I'm sorry, I can't recall that system very well at this point. "gmain"
is the generic name used by any application using glib's
g_get_worker_context() function to create worker threads. At this point
I can't even recall if I booted that system with X11 / lightdm or if I
had configured it to boot to multiuser only.
About the only thing I used that system for was tmux and irssi, neither
of which are using the thread name 'gmain' in Xenial, so they were
probably also not using the name in Saucy. So, it would have been
supplied by 'standard' system software, not something I chose to run
myself.
My pandaboard es killed SD cards pretty quickly, I came away with the
impression that SD cards are basically garbage not intended for 'real'
system use: segfaults and bus faults were the common symptom, and this
may have been a symptom of rubbish SD card too.
Thanks
** Changed in: linux-ti-omap4 (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1310717
Title:
process segfaults, hung task timeouts
Status in linux-ti-omap4 package in Ubuntu:
Incomplete
Bug description:
My pandaboard ES runs irssi in a tmux session for me; irssi has died
of segfaults twice recently, and dmesg had these warnings:
[395523.456237] PLL GO bit not set
[395523.456604] omapdss HDMI error: failed to power on device
[395523.458251] [drm] Cannot find any crtc or sizes - going 1024x768
[511971.446472] INFO: task gmain:28222 blocked for more than 120 seconds.
[511971.446899] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[511971.447387] gmain D c0592de8 0 28222 1414 0x00000200
[511971.447479] [<c0592de8>] (__schedule+0x65c/0x7ec) from [<c059311c>]
(schedule+0x94/0x98)
[511971.447570] [<c059311c>] (schedule+0x94/0x98) from [<c004620c>]
(exit_mm+0xc0/0x138)
[511971.447601] [<c004620c>] (exit_mm+0xc0/0x138) from [<c00464a4>]
(do_exit+0x220/0x7e8)
[511971.447662] [<c00464a4>] (do_exit+0x220/0x7e8) from [<c0046d58>]
(do_group_exit+0x94/0xd0)
[511971.447723] [<c0046d58>] (do_group_exit+0x94/0xd0) from [<c00560f8>]
(get_signal_to_deliver+0x4f0/0x568)
[511971.447784] [<c00560f8>] (get_signal_to_deliver+0x4f0/0x568) from
[<c001162c>] (do_signal+0x94/0x4ec)
[511971.447814] [<c001162c>] (do_signal+0x94/0x4ec) from [<c0011f14>]
(do_notify_resume+0x28/0x64)
[511971.447875] [<c0011f14>] (do_notify_resume+0x28/0x64) from [<c000e01c>]
(work_pending+0x28/0x2c)
[512091.451538] INFO: task gmain:28222 blocked for more than 120 seconds.
[512091.451965] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[512091.452453] gmain D c0592de8 0 28222 1414 0x00000200
[512091.452514] [<c0592de8>] (__schedule+0x65c/0x7ec) from [<c059311c>]
(schedule+0x94/0x98)
[512091.452575] [<c059311c>] (schedule+0x94/0x98) from [<c004620c>]
(exit_mm+0xc0/0x138)
[512091.452606] [<c004620c>] (exit_mm+0xc0/0x138) from [<c00464a4>]
(do_exit+0x220/0x7e8)
[512091.452667] [<c00464a4>] (do_exit+0x220/0x7e8) from [<c0046d58>]
(do_group_exit+0x94/0xd0)
[512091.452728] [<c0046d58>] (do_group_exit+0x94/0xd0) from [<c00560f8>]
(get_signal_to_deliver+0x4f0/0x568)
[512091.452789] [<c00560f8>] (get_signal_to_deliver+0x4f0/0x568) from
[<c001162c>] (do_signal+0x94/0x4ec)
[512091.452819] [<c001162c>] (do_signal+0x94/0x4ec) from [<c0011f14>]
(do_notify_resume+0x28/0x64)
[512091.452880] [<c0011f14>] (do_notify_resume+0x28/0x64) from [<c000e01c>]
(work_pending+0x28/0x2c)
[512211.444030] INFO: task gmain:28222 blocked for more than 120 seconds.
[512211.444183] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.$
[512211.444366] gmain D c0592de8 0 28222 1414 0x00000200
[512211.444427] [<c0592de8>] (__schedule+0x65c/0x7ec) from [<c059311c>]
(schedule+0x94/0x98)
[512211.444427] [<c059311c>] (schedule+0x94/0x98) from [<c004620c>]
(exit_mm+0xc0/0x138)
[512211.444458] [<c004620c>] (exit_mm+0xc0/0x138) from [<c00464a4>]
(do_exit+0x220/0x7e8)
[512211.444458] [<c00464a4>] (do_exit+0x220/0x7e8) from [<c0046d58>]
(do_group_exit+0x94/0xd0)
[512211.444488] [<c0046d58>] (do_group_exit+0x94/0xd0) from [<c00560f8>]
(get_signal_to_deliver+0x4f0/0x568)
[512211.444519] [<c00560f8>] (get_signal_to_deliver+0x4f0/0x568) from
[<c001162c>] (do_signal+0x94/0x4ec)
[512211.444549] [<c001162c>] (do_signal+0x94/0x4ec) from [<c0011f14>]
(do_notify_resume+0x28/0x64)
[512211.444549] [<c0011f14>] (do_notify_resume+0x28/0x64) from [<c000e01c>]
(work_pending+0x28/0x2c)
[512331.443237] INFO: task gmain:28222 blocked for more than 120 seconds.
[512331.443389] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.$
[512331.443511] gmain D c0592de8 0 28222 1414 0x00000200
[512331.443542] [<c0592de8>] (__schedule+0x65c/0x7ec) from [<c059311c>]
(schedule+0x94/0x98)$
[512331.443572] [<c059311c>] (schedule+0x94/0x98) from [<c004620c>]
(exit_mm+0xc0/0x138)
[512331.443572] [<c004620c>] (exit_mm+0xc0/0x138) from [<c00464a4>]
(do_exit+0x220/0x7e8)$
[512331.443603] [<c00464a4>] (do_exit+0x220/0x7e8) from [<c0046d58>]
(do_group_exit+0x94/0xd0)
[512331.443634] [<c0046d58>] (do_group_exit+0x94/0xd0) from [<c00560f8>]
(get_signal_to_deliver+0x4f0/0x568)$
[512331.443634] [<c00560f8>] (get_signal_to_deliver+0x4f0/0x568) from
[<c001162c>] (do_signal+0x94/0x4ec)
[512331.443664] [<c001162c>] (do_signal+0x94/0x4ec) from [<c0011f14>]
(do_notify_resume+0x28/0x64)$
[512331.443664] [<c0011f14>] (do_notify_resume+0x28/0x64) from [<c000e01c>]
(work_pending+0x28/0x2c)
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.5.0-240-omap4 3.5.0-240.56
ProcVersionSignature: Ubuntu 3.5.0-240.56-omap4 3.5.7.31
Uname: Linux 3.5.0-240-omap4 armv7l
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: armhf
Date: Mon Apr 21 10:18:15 2014
MarkForUpload: True
ProcEnviron:
TERM=screen
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-ti-omap4
UpgradeStatus: Upgraded to saucy on 2014-01-27 (83 days ago)
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https://bugs.launchpad.net/ubuntu/+source/linux-ti-omap4/+bug/1310717/+subscriptions
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