Could anyone explain what the following messages mean and how to avoid them?
jorg@thinkpad-s540:~$ dmesg | grep failed
[ 0.238116] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
[ 0.806095] ACPI Error: Method parse/execution failed [\_TZ_.TZ01._TMP] (Node ffff880226c4acd0), AE_BAD_PARAMETER (20140724/psparse-536)
[ 0.806122] ACPI Error: Method parse/execution failed [\_TZ_.TZ01._TMP] (Node ffff880226c4acd0), AE_BAD_PARAMETER (20140724/psparse-536)
[ 2.233130] ACPI Error: Method parse/execution failed [\_SB_.PCI0.RP05.PEGP.DD02._BCL] (Node ffff880226c7bfa0), AE_NOT_FOUND (20140724/psparse-536)
[ 2.239137] iwlwifi 0000:04:00.0: firmware: failed to load iwlwifi-7260-10.ucode (-2)
[ 2.239198] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-7260-10.ucode failed with error -2
[ 4.259584] radeon 0000:06:00.0: firmware: failed to load radeon/hainan_pfp.bin (-2)
[ 4.259634] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_pfp.bin failed with error -2
[ 4.260287] radeon 0000:06:00.0: firmware: failed to load radeon/hainan_me.bin (-2)
[ 4.260312] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_me.bin failed with error -2
[ 4.260925] radeon 0000:06:00.0: firmware: failed to load radeon/hainan_ce.bin (-2)
[ 4.260959] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_ce.bin failed with error -2
[ 4.261554] radeon 0000:06:00.0: firmware: failed to load radeon/hainan_rlc.bin (-2)
[ 4.261588] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_rlc.bin failed with error -2
[ 4.262168] radeon 0000:06:00.0: firmware: failed to load radeon/hainan_mc.bin (-2)
[ 4.262209] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_mc.bin failed with error -2
[ 4.262977] radeon 0000:06:00.0: firmware: failed to load radeon/hainan_smc.bin (-2)
[ 4.263021] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_smc.bin failed with error -2
jorg@thinkpad-s540:~$ dmesg | grep error
[ 0.750051] tpm_tis 00:07: A TPM error (6) occurred attempting to read a pcr value
[ 2.106631] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro
[ 2.239198] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-7260-10.ucode failed with error -2
[ 4.259634] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_pfp.bin failed with error -2
[ 4.260312] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_me.bin failed with error -2
[ 4.260959] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_ce.bin failed with error -2
[ 4.261588] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_rlc.bin failed with error -2
[ 4.262209] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_mc.bin failed with error -2
[ 4.263021] radeon 0000:06:00.0: Direct firmware load for radeon/hainan_smc.bin failed with error -2
jorg@thinkpad-s540:~$
Greetings,
Jörg