https://bugzilla.kernel.org/show_bug.cgi?id=47991
Summary: [Ubuntu 12.04.1 LTS 32-bit] SiS chipset USB wakes up
the system from ACPI S3 State instantaneously bug
Product: ACPI
Version: 2.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Other
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
Created an attachment (id=81261)
--> (https://bugzilla.kernel.org/attachment.cgi?id=81261)
/var/log/pm-suspend.log
Hi,
I have discovered a serious bug where Ubuntu wakes up the system from ACPI S3
State instantaneously if I am using a system with SiS chipset's USB.
This bug seems to have started with Ubuntu 12.04 LTS (3.2 Linux kernel) because
it didn't exist in Ubuntu 10.04.4 LTS 32-bit (2.6 Linux kernel).
As far as I know, this bug occurs with SiS 963 and 964 southbridges.
I observed this bug with ASUS P4S8X (SiS 648/963) and ASUS P4S8X-MX (SiS
661GX/964) mainboards.
The problem will go away if I disable SiS chipset's USB in BIOS setup.
Test System 1:
- Intel Pentium 4 2.8 GHz
* 800 MHz FSB
* 130nm device (Northwood)
* Hyperthreading enabled
- ASUS P4S8X-MX mainboard
* SiS 661GX northbridge
* SiS 964 southbridge
* BIOS Revision 0808 (last release)
* Power -> Suspend Mode: S3 State (ACPI S3 State)
* Legacy keyboard/mouse emulation enabled
- 1GB DDR SDRAM
* 512MB DDR400 DDR SDRAM module
* 512MB DDR400 DDR SDRAM module
- SiS 661GX integrated graphics
* Using 16MB for graphics
- Hitachi IC35L060AVV207-0 60GB PATA hard drive
- Hitachi-LG Data Storage GCC-4481B PATA CD-RW/DVD-ROM drive
- USB multi-card reader
- PS/2 keyboard
- PS/2 mouse
Test System 2:
- Intel Pentium 4 2.66 GHz
* 533 MHz FSB
* 130nm device (Northwood)
* No Hyperthreading
- ASUS P4S8X mainboard
* SiS 648 northbridge
* SiS 963 southbridge
* BIOS Revision 1005 (last release)
* Power -> ACPI Suspend to RAM: Enabled (ACPI S3 State)
* Legacy keyboard/mouse emulation enabled
- 1GB DDR333 DDR SDRAM
* 1GB DDR333 DDR SDRAM module
- NVIDIA GeForce 4 MX440
* 64MB DDR SDRAM
* AGP
- Seagate ST340014A 40 GB PATA hard drive
- Pioneer DVR-111D PATA DVD-RW drive
- 3.5" 1.44 MB floppy disk drive
- PS/2 keyboard
- PS/2 mouse
Please fix this bug.
Regards,
fpgahardwareengineer
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