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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 01:53:17 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 01:53:17 +0400 |
| commit | a8cbf22559ceefdcdfac00701e8e6da7518b7e8e (patch) | |
| tree | 63ebd5779a37f809f7daed77dbf27aa3f1e1110c /Documentation/power/s2ram.txt | |
| parent | e36f561a2c88394ef2708f1ab300fe8a79e9f651 (diff) | |
| parent | 9c034392533f3e9f00656d5c58478cff2560ef81 (diff) | |
| download | linux-a8cbf22559ceefdcdfac00701e8e6da7518b7e8e.tar.xz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: (26 commits)
PM / Wakeup: Show wakeup sources statistics in debugfs
PM: Introduce library for device-specific OPPs (v7)
PM: Add sysfs attr for rechecking dev hash from PM trace
PM: Lock PM device list mutex in show_dev_hash()
PM / Runtime: Remove idle notification after failing suspend
PM / Hibernate: Modify signature used to mark swap
PM / Runtime: Reduce code duplication in core helper functions
PM: Allow wakeup events to abort freezing of tasks
PM: runtime: add missed pm_request_autosuspend
PM / Hibernate: Make some boot messages look less scary
PM / Runtime: Implement autosuspend support
PM / Runtime: Add no_callbacks flag
PM / Runtime: Combine runtime PM entry points
PM / Runtime: Merge synchronous and async runtime routines
PM / Runtime: Replace boolean arguments with bitflags
PM / Runtime: Move code in drivers/base/power/runtime.c
sysfs: Add sysfs_merge_group() and sysfs_unmerge_group()
PM: Fix potential issue with failing asynchronous suspend
PM / Wakeup: Introduce wakeup source objects and event statistics (v3)
PM: Fix signed/unsigned warning in dpm_show_time()
...
Diffstat (limited to 'Documentation/power/s2ram.txt')
| -rw-r--r-- | Documentation/power/s2ram.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/power/s2ram.txt b/Documentation/power/s2ram.txt index 514b94fc931e..1bdfa0443773 100644 --- a/Documentation/power/s2ram.txt +++ b/Documentation/power/s2ram.txt @@ -49,6 +49,13 @@ machine that doesn't boot) is: device (lspci and /sys/devices/pci* is your friend), and see if you can fix it, disable it, or trace into its resume function. + If no device matches the hash (or any matches appear to be false positives), + the culprit may be a device from a loadable kernel module that is not loaded + until after the hash is checked. You can check the hash against the current + devices again after more modules are loaded using sysfs: + + cat /sys/power/pm_trace_dev_match + For example, the above happens to be the VGA device on my EVO, which I used to run with "radeonfb" (it's an ATI Radeon mobility). It turns out that "radeonfb" simply cannot resume that device - it tries to set the |