Public bug reported:
current build number: 21
device name: krillin
channel: stable
alias: ubuntu-touch/ubuntu-rtm/14.09
last update: 2015-04-29 08:25:10
version version: 21
version ubuntu: 20150410.1
version device: 20150408-4f14058
version custom: 20150409-665-29-206
I was debugging an upowerd issue with strace and found that the daemon tries to
open the following non-existant files every ten seconds:
[pid 2020] 1430314162.277522
open("/sys/devices/platform/battery/power_supply/battery/energy_now",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.283633
open("/sys/devices/platform/battery/power_supply/battery/energy_avg",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.288603
open("/sys/devices/platform/battery/power_supply/battery/manufacturer",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.292523
open("/sys/devices/platform/battery/power_supply/battery/model_name",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.293236
open("/sys/devices/platform/battery/power_supply/battery/serial_number",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.295228
open("/sys/devices/platform/battery/power_supply/battery/energy_full",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.295953
open("/sys/devices/platform/battery/power_supply/battery/energy_full_design",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.296704
open("/sys/devices/platform/battery/power_supply/battery/charge_full",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.297415
open("/sys/devices/platform/battery/power_supply/battery/charge_full_design",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.300221
open("/sys/devices/platform/battery/power_supply/battery/power_now",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.301404
open("/sys/devices/platform/battery/power_supply/battery/charge_now",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.302508
open("/sys/devices/platform/battery/power_supply/battery/charge_avg",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.304173
open("/sys/devices/platform/battery/power_supply/battery/charge_full",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.305134
open("/sys/devices/platform/battery/power_supply/battery/charge_full_design",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.305820
open("/sys/devices/platform/battery/power_supply/battery/current_now",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
** Affects: upower (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- upowerd regularly tries to open a number of non-existant sysfs files on the
bq Aquaris E.45
+ upowerd regularly tries to open a number of non-existant sysfs files on the
bq Aquaris E4.5
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https://bugs.launchpad.net/bugs/1450026
Title:
upowerd regularly tries to open a number of non-existant sysfs files
on the bq Aquaris E4.5
Status in upower package in Ubuntu:
New
Bug description:
current build number: 21
device name: krillin
channel: stable
alias: ubuntu-touch/ubuntu-rtm/14.09
last update: 2015-04-29 08:25:10
version version: 21
version ubuntu: 20150410.1
version device: 20150408-4f14058
version custom: 20150409-665-29-206
I was debugging an upowerd issue with strace and found that the daemon tries
to open the following non-existant files every ten seconds:
[pid 2020] 1430314162.277522
open("/sys/devices/platform/battery/power_supply/battery/energy_now",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.283633
open("/sys/devices/platform/battery/power_supply/battery/energy_avg",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.288603
open("/sys/devices/platform/battery/power_supply/battery/manufacturer",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.292523
open("/sys/devices/platform/battery/power_supply/battery/model_name",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.293236
open("/sys/devices/platform/battery/power_supply/battery/serial_number",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.295228
open("/sys/devices/platform/battery/power_supply/battery/energy_full",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.295953
open("/sys/devices/platform/battery/power_supply/battery/energy_full_design",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.296704
open("/sys/devices/platform/battery/power_supply/battery/charge_full",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.297415
open("/sys/devices/platform/battery/power_supply/battery/charge_full_design",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.300221
open("/sys/devices/platform/battery/power_supply/battery/power_now",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.301404
open("/sys/devices/platform/battery/power_supply/battery/charge_now",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.302508
open("/sys/devices/platform/battery/power_supply/battery/charge_avg",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.304173
open("/sys/devices/platform/battery/power_supply/battery/charge_full",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.305134
open("/sys/devices/platform/battery/power_supply/battery/charge_full_design",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
[pid 2020] 1430314162.305820
open("/sys/devices/platform/battery/power_supply/battery/current_now",
O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
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