怘€æ€˜€`3f<€fÀæøÀ̆ž?`??f?æžf<øž`??ð3ž<3ž<` $u/power/autosuspend_delay_ms; done root@beagleboard:~# root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drive[ 31.914093] random: nonblocking pool is initialized rs/omap_uart/*.seria l | paste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autos uspend_delay_ms; done -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49020000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49042000.serial/power/autosuspend_delay_ms -1 root@beagleboard:~# root@beagleboard:~# echo 0 > /debug/pm_debug/enable_off_mode root@beagleboard:~# root@beagleboard:~# %% Baseline pm_debug count dump cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:0,RET:1179,INA:0,ON:1180,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:0,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:0,RET:1179,INA:0,ON:1180,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:0,RET:652,INA:527,ON:1180,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:0,RET:652,INA:527,ON:1180,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (14) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) core_l4_clkdm->core_pwrdm (22) core_l3_clkdm->core_pwrdm (1) neon_clkdm->neon_pwrdm (0) root@beagleboard:~# root@beagleboard:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo enabled > $u/power/wakeup; done root@beagleboard:~# %% Start retention double suspend/resume UART wakeup test root@beagleboard:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do echo auto > $u/power/control; done root@beagleboard:~# root@beagleboard:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/wakeup; cat $u/power/wakeup; done -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/class/tty/ttyO0/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/class/tty/ttyO1/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/class/tty/ttyO2/power/wakeup enabled -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/class/tty/ttyO3/power/wakeup for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/control; cat $u/power/control; done enabled root@beagleboard:~# root@beagleboard:~# for u in `ls -1d /sys/class/tty/ttyO* | paste -s -d' '`; do ls -l $u/power/control; cat $u/power/control; done -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/class/tty/ttyO0/power/control auto -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/class/tty/ttyO1/power/control auto -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/class/tty/ttyO2/power/control auto -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/class/tty/ttyO3/power/control echo mem > /sys/power/state auto root@beagleboard:~# root@beagleboard:~# echo mem > /sys/power/state [ 36.335662] PM: Syncing filesystems ... done. [ 37.566192] PM: Preparing system for mem sleep [ 37.589874] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 37.596649] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done. [ 37.604034] PM: Entering mem sleep [ 37.605865] Suspending console(s) (use no_console_suspend to debug) [ 37.637786] PM: suspend of devices complete after 21.606 msecs [ 37.646667] PM: late suspend of devices complete after 8.850 msecs [ 37.656311] PM: noirq suspend of devices complete after 9.582 msecs [ 37.656463] Disabling non-boot CPUs ... [ 37.656494] Successfully put all powerdomains to target state [ 37.662078] PM: noirq resume of devices complete after 5.493 msecs [ 37.662292] In-band Error seen by MPU at address 0 [ 37.662292] ------------[ cut here ]------------ [ 37.662322] WARNING: CPU: 0 PID: 1511 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124() [ 37.662322] Modules linked in: [ 37.662353] CPU: 0 PID: 1511 Comm: echo Not tainted 3.19.0-rc1-117932-g20e0565 #1 [ 37.662353] Hardware name: Generic OMAP36xx (Flattened Device Tree) [ 37.662414] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 37.662445] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 37.662445] [] (dump_stack) from [] (warn_slowpath_common+0x78/0xb4) [ 37.662475] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24) [ 37.662475] [] (warn_slowpath_null) from [] (omap3_l3_app_irq+0xcc/0x124) [ 37.662506] [] (omap3_l3_app_irq) from [] (handle_irq_event_percpu+0x60/0x1f4) [ 37.662536] [] (handle_irq_event_percpu) from [] (handle_irq_event+0x3c/0x5c) [ 37.662536] [] (handle_irq_event) from [] (handle_level_irq+0xb4/0x13c) [ 37.662567] [] (handle_level_irq) from [] (generic_handle_irq+0x20/0x30) [ 37.662567] [] (generic_handle_irq) from [] (__handle_domain_irq+0x68/0xdc) [ 37.662597] [] (__handle_domain_irq) from [] (omap_intc_handle_irq+0xb4/0xc4) [ 37.662597] [] (omap_intc_handle_irq) from [] (__irq_svc+0x44/0x5c) [ 37.662628] Exception stack(0xde4eddd0 to 0xde4ede18) [ 37.662628] ddc0: 00000001 de547628 00000000 de547040 [ 37.662658] dde0: 60000013 de153860 de153860 c0921a98 00000000 c0945464 60000013 c09216b0 [ 37.662658] de00: c0abe238 de4ede18 c008374c c05db614 20000013 ffffffff [ 37.662689] [] (__irq_svc) from [] (_raw_spin_unlock_irqrestore+0x34/0x44) [ 37.662689] [] (_raw_spin_unlock_irqrestore) from [] (resume_irqs+0x84/0xdc) [ 37.662719] [] (resume_irqs) from [] (dpm_resume_noirq+0x210/0x2d4) [ 37.662750] [] (dpm_resume_noirq) from [] (suspend_devices_and_enter+0x324/0x600) [ 37.662780] [] (suspend_devices_and_enter) from [] (pm_suspend+0x3fc/0x470) [ 37.662811] [] (pm_suspend) from [] (state_store+0x68/0xb8) [ 37.662811] [] (state_store) from [] (kobj_attr_store+0x14/0x20) [ 37.662841] [] (kobj_attr_store) from [] (sysfs_kf_write+0x4c/0x50) [ 37.662872] [] (sysfs_kf_write) from [] (kernfs_fop_write+0xf0/0x19c) [ 37.662872] [] (kernfs_fop_write) from [] (vfs_write+0xa4/0x1ac) [ 37.662902] [] (vfs_write) from [] (SyS_write+0x40/0x8c) [ 37.662933] [] (SyS_write) from [] (ret_fast_syscall+0x0/0x48) [ 37.662933] ---[ end trace b1e2826d59ce3b49 ]--- [ 37.669952] PM: early resume of devices complete after 5.950 msecs [ 38.065826] PM: resume of devices complete after 395.751 msecs [ 38.242523] PM: Finishing wakeup. [ 38.244354] Restarting tasks ... done. root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:0,RET:1320,INA:0,ON:1321,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:0,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:0,RET:1320,INA:0,ON:1321,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:0,RET:784,INA:536,ON:1321,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:0,RET:784,INA:536,ON:1321,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (14) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) core_l4_clkdm->core_pwrdm (27) core_l3_clkdm->core_pwrdm (1) neon_clkdm->neon_pwrdm (0) root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# echo mem > /sys/power/state [ 40.868408] PM: Syncing filesystems ... done. [ 42.118438] PM: Preparing system for mem sleep [ 42.123168] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 42.128967] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 42.135253] PM: Entering mem sleep [ 42.137084] Suspending console(s) (use no_console_suspend to debug) [ 42.162902] PM: suspend of devices complete after 15.777 msecs [ 42.171691] PM: late suspend of devices complete after 8.728 msecs [ 42.180694] PM: noirq suspend of devices complete after 8.972 msecs [ 42.180694] Disabling non-boot CPUs ... [ 42.180725] Successfully put all powerdomains to target state [ 42.185974] PM: noirq resume of devices complete after 5.157 msecs [ 42.186126] In-band Error seen by MPU at address 0 [ 42.186126] ------------[ cut here ]------------ [ 42.186157] WARNING: CPU: 0 PID: 1515 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124() [ 42.186187] Modules linked in: [ 42.186187] CPU: 0 PID: 1515 Comm: echo Tainted: G W 3.19.0-rc1-117932-g20e0565 #1 [ 42.186187] Hardware name: Generic OMAP36xx (Flattened Device Tree) [ 42.186248] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 42.186279] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 42.186309] [] (dump_stack) from [] (warn_slowpath_common+0x78/0xb4) [ 42.186309] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24) [ 42.186340] [] (warn_slowpath_null) from [] (omap3_l3_app_irq+0xcc/0x124) [ 42.186340] [] (omap3_l3_app_irq) from [] (handle_irq_event_percpu+0x60/0x1f4) [ 42.186370] [] (handle_irq_event_percpu) from [] (handle_irq_event+0x3c/0x5c) [ 42.186401] [] (handle_irq_event) from [] (handle_level_irq+0xb4/0x13c) [ 42.186401] [] (handle_level_irq) from [] (generic_handle_irq+0x20/0x30) [ 42.186431] [] (generic_handle_irq) from [] (__handle_domain_irq+0x68/0xdc) [ 42.186431] [] (__handle_domain_irq) from [] (omap_intc_handle_irq+0xb4/0xc4) [ 42.186462] [] (omap_intc_handle_irq) from [] (__irq_svc+0x44/0x5c) [ 42.186462] Exception stack(0xde4eddd0 to 0xde4ede18) [ 42.186492] ddc0: 00000001 de547628 00000000 de547040 [ 42.186492] dde0: 60000013 de153860 de153860 c0921a98 00000000 c0945464 60000013 c09216b0 [ 42.186492] de00: c0abe238 de4ede18 c008374c c05db614 20000013 ffffffff [ 42.186523] [] (__irq_svc) from [] (_raw_spin_unlock_irqrestore+0x34/0x44) [ 42.186553] [] (_raw_spin_unlock_irqrestore) from [] (resume_irqs+0x84/0xdc) [ 42.186584] [] (resume_irqs) from [] (dpm_resume_noirq+0x210/0x2d4) [ 42.186614] [] (dpm_resume_noirq) from [] (suspend_devices_and_enter+0x324/0x600) [ 42.186614] [] (suspend_devices_and_enter) from [] (pm_suspend+0x3fc/0x470) [ 42.186645] [] (pm_suspend) from [] (state_store+0x68/0xb8) [ 42.186676] [] (state_store) from [] (kobj_attr_store+0x14/0x20) [ 42.186706] [] (kobj_attr_store) from [] (sysfs_kf_write+0x4c/0x50) [ 42.186706] [] (sysfs_kf_write) from [] (kernfs_fop_write+0xf0/0x19c) [ 42.186737] [] (kernfs_fop_write) from [] (vfs_write+0xa4/0x1ac) [ 42.186767] [] (vfs_write) from [] (SyS_write+0x40/0x8c) [ 42.186767] [] (SyS_write) from [] (ret_fast_syscall+0x0/0x48) [ 42.186767] ---[ end trace b1e2826d59ce3b4a ]--- [ 42.193786] PM: early resume of devices complete after 5.920 msecs [ 42.564544] PM: resume of devices complete after 370.635 msecs [ 42.741790] PM: Finishing wakeup. [ 42.743591] Restarting tasks ... done. root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:0,RET:1439,INA:0,ON:1440,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:0,RET:2,INA:0,ON:3,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:0,RET:1439,INA:0,ON:1440,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:0,RET:898,INA:541,ON:1440,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:0,RET:898,INA:541,ON:1440,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (14) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) core_l4_clkdm->core_pwrdm (27) core_l3_clkdm->core_pwrdm (1) neon_clkdm->neon_pwrdm (0) root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# ./test_rootfs_access_nonexistent_file__ret_susp -sh: ./test_rootfs_access_nonexistent_file__ret_susp: not found root@beagleboard:~# root@beagleboard:~# %% End retention double suspend/resume UART wakeup test %% Start retention dynamic idle UART wakeup test for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do echo 3000 > $u/power/autosuspend_delay_ms; done root@beagleboard:~# root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autos uspend_delay_ms; done -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49020000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49042000.serial/power/autosuspend_delay_ms 3000 root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:0,RET:1642,INA:0,ON:1643,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:25,INA:3,ON:29,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:0,RET:28,INA:0,ON:29,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:0,RET:1642,INA:0,ON:1643,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:0,RET:1094,INA:548,ON:1643,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:0,RET:1094,INA:548,ON:1643,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (RET),OFF:0,RET:1,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (13) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) core_l4_clkdm->core_pwrdm (20) core_l3_clkdm->core_pwrdm (1) neon_clkdm->neon_pwrdm (0) root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# ./test_rootfs_access_nonexistent_file__ret_dyn -sh: ./test_rootfs_access_nonexistent_file__ret_dyn: not found root@beagleboard:~# root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do echo -1 > $u/power/autosuspend_delay_ms; done root@beagleboard:~# root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autos uspend_delay_ms; done -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49020000.serial/power/autosuspend_delay_ms -1 -rw-r--r-- 1 root root 4096 Jul 22 00:18 /sys/bus/platform/drivers/omap_uart/49042000.serial/power/autosuspend_delay_ms -1 root@beagleboard:~# root@beagleboard:~# %% End retention dynamic idle UART wakeup test %% Start off-mode double suspend UART wakeup test echo 1 > /debug/pm_debug/enable_off_mode [ 63.191955] omap3_pm_off_mode_enable: Core OFF disabled due to errata i583 root@beagleboard:~# root@beagleboard:~# echo mem > /sys/power/state [ 64.200073] PM: Syncing filesystems ... done. [ 65.026000] PM: Preparing system for mem sleep [ 65.030853] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 65.036804] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 65.043029] PM: Entering mem sleep [ 65.044891] Suspending console(s) (use no_console_suspend to debug) [ 65.070709] PM: suspend of devices complete after 15.777 msecs [ 65.079406] PM: late suspend of devices complete after 8.666 msecs [ 65.088256] PM: noirq suspend of devices complete after 8.789 msecs [ 65.088287] Disabling non-boot CPUs ... [ 65.088287] Successfully put all powerdomains to target state [ 65.094146] PM: noirq resume of devices complete after 5.767 msecs [ 65.094299] In-band Error seen by MPU at address 0 [ 65.094299] ------------[ cut here ]------------ [ 65.094329] WARNING: CPU: 0 PID: 1557 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124() [ 65.094329] Modules linked in: [ 65.094360] CPU: 0 PID: 1557 Comm: echo Tainted: G W 3.19.0-rc1-117932-g20e0565 #1 [ 65.094360] Hardware name: Generic OMAP36xx (Flattened Device Tree) [ 65.094421] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 65.094451] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 65.094451] [] (dump_stack) from [] (warn_slowpath_common+0x78/0xb4) [ 65.094482] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24) [ 65.094482] [] (warn_slowpath_null) from [] (omap3_l3_app_irq+0xcc/0x124) [ 65.094512] [] (omap3_l3_app_irq) from [] (handle_irq_event_percpu+0x60/0x1f4) [ 65.094543] [] (handle_irq_event_percpu) from [] (handle_irq_event+0x3c/0x5c) [ 65.094543] [] (handle_irq_event) from [] (handle_level_irq+0xb4/0x13c) [ 65.094573] [] (handle_level_irq) from [] (generic_handle_irq+0x20/0x30) [ 65.094573] [] (generic_handle_irq) from [] (__handle_domain_irq+0x68/0xdc) [ 65.094604] [] (__handle_domain_irq) from [] (omap_intc_handle_irq+0xb4/0xc4) [ 65.094604] [] (omap_intc_handle_irq) from [] (__irq_svc+0x44/0x5c) [ 65.094635] Exception stack(0xde593dd0 to 0xde593e18) [ 65.094635] 3dc0: 00000001 de53d5e8 00000000 de53d000 [ 65.094665] 3de0: 60000153 de153860 de153860 c0921a98 00000000 c0945464 60000153 c09216b0 [ 65.094665] 3e00: c0abe238 de593e18 c008374c c05db614 20000153 ffffffff [ 65.094696] [] (__irq_svc) from [] (_raw_spin_unlock_irqrestore+0x34/0x44) [ 65.094696] [] (_raw_spin_unlock_irqrestore) from [] (resume_irqs+0x84/0xdc) [ 65.094726] [] (resume_irqs) from [] (dpm_resume_noirq+0x210/0x2d4) [ 65.094757] [] (dpm_resume_noirq) from [] (suspend_devices_and_enter+0x324/0x600) [ 65.094787] [] (suspend_devices_and_enter) from [] (pm_suspend+0x3fc/0x470) [ 65.094818] [] (pm_suspend) from [] (state_store+0x68/0xb8) [ 65.094818] [] (state_store) from [] (kobj_attr_store+0x14/0x20) [ 65.094848] [] (kobj_attr_store) from [] (sysfs_kf_write+0x4c/0x50) [ 65.094879] [] (sysfs_kf_write) from [] (kernfs_fop_write+0xf0/0x19c) [ 65.094879] [] (kernfs_fop_write) from [] (vfs_write+0xa4/0x1ac) [ 65.094909] [] (vfs_write) from [] (SyS_write+0x40/0x8c) [ 65.094909] [] (SyS_write) from [] (ret_fast_syscall+0x0/0x48) [ 65.094940] ---[ end trace b1e2826d59ce3b4b ]--- [ 65.102172] PM: early resume of devices complete after 5.920 msecs [ 65.474395] PM: resume of devices complete after 372.100 msecs [ 65.650817] PM: Finishing wakeup. [ 65.652618] Restarting tasks ... done. root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:54,RET:1743,INA:0,ON:1798,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:26,INA:3,ON:30,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:1,RET:28,INA:0,ON:30,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:54,RET:1743,INA:0,ON:1798,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:1,RET:1235,INA:561,ON:1798,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:1,RET:1235,INA:561,ON:1798,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (14) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) core_l4_clkdm->core_pwrdm (27) core_l3_clkdm->core_pwrdm (1) neon_clkdm->neon_pwrdm (0) root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# echo mem > /sys/power/state [ 68.299102] PM: Syncing filesystems ... done. [ 69.545471] PM: Preparing system for mem sleep [ 69.550201] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 69.556213] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done. [ 69.562499] PM: Entering mem sleep [ 69.564361] Suspending console(s) (use no_console_suspend to debug) [ 69.590148] PM: suspend of devices complete after 15.747 msecs [ 69.598907] PM: late suspend of devices complete after 8.697 msecs [ 69.607757] PM: noirq suspend of devices complete after 8.789 msecs [ 69.607788] Disabling non-boot CPUs ... [ 69.607788] Successfully put all powerdomains to target state [ 69.613464] PM: noirq resume of devices complete after 5.584 msecs [ 69.613586] In-band Error seen by MPU at address 0 [ 69.613616] ------------[ cut here ]------------ [ 69.613647] WARNING: CPU: 0 PID: 1559 at drivers/bus/omap_l3_smx.c:166 omap3_l3_app_irq+0xcc/0x124() [ 69.613647] Modules linked in: [ 69.613677] CPU: 0 PID: 1559 Comm: echo Tainted: G W 3.19.0-rc1-117932-g20e0565 #1 [ 69.613677] Hardware name: Generic OMAP36xx (Flattened Device Tree) [ 69.613708] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 69.613739] [] (show_stack) from [] (dump_stack+0x80/0x9c) [ 69.613769] [] (dump_stack) from [] (warn_slowpath_common+0x78/0xb4) [ 69.613800] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24) [ 69.613800] [] (warn_slowpath_null) from [] (omap3_l3_app_irq+0xcc/0x124) [ 69.613830] [] (omap3_l3_app_irq) from [] (handle_irq_event_percpu+0x60/0x1f4) [ 69.613830] [] (handle_irq_event_percpu) from [] (handle_irq_event+0x3c/0x5c) [ 69.613861] [] (handle_irq_event) from [] (handle_level_irq+0xb4/0x13c) [ 69.613891] [] (handle_level_irq) from [] (generic_handle_irq+0x20/0x30) [ 69.613891] [] (generic_handle_irq) from [] (__handle_domain_irq+0x68/0xdc) [ 69.613922] [] (__handle_domain_irq) from [] (omap_intc_handle_irq+0xb4/0xc4) [ 69.613922] [] (omap_intc_handle_irq) from [] (__irq_svc+0x44/0x5c) [ 69.613922] Exception stack(0xde593dd0 to 0xde593e18) [ 69.613952] 3dc0: 00000001 de53d5e8 00000000 de53d000 [ 69.613952] 3de0: 60000153 de153860 de153860 c0921a98 00000000 c0945464 60000153 c09216b0 [ 69.613983] 3e00: c0abe238 de593e18 c008374c c05db614 20000153 ffffffff [ 69.614013] [] (__irq_svc) from [] (_raw_spin_unlock_irqrestore+0x34/0x44) [ 69.614013] [] (_raw_spin_unlock_irqrestore) from [] (resume_irqs+0x84/0xdc) [ 69.614044] [] (resume_irqs) from [] (dpm_resume_noirq+0x210/0x2d4) [ 69.614074] [] (dpm_resume_noirq) from [] (suspend_devices_and_enter+0x324/0x600) [ 69.614105] [] (suspend_devices_and_enter) from [] (pm_suspend+0x3fc/0x470) [ 69.614105] [] (pm_suspend) from [] (state_store+0x68/0xb8) [ 69.614135] [] (state_store) from [] (kobj_attr_store+0x14/0x20) [ 69.614166] [] (kobj_attr_store) from [] (sysfs_kf_write+0x4c/0x50) [ 69.614196] [] (sysfs_kf_write) from [] (kernfs_fop_write+0xf0/0x19c) [ 69.614196] [] (kernfs_fop_write) from [] (vfs_write+0xa4/0x1ac) [ 69.614227] [] (vfs_write) from [] (SyS_write+0x40/0x8c) [ 69.614227] [] (SyS_write) from [] (ret_fast_syscall+0x0/0x48) [ 69.614257] ---[ end trace b1e2826d59ce3b4c ]--- [ 69.621276] PM: early resume of devices complete after 5.920 msecs [ 69.993804] PM: resume of devices complete after 372.436 msecs [ 70.170318] PM: Finishing wakeup. [ 70.172149] Restarting tasks ... done. root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:174,RET:1743,INA:0,ON:1918,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:27,INA:3,ON:31,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:2,RET:28,INA:0,ON:31,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:174,RET:1743,INA:0,ON:1918,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:2,RET:1349,INA:566,ON:1918,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:2,RET:1349,INA:566,ON:1918,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (14) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) core_l4_clkdm->core_pwrdm (27) core_l3_clkdm->core_pwrdm (1) neon_clkdm->neon_pwrdm (0) root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# ./test_rootfs_access_nonexistent_file__off_susp -sh: ./test_rootfs_access_nonexistent_file__off_susp: not found root@beagleboard:~# root@beagleboard:~# %% End off-mode double suspend UART wakeup test %% Start off-mode dynamic idle UART wakeup test for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do echo 3000 > $u/power/autosuspend_delay_ms; done root@beagleboard:~# root@beagleboard:~# for u in `ls -1d /sys/bus/platform/drivers/omap_uart/*.seria l | paste -s -d' '`; do ls -l $u/power/autosuspend_delay_ms; cat $u/power/autos uspend_delay_ms; done -rw-r--r-- 1 root root 4096 Jul 22 00:19 /sys/bus/platform/drivers/omap_uart/4806a000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jul 22 00:19 /sys/bus/platform/drivers/omap_uart/4806c000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jul 22 00:19 /sys/bus/platform/drivers/omap_uart/49020000.serial/power/autosuspend_delay_ms 3000 -rw-r--r-- 1 root root 4096 Jul 22 00:19 /sys/bus/platform/drivers/omap_uart/49042000.serial/power/autosuspend_delay_ms 3000 root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# cat /debug/pm_debug/count usbhost_pwrdm (ON),OFF:370,RET:1743,INA:0,ON:2114,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 sgx_pwrdm (OFF),OFF:1,RET:0,INA:0,ON:1,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 core_pwrdm (ON),OFF:0,RET:55,INA:6,ON:62,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0 per_pwrdm (ON),OFF:30,RET:31,INA:0,ON:62,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 dss_pwrdm (ON),OFF:370,RET:1743,INA:0,ON:2114,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 cam_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 neon_pwrdm (ON),OFF:33,RET:1508,INA:572,ON:2114,RET-LOGIC-OFF:0 mpu_pwrdm (ON),OFF:33,RET:1508,INA:572,ON:2114,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0 iva2_pwrdm (OFF),OFF:1,RET:1,INA:0,ON:2,RET-LOGIC-OFF:0,RET-MEMBANK1-OFF:0,RET-MEMBANK2-OFF:0,RET-MEMBANK3-OFF:0,RET-MEMBANK4-OFF:0 usbhost_clkdm->usbhost_pwrdm (1) sgx_clkdm->sgx_pwrdm (0) per_clkdm->per_pwrdm (13) cam_clkdm->cam_pwrdm (0) dss_clkdm->dss_pwrdm (1) d2d_clkdm->core_pwrdm (0) iva2_clkdm->iva2_pwrdm (0) mpu_clkdm->mpu_pwrdm (0) core_l4_clkdm->core_pwrdm (20) core_l3_clkdm->core_pwrdm (1) neon_clkdm->neon_pwrdm (0) root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# root@beagleboard:~# ./test_rootfs_access_nonexistent_file__off_dyn -sh: ./test_rootfs_access_nonexistent_file__off_dyn: not found root@beagleboard:~# root@beagleboard:~# %% End off-mode dynamic idle UART wakeup test %% End PM consolidated quick test