[Bug 15001] New: megaraid_sas fills dmesg with megasas: Failed to copy out to user sense data

[Bug 15001] New: megaraid_sas fills dmesg with megasas: Failed to copy out to user sense data

[bugzilla-daemon]

http://bugzilla.kernel.org/show_bug.cgi?id=15001

           Summary: megaraid_sas fills dmesg with megasas: Failed to copy
                    out to user sense data
           Product: SCSI Drivers
           Version: 2.5
    Kernel Version: 2.6.31.8 2.6.31.9 2.6.31.10
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
        AssignedTo: scsi_drivers-other@kernel-bugs.osdl.org
        ReportedBy: mailatgoogl@gmail.com
        Regression: Yes


starting from 2.6.31.8 megaraid_sas driver fills dmesg with 

megasas: Failed to copy out to user sense data


I donwloaded and build megaraid_sas from dell site :  megaraid_sas-v00.00.04.17

but without any result , I still get this messages .

on 2.6.31.7 it worked just fine .


uname -a
Linux myhost 2.6.31.10-grsec #1 SMP Thu Jan 7 11:13:42 CET 2010 x86_64
GNU/Linux


 modinfo megaraid_sas
filename:      
/lib/modules/2.6.31.10-grsec/kernel/drivers/scsi/megaraid/megaraid_sas.ko
description:    LSI MegaRAID SAS Driver
author:         megaraidlinux@lsi.com
version:        00.00.04.01
license:        GPL
srcversion:     78C40B2F67D5AE7885571F9
alias:          pci:v00001028d00000015sv*sd*bc*sc*i*
alias:          pci:v00001000d00000413sv*sd*bc*sc*i*
alias:          pci:v00001000d00000079sv*sd*bc*sc*i*
alias:          pci:v00001000d00000078sv*sd*bc*sc*i*
alias:          pci:v00001000d0000007Csv*sd*bc*sc*i*
alias:          pci:v00001000d00000060sv*sd*bc*sc*i*
alias:          pci:v00001000d00000411sv*sd*bc*sc*i*
depends:        scsi_mod
vermagic:       2.6.31.10-grsec SMP mod_unload modversions 
parm:           poll_mode_io:Complete cmds from IO path, (default=0) (int)


#lspci
00:00.0 Host bridge: Intel Corporation QuickPath Architecture I/O Hub to ESI
Port (rev 13)
00:01.0 PCI bridge: Intel Corporation QuickPath Architecture I/O Hub PCI
Express Root Port 1 (rev 13)
00:03.0 PCI bridge: Intel Corporation QuickPath Architecture I/O Hub PCI
Express Root Port 3 (rev 13)
00:04.0 PCI bridge: Intel Corporation QuickPath Architecture I/O Hub PCI
Express Root Port 4 (rev 13)
00:05.0 PCI bridge: Intel Corporation QuickPath Architecture I/O Hub PCI
Express Root Port 5 (rev 13)
00:06.0 PCI bridge: Intel Corporation QuickPath Architecture I/O Hub PCI
Express Root Port 6 (rev 13)
00:07.0 PCI bridge: Intel Corporation QuickPath Architecture I/O Hub PCI
Express Root Port 7 (rev 13)
00:14.0 PIC: Intel Corporation QuickPath Architecture I/O Hub System Management
Registers (rev 13)
00:14.1 PIC: Intel Corporation QuickPath Architecture I/O Hub GPIO and Scratch
Pad Registers (rev 13)
00:14.2 PIC: Intel Corporation QuickPath Architecture I/O Hub Control Status
and RAS Registers (rev 13)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #5 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #2 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #2 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI
Controller #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
00:1f.0 ISA bridge: Intel Corporation 82801IB (ICH9) LPC Interface Controller
(rev 02)
00:1f.2 IDE interface: Intel Corporation 82801IB (ICH9) 2 port SATA IDE
Controller (rev 02)
01:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit
Ethernet (rev 20)
01:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit
Ethernet (rev 20)
02:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit
Ethernet (rev 20)
02:00.1 Ethernet controller: Broadcom Corporation NetXtreme II BCM5709 Gigabit
Ethernet (rev 20)
03:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 1078 (rev
04)
04:00.0 Fibre Channel: QLogic Corp. ISP2432-based 4Gb Fibre Channel to PCI
Express HBA (rev 03)
04:00.1 Fibre Channel: QLogic Corp. ISP2432-based 4Gb Fibre Channel to PCI
Express HBA (rev 03)
07:03.0 VGA compatible controller: Matrox Graphics, Inc. MGA G200eW WPCM450
[Hermon] - Winbond/Nuvoton (rev 0a)

Please tell me if you need any additional information .
thank you , 
Alex

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[Bug 15001] megaraid_sas fills dmesg with megasas: Failed to copy out to user sense data

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--- Comment #1 from bo yang <bo.yang@lsi.com>  2010-01-08 16:21:12 ---
We submited 4.12 driver to upstream which accepted by main stream 2.6.33. Is
there available to try 4.12?

Thanks,

Bo Yang

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[Bug 15001] megaraid_sas fills dmesg with megasas: Failed to copy out to user sense data

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--- Comment #2 from Alex <mailatgoogl@gmail.com>  2010-01-11 11:04:26 ---
Created an attachment (id=24507)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24507)
dmesg 

dmesg

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--- Comment #3 from Alex <mailatgoogl@gmail.com>  2010-01-11 11:12:51 ---
Hello , 
so what I have done  :

I copied megaraid directory from 2.6.33-rc3  and compiled module 

here is my Makefile 
obj-$(CONFIG_MEGARAID_MM)       += megaraid_mm.o
obj-$(CONFIG_MEGARAID_MAILBOX)  += megaraid_mbox.o
obj-$(CONFIG_MEGARAID_SAS)      += megaraid_sas.o
KDIR := /lib/modules/2.6.31.11-grsec/build
PWD := $(shell pwd)
default:
        $(MAKE) -C $(KDIR) SUBDIRS=$(PWD) CONFIG_DEBUG_SECTION_MISMATCH=y
modules

and here is the make's output 

/home/pkg/megaraid/megaraid# make 
make -C /lib/modules/2.6.31.11-grsec/build SUBDIRS=/home/pkg/megaraid/megaraid
CONFIG_DEBUG_SECTION_MISMATCH=y modules
make[1]: Entering directory `/usr/src/linux-headers-2.6.31.11-grsec'
  Building modules, stage 2.
  MODPOST 1 modules
WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x30): Section
mismatch in reference from the variable megasas_pci_driver to the function
.text:megasas_suspend()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x48): Section
mismatch in reference from the variable megasas_pci_driver to the function
.text:megasas_resume()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x50): Section
mismatch in reference from the variable megasas_pci_driver to the function
.text:megasas_shutdown()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0xf8): Section
mismatch in reference from the variable driver_attr_poll_mode_io to the
function .text:megasas_sysfs_show_poll_mode_io()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x100): Section
mismatch in reference from the variable driver_attr_poll_mode_io to the
function .text:megasas_sysfs_set_poll_mode_io()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x128): Section
mismatch in reference from the variable driver_attr_dbg_lvl to the function
.text:megasas_sysfs_show_dbg_lvl()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x130): Section
mismatch in reference from the variable driver_attr_dbg_lvl to the function
.text:megasas_sysfs_set_dbg_lvl()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x158): Section
mismatch in reference from the variable driver_attr_release_date to the
function .text:megasas_sysfs_show_release_date()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x188): Section
mismatch in reference from the variable driver_attr_version to the function
.text:megasas_sysfs_show_version()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x1f8): Section
mismatch in reference from the variable megasas_template to the function
.text:megasas_queue_command()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x210): Section
mismatch in reference from the variable megasas_template to the function
.text:megasas_reset_device()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x220): Section
mismatch in reference from the variable megasas_template to the function
.text:megasas_reset_bus_host()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x228): Section
mismatch in reference from the variable megasas_template to the function
.text:megasas_reset_bus_host()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x230): Section
mismatch in reference from the variable megasas_template to the function
.text:megasas_slave_alloc()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x238): Section
mismatch in reference from the variable megasas_template to the function
.text:megasas_slave_configure()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x278): Section
mismatch in reference from the variable megasas_template to the function
.text:megasas_bios_param()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x288): Section
mismatch in reference from the variable megasas_template to the function
.text:megasas_reset_timer()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x2f0): Section
mismatch in reference from the variable megasas_instance_template_ppc to the
function .text:megasas_fire_cmd_ppc()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x2f8): Section
mismatch in reference from the variable megasas_instance_template_ppc to the
function .text:megasas_enable_intr_ppc()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x300): Section
mismatch in reference from the variable megasas_instance_template_ppc to the
function .text:megasas_disable_intr_ppc()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x308): Section
mismatch in reference from the variable megasas_instance_template_ppc to the
function .text:megasas_clear_intr_ppc()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x310): Section
mismatch in reference from the variable megasas_instance_template_ppc to the
function .text:megasas_read_fw_status_reg_ppc()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x320): Section
mismatch in reference from the variable megasas_instance_template_gen2 to the
function .text:megasas_fire_cmd_gen2()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x328): Section
mismatch in reference from the variable megasas_instance_template_gen2 to the
function .text:megasas_enable_intr_gen2()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x330): Section
mismatch in reference from the variable megasas_instance_template_gen2 to the
function .text:megasas_disable_intr_gen2()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x338): Section
mismatch in reference from the variable megasas_instance_template_gen2 to the
function .text:megasas_clear_intr_gen2()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x340): Section
mismatch in reference from the variable megasas_instance_template_gen2 to the
function .text:megasas_read_fw_status_reg_gen2()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x350): Section
mismatch in reference from the variable megasas_instance_template_skinny to the
function .text:megasas_fire_cmd_skinny()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x358): Section
mismatch in reference from the variable megasas_instance_template_skinny to the
function .text:megasas_enable_intr_skinny()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x360): Section
mismatch in reference from the variable megasas_instance_template_skinny to the
function .text:megasas_disable_intr_skinny()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x368): Section
mismatch in reference from the variable megasas_instance_template_skinny to the
function .text:megasas_clear_intr_skinny()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x370): Section
mismatch in reference from the variable megasas_instance_template_skinny to the
function .text:megasas_read_fw_status_reg_skinny()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x380): Section
mismatch in reference from the variable megasas_instance_template_xscale to the
function .text:megasas_fire_cmd_xscale()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x388): Section
mismatch in reference from the variable megasas_instance_template_xscale to the
function .text:megasas_enable_intr_xscale()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x390): Section
mismatch in reference from the variable megasas_instance_template_xscale to the
function .text:megasas_disable_intr_xscale()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x398): Section
mismatch in reference from the variable megasas_instance_template_xscale to the
function .text:megasas_clear_intr_xscale()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x3a0): Section
mismatch in reference from the variable megasas_instance_template_xscale to the
function .text:megasas_read_fw_status_reg_xscale()

WARNING: /home/pkg/megaraid/megaraid/megaraid_sas.o(.data+0x3c8): Section
mismatch in reference from the variable driver_attr_support_poll_for_event to
the function .text:megasas_sysfs_show_support_poll_for_event()

make[1]: Leaving directory `/usr/src/linux-headers-2.6.31.11-grsec'


than I copied megaraid_sas.ko to modules tree and run update-initramfs -uv

after reboot :
uname -a
Linux mydb 2.6.31.11-grsec #1 SMP Fri Jan 8 10:22:54 CET 2010 x86_64 GNU/Linux

modinfo megaraid_sas
filename:      
/lib/modules/2.6.31.11-grsec/kernel/misc/megaraid/megaraid_sas.ko
description:    LSI MegaRAID SAS Driver
author:         megaraidlinux@lsi.com
version:        00.00.04.12-rc1
license:        GPL
srcversion:     4B304EFDDEF265C4DB3635B
alias:          pci:v00001028d00000015sv*sd*bc*sc*i*
alias:          pci:v00001000d00000413sv*sd*bc*sc*i*
alias:          pci:v00001000d00000071sv*sd*bc*sc*i*
alias:          pci:v00001000d00000073sv*sd*bc*sc*i*
alias:          pci:v00001000d00000079sv*sd*bc*sc*i*
alias:          pci:v00001000d00000078sv*sd*bc*sc*i*
alias:          pci:v00001000d0000007Csv*sd*bc*sc*i*
alias:          pci:v00001000d00000060sv*sd*bc*sc*i*
alias:          pci:v00001000d00000411sv*sd*bc*sc*i*
depends:        scsi_mod
vermagic:       2.6.31.11-grsec SMP mod_unload 
parm:           poll_mode_io:Complete cmds from IO path, (default=0) (int)


I still get this messages 
megasas: Failed to copy out to user sense data

the same was for 4.17 version which I got from dell site .

dmesg is attached .

and what does this message mean ?
is it harmless ? 

Thank you .
Regards , 
Alex

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mi_whitebrook_13@gmx.at changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mi_whitebrook_13@gmx.at




--- Comment #4 from mi_whitebrook_13@gmx.at  2010-01-15 12:09:43 ---
This is a "me too" post...

I have a problem since the commit (SCSI: megaraid_sas: fix 64 bit sense pointer
truncation) with several Dell 2950 Servers. It happens both on the Perc 5/i and
the Perc 6/i controllers. All of these machines have 8GB RAM and are running
x86_64 kernels (currently 2.6.32.2). I always get messages like this in the
Kernel Log (plus on the console, which is VERY annoying:
[69274.972038] megasas: Failed to copy out to user sense data
[69274.972182] megasas: Failed to copy out to user sense data
[71168.206030] megasas: Failed to copy out to user sense data
[71168.206175] megasas: Failed to copy out to user sense data

It happens about 2-5 times per hour, most of the time several of those errors
(2-3) are reported in close timely vicinity, like within a few seconds. Other
than this these servers seem to be stable, so i guess it is a spurious message
caused by above commit. Replacing megaraid_sas.c with the version from Kernel
2.6.32 cures the problem.

I've also tried using version v00.00.04.12-rc1 of megaraid_sas.c (and .h)
from Kernel 2.6.33-rc3 and i can confirm that it shows the same problems
on my hardware:
[70120.567013] megasas: Failed to copy out to user sense data
[70120.576426] megasas: Failed to copy out to user sense data
[70120.576869] megasas: Failed to copy out to user sense data
[70120.587822] megasas: Failed to copy out to user sense data

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--- Comment #5 from Tomas Henzl <thenzl@redhat.com>  2010-02-03 13:41:44 ---
Created an attachment (id=24890)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24890)
patch to handle compat apps

The issue is probably caused by a 32bit application in a 64bit os. The 'open
manage' here uses a 32bit pointer and the driver after the 'SCSI: megaraid_sas:
fix 64 bit sense pointer truncation' works with it as if it was a 64bit
pointer.
The attached patch handles the situation on my test box.

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--- Comment #6 from Alex <mailatgoogl@gmail.com>  2010-02-04 11:00:54 ---
(In reply to comment #5)
> Created an attachment (id=24890)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=24890) [details]
> patch to handle compat apps
> 
> The issue is probably caused by a 32bit application in a 64bit os. The 'open
> manage' here uses a 32bit pointer and the driver after the 'SCSI: megaraid_sas:
> fix 64 bit sense pointer truncation' works with it as if it was a 64bit
> pointer.
> The attached patch handles the situation on my test box.

thank you for the patch , it handles the issue , tested on 2.6.32.7 .

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--- Comment #7 from Tomas Henzl <thenzl@redhat.com>  2010-02-04 13:22:20 ---
(In reply to comment #6)
> thank you for the patch , it handles the issue , tested on 2.6.32.7 .

That means that you no more see the 
"megasas: Failed to copy out to user sense data" 
or have you also verified that the management software works as expected?

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--- Comment #8 from Alex <mailatgoogl@gmail.com>  2010-02-04 14:29:46 ---
(In reply to comment #7)
> (In reply to comment #6)
> > thank you for the patch , it handles the issue , tested on 2.6.32.7 .
> 
> That means that you no more see the 
> "megasas: Failed to copy out to user sense data" 
Yes , that means that I don't see this message any more , 
and what does it mean "Failed to copy out to user sense data" ?
> or have you also verified that the management software works as expected?
And I still can retrieve information with MegaCli utility , should I check
something special ?

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--- Comment #9 from Tomas Henzl <thenzl@redhat.com>  2010-02-04 15:36:13 ---
(In reply to comment #8)
> (In reply to comment #7)
> > (In reply to comment #6)
> > > thank you for the patch , it handles the issue , tested on 2.6.32.7 .
> > 
> > That means that you no more see the 
> > "megasas: Failed to copy out to user sense data" 
> Yes , that means that I don't see this message any more , 
> and what does it mean "Failed to copy out to user sense data" ?
That means that the function copy_to_user in the driver failed and the ioctl
returned EFAULT. Usually programs can cope with that, but it could mean that
they are not able to collect informations from that device.

> > or have you also verified that the management software works as expected?
> And I still can retrieve information with MegaCli utility , should I check
> something special ?
I'm not sure with MegaCli, what I meant here is the Dell management sw 'Open
Manage', so if you can check if this sw can collect info from  megaraid driver.

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--- Comment #10 from Alex <mailatgoogl@gmail.com>  2010-02-05 07:34:50 ---
(In reply to comment #9)
> (In reply to comment #8)
> > (In reply to comment #7)
> > > (In reply to comment #6)
> > > > thank you for the patch , it handles the issue , tested on 2.6.32.7 .
> > > 
> > > That means that you no more see the 
> > > "megasas: Failed to copy out to user sense data" 
> > Yes , that means that I don't see this message any more , 
> > and what does it mean "Failed to copy out to user sense data" ?
> That means that the function copy_to_user in the driver failed and the ioctl
> returned EFAULT. Usually programs can cope with that, but it could mean that
> they are not able to collect informations from that device.
> 
> > > or have you also verified that the management software works as expected?
> > And I still can retrieve information with MegaCli utility , should I check
> > something special ?
> I'm not sure with MegaCli, what I meant here is the Dell management sw 'Open
> Manage', so if you can check if this sw can collect info from  megaraid driver.

I guess it is ok , 
OMSA is 6.0.1-8 . For example 
omreport storage vdisk 
omreport storage pdisk controller=0 
works as expected .

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[Bug 15001] megaraid_sas fills dmesg with megasas: Failed to copy out to user sense data

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http://bugzilla.kernel.org/show_bug.cgi?id=15001


Alex <mailatgoogl@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |PATCH_ALREADY_AVAILABLE




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[Bug 15001] megaraid_sas fills dmesg with megasas: Failed to copy out to user sense data

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--- Comment #11 from Tomas Henzl <thenzl@redhat.com>  2010-02-05 14:51:36 ---
(In reply to comment #10) 
> I guess it is ok , 
> OMSA is 6.0.1-8 . For example 
> omreport storage vdisk 
> omreport storage pdisk controller=0 
> works as expected .
OK, thanks for testing.

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[Bug 15001] megaraid_sas fills dmesg with megasas: Failed to copy out to user sense data

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--- Comment #12 from mi_whitebrook_13@gmx.at  2010-02-11 13:30:16 ---
Applied the patch on all our systems which were exhibiting this bug. The error
message in dmesg is gone now. Dell OMSA still works as expected, including
omreport and the Dell OpenManage Web Application.
Thanks for the fast fix!

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