https://bugzilla.kernel.org/show_bug.cgi?id=91191
--- Comment #9 from EmanueL Czirai <[email protected]> --- Ok, I got a lil bit more advanced output: [ 139.386503] [4274] backlight:brightness_store:185: backlight: set brightness to 10 [ 139.387632] [4274] acpi:acpi_ec_transaction_unlocked:331: ACPI : EC: ***** Command(RD_EC) started ***** [ 139.387641] [4274] acpi:advance_transaction:210: ACPI : EC: ===== TASK (3) ===== [ 139.387651] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.387659] [4274] acpi:acpi_ec_write_cmd:160: ACPI : EC: EC_SC(W) = 0x80 [ 139.390128] <intr> acpi:advance_transaction:210: ACPI : EC: ===== IRQ (3) ===== [ 139.390147] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x08 SCI_EVT=0 BURST=0 CMD=1 IBF=0 O BF=0 [ 139.390155] <intr> acpi:acpi_ec_write_data:166: ACPI : EC: EC_DATA(W) = 0x7f [ 139.390171] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x02 SCI_EVT=0 BURST=0 CMD=0 IBF=1 O BF=0 [ 139.390218] [4274] acpi:advance_transaction:210: ACPI : EC: ===== TASK (3) ===== [ 139.390227] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x02 SCI_EVT=0 BURST=0 CMD=0 IBF=1 O BF=0 [ 139.393055] <intr> acpi:advance_transaction:210: ACPI : EC: ===== IRQ (3) ===== [ 139.393063] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x01 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=1 [ 139.393071] <intr> acpi:acpi_ec_read_data:154: ACPI : EC: EC_DATA(R) = 0x08 [ 139.393082] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.393103] [4274] acpi:acpi_ec_transaction_unlocked:341: ACPI : EC: ***** Command(RD_EC) stopped ***** [ 139.393112] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.393423] [4274] acpi:acpi_ec_transaction_unlocked:331: ACPI : EC: ***** Command(RD_EC) started ***** [ 139.393430] [4274] acpi:advance_transaction:210: ACPI : EC: ===== TASK (3) ===== [ 139.393439] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.393445] [4274] acpi:acpi_ec_write_cmd:160: ACPI : EC: EC_SC(W) = 0x80 [ 139.396256] <intr> acpi:advance_transaction:210: ACPI : EC: ===== IRQ (3) ===== [ 139.396265] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x08 SCI_EVT=0 BURST=0 CMD=1 IBF=0 O BF=0 [ 139.396270] <intr> acpi:acpi_ec_write_data:166: ACPI : EC: EC_DATA(W) = 0x83 [ 139.396280] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x02 SCI_EVT=0 BURST=0 CMD=0 IBF=1 O BF=0 [ 139.396696] [4274] acpi:advance_transaction:210: ACPI : EC: ===== TASK (3) ===== [ 139.396705] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x02 SCI_EVT=0 BURST=0 CMD=0 IBF=1 O BF=0 [ 139.399165] <intr> acpi:advance_transaction:210: ACPI : EC: ===== IRQ (3) ===== [ 139.399184] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x01 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=1 [ 139.399193] <intr> acpi:acpi_ec_read_data:154: ACPI : EC: EC_DATA(R) = 0x0a [ 139.399207] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.399237] [4274] acpi:acpi_ec_transaction_unlocked:341: ACPI : EC: ***** Command(RD_EC) stopped ***** [ 139.399245] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.399363] [4274] acpi:acpi_ec_transaction_unlocked:331: ACPI : EC: ***** Command(WR_EC) started ***** [ 139.399369] [4274] acpi:advance_transaction:210: ACPI : EC: ===== TASK (3) ===== [ 139.399424] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.399429] [4274] acpi:acpi_ec_write_cmd:160: ACPI : EC: EC_SC(W) = 0x81 [ 139.400083] [4274] acpi:advance_transaction:210: ACPI : EC: ===== TASK (3) ===== [ 139.400093] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x0a SCI_EVT=0 BURST=0 CMD=1 IBF=1 O BF=0 [ 139.402101] <intr> acpi:advance_transaction:210: ACPI : EC: ===== IRQ (3) ===== [ 139.402115] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x08 SCI_EVT=0 BURST=0 CMD=1 IBF=0 O BF=0 [ 139.402121] <intr> acpi:acpi_ec_write_data:166: ACPI : EC: EC_DATA(W) = 0x83 [ 139.402131] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x02 SCI_EVT=0 BURST=0 CMD=0 IBF=1 O BF=0 [ 139.403384] [4274] acpi:advance_transaction:210: ACPI : EC: ===== TASK (3) ===== [ 139.403394] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x02 SCI_EVT=0 BURST=0 CMD=0 IBF=1 O BF=0 [ 139.405051] <intr> acpi:advance_transaction:210: ACPI : EC: ===== IRQ (3) ===== [ 139.405069] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.405077] <intr> acpi:acpi_ec_write_data:166: ACPI : EC: EC_DATA(W) = 0x0a [ 139.405087] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x02 SCI_EVT=0 BURST=0 CMD=0 IBF=1 O BF=0 [ 139.406807] [4274] acpi:advance_transaction:210: ACPI : EC: ===== TASK (3) ===== [ 139.406834] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x02 SCI_EVT=0 BURST=0 CMD=0 IBF=1 O BF=0 [ 139.407944] <intr> acpi:advance_transaction:210: ACPI : EC: ===== IRQ (3) ===== [ 139.407962] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.407994] <intr> acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.408060] [4274] acpi:acpi_ec_transaction_unlocked:341: ACPI : EC: ***** Command(WR_EC) stopped ***** [ 139.408127] [4274] acpi:acpi_ec_read_status:146: ACPI : EC: EC_SC(R) = 0x00 SCI_EVT=0 BURST=0 CMD=0 IBF=0 O BF=0 [ 139.411346] APIC error on CPU0: 80 : Illegal register address The above was generated by: echo '10' > /sys/class/backlight/acpi_video0/brightness (while the brightness was already at 10 before executing) process 4274 was: root 4274 0.0 0.0 15924 3652 pts/0 S+ 15:05 0:00 -bash (the one doing the echo command) The debug was done by, recompiling kernel with(whatever it had before in my prev. comment and) this new line in drivers/acpi/Makefile (to get rid of that UNDEF): KBUILD_CFLAGS += -DDEBUG booting in, then executing: # echo 'file drivers/acpi/* +pflmt' > /sys/kernel/debug/dynamic_debug/control # echo 'file drivers/video/* +pflmt' > /sys/kernel/debug/dynamic_debug/control # echo '10' > /sys/class/backlight/acpi_video0/brightness # echo $$ 4274 Any ideas on what to do next? Thanks. -- You are receiving this mail because: You are watching the assignee of the bug. ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. http://p.sf.net/sfu/gigenet _______________________________________________ acpi-bugzilla mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/acpi-bugzilla
