Subject: kernel-image-2.6.8-2-686: USB driver ehci_hcd fails to enter ACPI S3
state on IBM Thinkpad T40
Package: kernel-image-2.6.8-2-686
Version: 2.6.8-16sarge1
Severity: normal
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When running ACPI, attempting to enter S3 sleep state is not successful
presumably because of the USB driver and the laptop immediately goes back to
normal operation. When the ehci_hcd module is not present, system enters
sleep state with no issues but USB2.0 is not available. System will also
wake up with no issues.
S3 state is entered by "echo 3 > /proc/acpi/sleep"
Kernel messages:
PM: Preparing system for suspend
Stopping tasks: =====================================================|
PCI: Setting latency timer of device 0000:00:1d.7 to 64
Could not suspend device 0000:00:1d.7: error -5
PCI device entry:
0000:00:1d.7 USB Controller: Intel Corp. 82801DB/DBM (ICH4/ICH4-M) USB 2.0 EHCI
Controller (rev 01) (prog-if 20 [EHCI])
Subsystem: IBM: Unknown device 052e
Flags: bus master, medium devsel, latency 0, IRQ 11
Memory at c0000000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] #0a [2080]
BIOS versions: 1RETDNWW (3.19), embedded controller 1RHT66WW-3.00a
-- System Information:
Debian Release: 3.1
Architecture: i386 (i686)
Kernel: Linux 2.6.8-2-686
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
Versions of packages kernel-image-2.6.8-2-686 depends on:
ii coreutils [fileutils] 5.2.1-2 The GNU core utilities
ii initrd-tools 0.1.81.1 tools to create initrd image for p
ii module-init-tools 3.2-pre1-2 tools for managing Linux kernel mo
-- no debconf information
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