Comment # 8 on bug 1202386 from Jiri Slaby

Decoded call Trace:
> power_supply_show_property (drivers/power/supply/power_supply_sysfs.c:284)

So psy->desc->get_property is apparently -ENOMSG when called.

> dev_attr_show (drivers/base/core.c:2106)
> sysfs_kf_seq_show (fs/sysfs/file.c:59)
> seq_read_iter (fs/seq_file.c:230)
> new_sync_read (include/linux/fs.h:2052 (discriminator 1)) 
> vfs_read (fs/read_write.c:482)
> ksys_read (fs/read_write.c:620)
> do_syscall_64 (arch/x86/entry/common.c:50)
> entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)