[Bugme-new] [Bug 35062] New: Suspend to ram stopped working after commit of " intel-iommu: Unlink domain from iommu "

Sat May 14 04:08:48 PDT 2011

https://bugzilla.kernel.org/show_bug.cgi?id=35062

           Summary: Suspend to ram stopped working after commit of "
                    intel-iommu: Unlink domain from iommu "
           Product: Power Management
           Version: 2.5
    Kernel Version: 2.6.38.5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Hibernation/Suspend
        AssignedTo: power-management_other at kernel-bugs.osdl.org
        ReportedBy: optiluca at gmail.com
        Regression: Yes

Hi.  When upgrading from kernel 2.6.38.4 to 2.6.38.5, suspend to ram stopped
working on my Thinkpad W510.  I ran a git bisection and found the issue to have
begun with the commit " intel-iommu: Unlink domain from iommu " (commit
a97590e56d0d58e1dd262353f7cbd84e81d8e600 ) http://lkml.org/lkml/2011/4/29/308

When suspending from X, the system blanks the screen, but hangs before
switching off the backlight.  When suspending from console, the kernel spews
out a long error message ending with "segmentation fault", and hangs.

I apologize for the lack of information, this is the first time I report a bug
here.  If there is something else you need to know, please ask :)

BTW, here are some hardware / system details:

lspci
00:00.0 Host bridge: Intel Corporation Core Processor DMI (rev 11)
00:03.0 PCI bridge: Intel Corporation Core Processor PCI Express Root Port 1
(rev 11)
00:08.0 System peripheral: Intel Corporation Core Processor System Management
Registers (rev 11)
00:08.1 System peripheral: Intel Corporation Core Processor Semaphore and
Scratchpad Registers (rev 11)
00:08.2 System peripheral: Intel Corporation Core Processor System Control and
Status Registers (rev 11)
00:08.3 System peripheral: Intel Corporation Core Processor Miscellaneous
Registers (rev 11)
00:10.0 System peripheral: Intel Corporation Core Processor QPI Link (rev 11)
00:10.1 System peripheral: Intel Corporation Core Processor QPI Routing and
Protocol Registers (rev 11)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series
Chipset HECI Controller (rev 06)
00:16.3 Serial controller: Intel Corporation 5 Series/3400 Series Chipset KT
Controller (rev 06)
00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit Network
Connection (rev 06)
00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2
Enhanced Host Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High
Definition Audio (rev 06)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 1 (rev 06)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 2 (rev 06)
00:1c.3 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 4 (rev 06)
00:1c.4 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 5 (rev 06)
00:1c.6 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 7 (rev 06)
00:1c.7 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express
Root Port 8 (rev 06)
00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2
Enhanced Host Controller (rev 06)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface
Controller (rev 06)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port
SATA AHCI Controller (rev 06)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller
(rev 06)
01:00.0 VGA compatible controller: nVidia Corporation Device 0a3c (rev a2)
01:00.1 Audio device: nVidia Corporation High Definition Audio Controller (rev
a1)
03:00.0 Network controller: Intel Corporation WiFi Link 6000 Series (rev 35)
0d:00.0 SD Host controller: Ricoh Co Ltd Device e822 (rev 01)
0d:00.1 System peripheral: Ricoh Co Ltd Device e230 (rev 01)
0f:00.0 USB Controller: NEC Corporation Device 0194 (rev 03)
17:00.0 SD Host controller: Ricoh Co Ltd Device e822 (rev 01)
17:00.3 FireWire (IEEE 1394): Ricoh Co Ltd Device e832 (rev 01)
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture
Generic Non-Core Registers (rev 04)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture
System Address Decoder (rev 04)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 04)
ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 04)
ff:03.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller (rev 04)
ff:03.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Target Address Decoder (rev 04)
ff:03.4 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Test Registers (rev 04)
ff:04.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Control Registers (rev 04)
ff:04.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Address Registers (rev 04)
ff:04.2 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Rank Registers (rev 04)
ff:04.3 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 0 Thermal Control Registers (rev 04)
ff:05.0 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Control Registers (rev 04)
ff:05.1 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Address Registers (rev 04)
ff:05.2 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Rank Registers (rev 04)
ff:05.3 Host bridge: Intel Corporation Core Processor Integrated Memory
Controller Channel 1 Thermal Control Registers (rev 04)

emerge --info
Portage 2.2.0_alpha33 (default/linux/amd64/10.0/desktop/kde, gcc-4.5.2,
glibc-2.13-r2, 2.6.38-gentoo-r3 x86_64)
=================================================================
System uname:
Linux-2.6.38-gentoo-r3-x86_64-Intel-R-_Core-TM-_i7_CPU_Q_820_ at _1.73GHz-with-gentoo-2.0.2
Timestamp of tree: Sat, 14 May 2011 10:30:01 +0000
app-shells/bash:          4.2_p10
dev-java/java-config:     2.1.11-r3
dev-lang/python:          2.7.1-r1
dev-util/cmake:           2.8.4-r1
sys-apps/baselayout:      2.0.2
sys-apps/openrc:          0.8.2-r1
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.13, 2.68
sys-devel/automake:       1.9.6-r3, 1.10.3, 1.11.1-r1
sys-devel/binutils:       2.21
sys-devel/gcc:            4.5.2
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82
sys-kernel/linux-headers: 2.6.38 (virtual/os-headers)
sys-libs/glibc:           2.13-r2

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