https://bugzilla.kernel.org/show_bug.cgi?id=85151 Bug ID: 85151 Summary: pm80xx + 7805H + HP SAS port expander = mpi_smp_completion 2604:smp IO status 0x2 and sas: expander ... discovery failed(0xffffffa6) Product: SCSI Drivers Version: 2.5 Kernel Version: 3.17 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Other Assignee: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx Reporter: linux-ide@xxxxxxxxxxxxx Regression: No ASRock H81 + Intel Celeron G1840 Adaptec 7805H HP SAS Expander, firmware 2.08 Steps to reproduce: 1. blacklist pm80xx 2. reboot 3. modprobe -v pm80xx insmod /lib/modules/3.17.0-999-generic/kernel/drivers/scsi/scsi_transport_sas.ko insmod /lib/modules/3.17.0-999-generic/kernel/drivers/scsi/libsas/libsas.ko insmod /lib/modules/3.17.0-999-generic/kernel/drivers/scsi/pm8001/pm80xx.ko Dmesg output returns failure and sas discovery failure messages. And "lsscsi -g" does not show new devices. Dmesg output: [ 85.396376] pm80xx 0000:01:00.0: pm80xx: driver version 0.1.37 [ 85.396441] pm80xx 0000:01:00.0: enabling device (0000 -> 0002) [ 86.258014] scsi host2: pm80xx [ 86.258261] pm80xx 0000:01:00.0: irq 29 for MSI/MSI-X ... [ 86.261347] pm80xx 0000:01:00.0: irq 92 for MSI/MSI-X [ 86.757671] sas: phy-2:4 added to port-2:0, phy_mask:0x10 (5001438023aad066) [ 86.758242] sas: phy-2:5 added to port-2:1, phy_mask:0x20 (5001438023aad066) [ 86.758699] sas: phy-2:6 added to port-2:2, phy_mask:0x40 (5001438023aad066) [ 86.759163] sas: phy-2:7 added to port-2:3, phy_mask:0x80 (5001438023aad066) [ 86.759579] sas: DOING DISCOVERY on port 0, pid:60 [ 86.762141] pm80xx mpi_smp_completion 2604:smp IO status 0x2 [ 86.762587] sas: expander 5001438023aad066 discovery failed(0xffffffa6) [ 86.763278] sas: DONE DISCOVERY on port 0, pid:60, result:-90 [ 86.763766] sas: DOING DISCOVERY on port 1, pid:60 [ 86.764597] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.765155] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.765710] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.766269] sas: RG to ex 5001438023aad066 failed:0xffffffba [ 86.767097] sas: DONE DISCOVERY on port 1, pid:60, result:-70 [ 86.767704] sas: DOING DISCOVERY on port 2, pid:60 [ 86.768601] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.769272] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.769981] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.770601] sas: RG to ex 5001438023aad066 failed:0xffffffba [ 86.771400] sas: DONE DISCOVERY on port 2, pid:60, result:-70 [ 86.772067] sas: DOING DISCOVERY on port 3, pid:60 [ 86.773587] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.774592] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.775596] sas: smp_execute_task: task to dev 5001438023aad066 response: 0xffffffff status 0x8a [ 86.776273] sas: RG to ex 5001438023aad066 failed:0xffffffba [ 86.778343] sas: DONE DISCOVERY on port 3, pid:60, result:-70 Regression: 1. Different HBA SAS connector, SAS cable and HP SAS expander: [ 558.633914] pm80xx 0000:01:00.0: pm80xx: driver version 0.1.37 [ 558.633984] pm80xx 0000:01:00.0: enabling device (0000 -> 0002) [ 559.495069] scsi host2: pm80xx [ 559.495922] pm80xx 0000:01:00.0: irq 29 for MSI/MSI-X ... [ 559.499132] pm80xx 0000:01:00.0: irq 92 for MSI/MSI-X [ 559.993123] sas: phy-2:0 added to port-2:0, phy_mask:0x1 (5001438018c7ed26) [ 559.993660] sas: phy-2:1 added to port-2:1, phy_mask:0x2 (5001438018c7ed26) [ 559.994187] sas: phy-2:2 added to port-2:2, phy_mask:0x4 (5001438018c7ed26) [ 559.994997] sas: phy-2:3 added to port-2:3, phy_mask:0x8 (5001438018c7ed26) [ 559.995429] sas: DOING DISCOVERY on port 0, pid:1017 [ 559.999109] pm80xx mpi_smp_completion 2604:smp IO status 0x2 [ 559.999551] sas: expander 5001438018c7ed26 discovery failed(0xffffffa6) [ 560.000294] sas: DONE DISCOVERY on port 0, pid:1017, result:-90 [ 560.000787] sas: DOING DISCOVERY on port 1, pid:1017 [ 560.001896] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.002457] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.003131] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.003688] sas: RG to ex 5001438018c7ed26 failed:0xffffffba [ 560.004459] sas: DONE DISCOVERY on port 1, pid:1017, result:-70 [ 560.005104] sas: DOING DISCOVERY on port 2, pid:1017 [ 560.005975] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.006697] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.007500] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.008174] sas: RG to ex 5001438018c7ed26 failed:0xffffffba [ 560.009052] sas: DONE DISCOVERY on port 2, pid:1017, result:-70 [ 560.009818] sas: DOING DISCOVERY on port 3, pid:1017 [ 560.012035] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.012849] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.013585] sas: smp_execute_task: task to dev 5001438018c7ed26 response: 0xffffffff status 0x8a [ 560.014305] sas: RG to ex 5001438018c7ed26 failed:0xffffffba [ 560.015652] sas: DONE DISCOVERY on port 3, pid:1017, result:-70 Despite the failure messages, the pm80xx module seems to load fine: # lsmod | grep pm80xx pm80xx 158147 0 libsas 89155 1 pm80xx scsi_transport_sas 41028 2 libsas,pm80xx # dmesg [ 19.226666] pm80xx 0000:01:00.0: pm80xx: driver version 0.1.37 [ 19.226738] pm80xx 0000:01:00.0: enabling device (0000 -> 0002) [ 20.088440] scsi host2: pm80xx [ 20.088768] pm80xx 0000:01:00.0: irq 29 for MSI/MSI-X ...till... [ 20.091913] pm80xx 0000:01:00.0: irq 92 for MSI/MSI-X LED status of the Adaptec 7805 host bus adapter: BOOT = off RAAE = off IOP0 = off IOP1 = off Activity 0 = off Activity 1 = solid green Activity 2 = off Activity 3 = off LED status of the HP SAS expander card: CR1 = solid green CR2 = solid green CR3 = solid green CR4 = off CR5 = off CR6 = blinks green uname -a Linux ubuntu14 3.17.0-999-generic #201409240305 SMP Wed Sep 24 02:07:04 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux -- 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
