > [ 27.355431] scsi 16:1:0:0: Attached scsi generic sg13 type 0 > [ 27.355830] scsi 16:1:1:0: Direct-Access ATA WDC WD10TPVT-00U 1A01 > PQ: 1 ANSI: 6 > [ 27.385377] scsi 16:1:1:0: Attached scsi generic sg14 type 0 > [ 27.385788] scsi 16:1:2:0: Direct-Access ATA WDC WD10TPVT-00U 1A01 > PQ: 1 ANSI: 6 > [ 27.413412] scsi 16:1:2:0: Attached scsi generic sg15 type 0 > [ 27.413813] scsi 16:1:3:0: Direct-Access ATA WDC WD10TPVT-00U 1A01 > PQ: 1 ANSI: 6 > [ 27.437420] scsi 16:1:3:0: Attached scsi generic sg16 type 0 > [ 27.437836] scsi 16:1:4:0: Direct-Access ATA WDC WD10TPVT-00H 1A01 > PQ: 1 ANSI: 6 > [ 27.636675] scsi 16:1:4:0: Attached scsi generic sg17 type 0 > [ 27.637077] scsi 16:1:5:0: Direct-Access ATA WDC WD10TPVT-00U 1A01 > PQ: 1 ANSI: 6 > [ 27.664591] scsi 16:1:5:0: Attached scsi generic sg18 type 0 > [ 27.664996] scsi 16:1:6:0: Direct-Access ATA WDC WD10TPVT-00U 1A01 > PQ: 1 ANSI: 6 > [ 27.697619] scsi 16:1:6:0: Attached scsi generic sg19 type 0 > [ 27.698027] scsi 16:1:7:0: Direct-Access ATA WDC WD10TPVT-00U 1A01 > PQ: 1 ANSI: 6 > [ 27.732645] scsi 16:1:7:0: Attached scsi generic sg20 type 0 > Thanks for the additional info ... -Dave
