[BUG] scsi: hpsa: how to destroy your files

[Eric Dumazet]

Stephen,

Current linux-3.1-rc4+ is a total disaster on my BL460c G6


Few seconds after boot, I get "cmd_alloc returned NULL" messages
or "hpsa 0000:0c:00.0: resetting device 0:0:0:0"

Usually lot of files are corrupted, fsck needed, and full distro
reinstall as well.

I tested on two different machines, same result.

Relevant hardware information :

	Manufacturer: HP
	Product Name: ProLiant BL460c G6
	Version: I24
	Release Date: 05/05/2011
	Intel(R) Xeon(R) CPU E5540 @ 2.53GHz  (two sockets)

0c:00.0 RAID bus controller: Hewlett-Packard Company Smart Array G6
controllers (rev 01)
	Subsystem: Hewlett-Packard Company Smart Array P410i
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at fbc00000 (64-bit, non-prefetchable) [size=4M]
	Memory at fbbf0000 (64-bit, non-prefetchable) [size=4K]
	I/O ports at 4000 [size=256]
	[virtual] Expansion ROM at e7200000 [disabled] [size=512K]
	Capabilities: [40] Power Management version 3
	Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [70] Express Endpoint, MSI 00
	Capabilities: [ac] MSI-X: Enable+ Count=16 Masked-
	Capabilities: [100] Advanced Error Reporting
	Kernel driver in use: hpsa

# hpacucli ctrl all show config detail

Smart Array P410i in Slot 0 (Embedded)
   Bus Interface: PCI
   Slot: 0
   Serial Number: 5001438006F44240
   RAID 6 (ADG) Status: Disabled
   Controller Status: OK
   Chassis Slot: 
   Hardware Revision: Rev C
   Firmware Version: 2.50
   Rebuild Priority: Medium
   Expand Priority: Medium
   Surface Scan Delay: 15 secs
   Surface Scan Mode: Idle
   Wait for Cache Room: Disabled
   Surface Analysis Inconsistency Notification: Disabled
   Post Prompt Timeout: 0 secs
   Cache Board Present: False
   Drive Write Cache: Disabled
   SATA NCQ Supported: True

   Array: A
      Interface Type: SATA
      Unused Space: 0 MB
      Status: OK



      Logical Drive: 1
         Size: 232.9 GB
         Fault Tolerance: RAID 1
         Heads: 255
         Sectors Per Track: 32
         Cylinders: 59844
         Strip Size: 128 KB
         Status: OK
         Unique Identifier: 600508B1001030364634343234300F00
         Disk Name: /dev/cciss/c0d0
         Mount Points: / 9.3 GB, /home 216.0 GB
         OS Status: LOCKED
         Logical Drive Label: A0124E845001438006F442403033
         Mirror Group 0:
            physicaldrive 1I:1:1 (port 1I:box 1:bay 1, SATA, 250 GB, OK)
         Mirror Group 1:
            physicaldrive 1I:1:2 (port 1I:box 1:bay 2, SATA, 250 GB, OK)

      physicaldrive 1I:1:1
         Port: 1I
         Box: 1
         Bay: 1
         Status: OK
         Drive Type: Data Drive
         Interface Type: SATA
         Size: 250 GB
         Firmware Revision: HPG2    
         Serial Number: K648T9C27M8E        
         Model: ATA     GJ0250EAGSQ     
         SATA NCQ Capable: True
         SATA NCQ Enabled: True
         PHY Count: 1
         PHY Transfer Rate: 3.0GBPS

      physicaldrive 1I:1:2
         Port: 1I
         Box: 1
         Bay: 2
         Status: OK
         Drive Type: Data Drive
         Interface Type: SATA
         Size: 250 GB
         Firmware Revision: HPG2    
         Serial Number: K648T9C27M49        
         Model: ATA     GJ0250EAGSQ     
         SATA NCQ Capable: True
         SATA NCQ Enabled: True
         PHY Count: 1
         PHY Transfer Rate: 3.0GBPS



64 bit kernel, 4GB of memory


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