[DEV] Z5 Kernel issues & related stuff + fix(es)

The following is all on stock (out of the box), unrooted kernel + ROM

(from adb shell)

Seriously Sony, what is wrong with the other half of this octa-core CPU ?

Code:

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dmesg | grep -i error
<3>[    5.226418] bcl_handle_hotplug: Error -1 onlining core 4
<3>[    5.226714] bcl_handle_hotplug: Error -1 onlining core 5
<6>[    6.471743] subsys-pil-tz fe200000.qcom,lpass: Subsystem error monitoring/handling services are up
<6>[    6.720171] CFG80211-ERROR) wl_event_handler : tsk Enter, tsk = 0xffffffc0bb348c10
<3>[    7.359383] bcl_handle_hotplug: Error -1 onlining core 4
<3>[    7.359854] bcl_handle_hotplug: Error -1 onlining core 5
<6>[    9.994728] pil-q6v5-mss fc880000.qcom,mss: Subsystem error monitoring/handling services are up
<3>[  12.646433] bcl_handle_hotplug: Error -1 onlining core 4
<3>[  12.646764] bcl_handle_hotplug: Error -1 onlining core 5
<3>[  51.139961] bcl_handle_hotplug: Error -1 onlining core 4
<3>[  51.140351] bcl_handle_hotplug: Error -1 onlining core 5
<3>[  56.007422] bcl_handle_hotplug: Error -1 onlining core 4
<3>[  59.416963] bcl_handle_hotplug: Error -1 onlining core 4
<3>[  59.417713] bcl_handle_hotplug: Error -1 onlining core 6
<3>[  59.418682] bcl_handle_hotplug: Error -1 onlining core 7
<3>[  59.938214] bcl_handle_hotplug: Error -1 onlining core 4
<3>[  59.938477] bcl_handle_hotplug: Error -1 onlining core 6
<3>[  59.939182] bcl_handle_hotplug: Error -1 onlining core 7

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And the following looks like some usb gadget or usb f_fs related issue:

http://www.serverphorums.com/read.php?12,1379459

[FIX] ? https://lkml.org/lkml/2014/2/27/38 [PATCH] usb: gadget: return the right length in ffs_epfile_io()

Code:

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<3>[16729.608668] ffs_epfile_io(): Error: returning -512 value
<3>[16729.882382] ffs_epfile_io(): Error: returning -512 value
<3>[16732.738660] ffs_epfile_io(): Error: returning -512 value
<3>[16732.969768] ffs_epfile_io(): Error: returning -512 value
<3>[16737.264389] ffs_epfile_io(): Error: returning -512 value
<3>[16737.600648] ffs_epfile_io(): Error: returning -512 value
<3>[16738.981945] ffs_epfile_io(): Error: returning -512 value
<3>[16740.424212] ffs_epfile_io(): Error: returning -512 value
<3>[16740.777312] ffs_epfile_io(): Error: returning -512 value
<3>[16741.298607] ffs_epfile_io(): Error: returning -512 value
<3>[16741.582891] ffs_epfile_io(): Error: returning -512 value
<3>[16741.929018] ffs_epfile_io(): Error: returning -512 value

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The following hints at some issues with Bluetooth headphones. Call or sound output related issues could happen (?)

Anyone had issues with stability at the end of calling ? ( https://talk.sonymobile.com/t5/Kerne...s/td-p/1022774 what phone model is this ? )

Code:

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<3>[    6.683139] msm-pcm-routing qcom,msm-pcm-routing.41: ASoC: Failed to add route VOICE2_STUB_DL -> Voice2 Stub -> INTERNAL_BT_SCO_RX_Voice Mixer
<3>[    6.840240] msm-dai-q6-dev qcom,msm-dai-q6-sb-2-rx.191: ASoC: Failed to add route SLIMBUS_2_RX -> direct -> Slimbus2 Playback
<3>[    6.840269] msm-dai-q6-dev qcom,msm-dai-q6-sb-2-tx.192: ASoC: Failed to add route Slimbus2 Capture -> direct -> SLIMBUS_2_TX

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The following could lead to some sluggishness and/or instability:
CMA (memory fragmentation ?, exhaustion ?) issues
( https://lkml.org/lkml/2014/11/3/559 )

Code:

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<4>[    7.398189] alloc_contig_range test_pages_isolated(c7818, c781d) failed
<4>[    7.398626] alloc_contig_range test_pages_isolated(c7820, c7825) failed
<4>[    7.399363] alloc_contig_range test_pages_isolated(c7828, c782d) failed

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Code:

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texfat: fail_safe is enabled

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https://en.wikipedia.org/wiki/Transa...AT_File_System

uh - nice ?!

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Lol :(

Code:

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<4>[16728.136727] _cpu_up: attempt to bring up CPU 5 failed
<4>[16728.136922] _cpu_up: attempt to bring up CPU 7 failed
<3>[16729.674537] PM: Some devices failed to suspend
<4>[16743.410363] _cpu_up: attempt to bring up CPU 4 failed
<4>[16743.410617] _cpu_up: attempt to bring up CPU 5 failed
<4>[16743.410868] _cpu_up: attempt to bring up CPU 6 failed

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Come on ! You can do better than that ! :silly:

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