[Bug 1797322] [NEW] gsd-rfkill-manager fails to receive rfkill event

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Sebastien Bacher (seb128):

The default encoding for GIOChannel is UTF-8, but rfkill event is binary
data. If the value is invalid UTF-8, gsd-rfkill-manager will fail to
receive rfkill event.

Steps: Run suspend/resume Test (> 127 times)
Failure Rate: 100%

In some platforms, bt will be re-probed after s3. If bt is re-probed,
rfkill-idx will increase. And, 128 is the first invalid UTF-8

$ rfkill list
ID TYPE DEVICE SOFT HARD
1 wlan phy0 unblocked unblocked
128 bluetooth hci0 unblocked unblocked

Error Message:
gnome-settings-daemon/plugins/rfkill/rfkill-glib.c
gsd-rfkill[2062]: event_cb: 1 g_io_channel_read_chars
gsd-rfkill[2062]: g_io_channel_fill_buffer: cur_len=0, read_size=8
gsd-rfkill[2062]: g_io_channel_read_chars: 5 *bytes_read=8
gsd-rfkill[2062]: event_cb: 1 read=8
gsd-rfkill[2062]: event_cb: 1 source->read_buf->len=0
gsd-rfkill[2062]: event_cb: 1 source->encoded_read_buf->len=0
gsd-rfkill[2062]: RFKILL event: idx 127 type 2 (BLUETOOTH) op 1 (DEL) soft 0 hard 0
gsd-rfkill[2062]: event_cb: 2 g_io_channel_read_chars
gsd-rfkill[2062]: event_cb: 2 read=0
gsd-rfkill[2062]: event_cb: 2 source->read_buf->len=8
gsd-rfkill[2062]: event_cb: g_list_length=1
gsd-rfkill[2062]: Removed Bluetooth rfkill with ID 127
gsd-rfkill[2062]: event_cb: 1 g_io_channel_read_chars
gsd-rfkill[2062]: event_cb: 1 read=0T
gsd-rfkill[2062]: event_cb: 1 source->read_buf->len=16
gsd-rfkill[2062]: event_cb: g_list_length=0

** Affects: gnome-settings-daemon (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bionic cosmic
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gsd-rfkill-manager fails to receive rfkill event
https://bugs.launchpad.net/bugs/1797322
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