XO-1.75/Kernel/Issues: Difference between revisions
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(the dpm_resume hang was proven to be caused by the serial driver not properly handling suspend and resume, workaround is to remove no_console_suspend) |
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== hang, |
== hang, SET_BLOCK_COUNT == |
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This is a hang with |
This is a hang with a repeating message: |
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mmcblk0: error -110 sending SET_BLOCK_COUNT command, response 0x0, card status 0x700 |
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mmp2-pcm-audio mmp2-pcm-audio.0: resume |
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<trac>11137</trac> |
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No FIQ. No SysRq. Always preceeded by a ''PM: Some devices failed to suspend''. |
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<trac>11525</trac> |
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<trac>11528</trac> |
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Jon Nettleton says known problem. Caused by interrupted suspend, and during the unwind of the resume it hangs. |
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Can be worked around by removing the audio driver from the kernel. |
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Disabling runin-sound has no effect. |
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Seen within half an hour if SUS_TIME is set to 3000. Rarely or never seen if SUS_TIME is set to 10000. |
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Theory: once a suspend takes too long, the RTC alarm goes off before suspend has finished, and the suspend is interrupted, leading to this issue. |
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Impact: may trigger also with other wake sources, leading to a failed runin. |
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Instances: |
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* http://dev.laptop.org/~quozl/z/1RiDms.txt |
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* http://dev.laptop.org/~quozl/z/1RiEIr.txt |
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== hang, mmp2_pm_finish: Enable audio island == |
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This is a hang shortly after the serial console message: |
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mmp2_pm_finish: Enable audio island |
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The time period may vary. |
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Only occurs with SUS_TIME not set to 3000. |
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Instances: |
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* http://dev.laptop.org/~quozl/z/1RiHT6.txt (75.904ms) |
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* http://dev.laptop.org/~greenfeld/temp/175bringup/os23-26f404e/screenlog.6-resumehang.bz2 (2.683ms) |
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* http://dev.laptop.org/~greenfeld/temp/175bringup/os23-26f404e/screenlog.3-ecfail1.bz2 (72.616ms) |
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* http://dev.laptop.org/~quozl/z/1Rhvmt.txt |
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* http://dev.laptop.org/~quozl/z/1RhvpV.txt |
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Latest revision as of 05:41, 13 January 2012
hang, SET_BLOCK_COUNT
This is a hang with a repeating message:
mmcblk0: error -110 sending SET_BLOCK_COUNT command, response 0x0, card status 0x700
<trac>11137</trac> <trac>11525</trac> <trac>11528</trac>