Subject: Warnings during boot on TI OMAP4 PandaBoard

From: Andreas Schwab <[email-masked]>
Date: Mon, 03 Feb 2020 11:36:27 +0100

[    8.817352] ------------[ cut here ]------------
[    8.822784] WARNING: CPU: 0 PID: 1 at arch/arm/mm/dump.c:248 note_page+0x404/0x410                                                                           
[    8.830474] arm/mm: Found insecure W+X mapping at address 0xf108d000
[    8.836914] Modules linked in:
[    8.839996] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.4.14-1-default #1 openSUSE Tumbleweed (unreleased)                                                   
[    8.849700] Hardware name: ti panda/panda, BIOS 2020.01 01/30/2020
[    8.855926] Backtrace: 
[    8.855926] [<c031ad88>] (dump_backtrace) from [<c031b010>] (show_stack+0x20/0x24)                                                                           
[    8.866027]  r7:c184eaf8 r6:00000000 r5:60000153 r4:c184eaf8
[    8.866027] [<c031aff0>] (show_stack) from [<c0e02c10>] (dump_stack+0xe8/0x114)                                                                              
[    8.879089] [<c0e02b28>] (dump_stack) from [<c036c3b4>] (__warn+0xe0/0x108)
[    8.886108]  r10:f108e000 r9:00000000 r8:c129f7d0 r7:000000f8 r6:c032c6f4 r5:00000009                                                                        
[    8.886138]  r4:c129f804
[    8.896545] [<c036c2d4>] (__warn) from [<c036c7e0>] (warn_slowpath_fmt+0xa4/0xc8)                                                                            
[    8.904083]  r7:00000009 r6:c032c6f4 r5:000000f8 r4:c129f804
[    8.904083] [<c036c740>] (warn_slowpath_fmt) from [<c032c6f4>] (note_page+0x404/0x410)                                                                       
[    8.917724]  r8:00000000 r7:c170c248 r6:00000200 r5:00000004 r4:ee96bf28
[    8.924468] [<c032c2f0>] (note_page) from [<c032c86c>] (walk_pmd+0x16c/0x1a8)
[    8.931640]  r10:f108f000 r9:00000000 r8:c0207c40 r7:f1000000 r6:ee96bf28 r5:c129f84c                                                                        
[    8.939514]  r4:eeaf923c
[    8.942047] [<c032c700>] (walk_pmd) from [<c032ca04>] (ptdump_check_wx+0x98/0x110)                                                                           
[    8.949676]  r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:c0208000 r5:f1000000                                                                        
[    8.957550]  r4:c0207c48
[    8.960083] [<c032c96c>] (ptdump_check_wx) from [<c0326bf0>] (mark_rodata_ro+0x3c/0x44)                                                                      
[    8.968139]  r6:00000000 r5:c0e1b3a8 r4:00000000
[    8.972778] [<c0326bb4>] (mark_rodata_ro) from [<c0e1b3e8>] (kernel_init+0x40/0x124)                                                                         
[    8.980560] [<c0e1b3a8>] (kernel_init) from [<c03010b0>] (ret_from_fork+0x14/0x24)                                                                           
[    8.988189] Exception stack(0xee96bfb0 to 0xee96bff8)
[    8.993255] bfa0:                                     00000000 00000000 00000000 00000000                                                                    
[    9.001464] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000                                                                    
[    9.009704] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    9.016326]  r5:c0e1b3a8 r4:00000000
[    9.019989] ---[ end trace 1ca85f4ff811d04f ]---

[   36.280273] ------------[ cut here ]------------
[   36.284759] WARNING: CPU: 1 PID: 429 at drivers/base/power/runtime.c:1388 pm_runtime_enable+0xc4/0xe4
[   36.294219] Enabling runtime PM for inactive device (4a0ad000.ocp2scp) with active children
[   36.302612] Modules linked in: omap_ocp2scp(+) ti_soc_thermal nls_iso8859_1 nls_cp437 vfat fat bq27xxx_battery_hdq bq27xxx_battery omap_des crypto_engine omap_crypto libdes omap_hdq wire twl6030_gpadc industrialio spi_omap2_mcspi snd_soc_omap_mcbsp snd_soc_omap_mcpdm snd_soc_ti_sdma snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd omap_wdt soundcore uio_pdrv_genirq uio mmc_block clk_twl6040 gpio_twl6040 omap2430 phy_generic gpio_keys ti_tfp410 phy_twl6030_usb phy_omap_usb2 ohci_platform musb_hdrc ohci_hcd omap4_keypad ti_abb_regulator ehci_omap ehci_hcd pbias_regulator udc_core omap_dma omap_hsmmc mmc_core usbcore phy_omap_control pwm_twl twl6030_regulator pwm_twl_led ledtrig_heartbeat sg dm_multipath dm_mod dax scsi_dh_rdac scsi_dh_emc scsi_dh_alua efivarfs
[   36.372497] CPU: 1 PID: 429 Comm: systemd-udevd Tainted: G        W         5.4.14-1-default #1 openSUSE Tumbleweed (unreleased)
[   36.384124] Hardware name: ti panda/panda, BIOS 2020.01 01/30/2020
[   36.386627] Backtrace: 
[   36.392791] [<c031ad88>] (dump_backtrace) from [<c031b010>] (show_stack+0x20/0x24)
[   36.400451]  r7:c184eaf8 r6:00000000 r5:60030193 r4:c184eaf8
[   36.406127] [<c031aff0>] (show_stack) from [<c0e02c10>] (dump_stack+0xe8/0x114)
[   36.413513] [<c0e02b28>] (dump_stack) from [<c036c3b4>] (__warn+0xe0/0x108)
[   36.420562]  r10:0000004b r9:bf30c014 r8:c137c958 r7:0000056c r6:c0a9711c r5:00000009
[   36.428436]  r4:c137c99c
[   36.430999] [<c036c2d4>] (__warn) from [<c036c7e0>] (warn_slowpath_fmt+0xa4/0xc8)
[   36.438507]  r7:00000009 r6:c0a9711c r5:0000056c r4:c137c99c
[   36.444061] [<c036c740>] (warn_slowpath_fmt) from [<c0a9711c>] (pm_runtime_enable+0xc4/0xe4)
[   36.452697]  r8:00000000 r7:eeec4410 r6:eeec448c r5:60030113 r4:eeec4410
[   36.459442] [<c0a97058>] (pm_runtime_enable) from [<bf30a0b8>] (omap_ocp2scp_probe+0x4c/0x10c [omap_ocp2scp])
[   36.466735]  r6:ef4d7784 r5:eeec4400 r4:00000000
[   36.474121] [<bf30a06c>] (omap_ocp2scp_probe [omap_ocp2scp]) from [<c0a8bea8>] (platform_drv_probe+0x58/0xac)
[   36.484100]  r7:c1d3b130 r6:bf30c014 r5:eeec4410 r4:00000000
[   36.489776] [<c0a8be50>] (platform_drv_probe) from [<c0a89268>] (really_probe+0x220/0x468)
[   36.498107]  r7:c1d3b130 r6:00000000 r5:c1d3b12c r4:eeec4410
[   36.503814] [<c0a89048>] (really_probe) from [<c0a897b8>] (driver_probe_device+0x134/0x154)
[   36.512207]  r10:bf30c080 r9:ed2d9f28 r8:00000000 r7:c1821378 r6:bf30c014 r5:bf30c014
[   36.520080]  r4:eeec4410
[   36.522613] [<c0a89684>] (driver_probe_device) from [<c0a89a74>] (device_driver_attach+0x6c/0x74)
[   36.531555]  r8:00000000 r7:c1821378 r6:bf30c014 r5:00000000 r4:eeec4410
[   36.538299] [<c0a89a08>] (device_driver_attach) from [<c0a89b1c>] (__driver_attach+0xa0/0x158)
[   36.538299]  r7:c1821378 r6:eeec4410 r5:bf30c014 r4:00000000
[   36.552642] [<c0a89a7c>] (__driver_attach) from [<c0a86e18>] (bus_for_each_dev+0x88/0xd0)
[   36.560882]  r7:c1821378 r6:c0a89a7c r5:bf30c014 r4:00000000
[   36.566558] [<c0a86d90>] (bus_for_each_dev) from [<c0a8890c>] (driver_attach+0x2c/0x34)
[   36.574615]  r6:00000000 r5:ed3c8e00 r4:bf30c014
[   36.579254] [<c0a888e0>] (driver_attach) from [<c0a881a8>] (bus_add_driver+0x144/0x218)
[   36.587310] [<c0a88064>] (bus_add_driver) from [<c0a8a760>] (driver_register+0x8c/0x12c)
[   36.591430]  r7:ed2d9eb0 r6:00000001 r5:ed589140 r4:bf30c014
[   36.597503] [<c0a8a6d4>] (driver_register) from [<c0a8bdf4>] (__platform_driver_register+0x50/0x5c)
[   36.607421]  r5:ed589140 r4:c1821378
[   36.613830] [<c0a8bda4>] (__platform_driver_register) from [<bf01d028>] (omap_ocp2scp_driver_init+0x28/0x1000 [omap_ocp2scp])
[   36.625213]  r5:ed589140 r4:bf01d000
[   36.627593] [<bf01d000>] (omap_ocp2scp_driver_init [omap_ocp2scp]) from [<c0304070>] (do_one_initcall+0x54/0x274)
[   36.639160] [<c030401c>] (do_one_initcall) from [<c042914c>] (do_init_module+0x70/0x264)
[   36.647308]  r8:bf30c08c r7:ed2d9eb0 r6:00000001 r5:ed589140 r4:bf30c080
[   36.654052] [<c04290dc>] (do_init_module) from [<c042b170>] (load_module+0x11d0/0x1558)
[   36.661773]  r6:00000001 r5:00000000 r4:bf30c180
[   36.666748] [<c0429fa0>] (load_module) from [<c042b6a4>] (sys_init_module+0x1ac/0x1d0)
[   36.674713]  r10:00000080 r9:ed2d8000 r8:b6b36dd8 r7:00000000 r6:00ba515f r5:f10a6d97
[   36.682586]  r4:00001d97
[   36.685150] [<c042b4f8>] (sys_init_module) from [<c0301000>] (ret_fast_syscall+0x0/0x28)
[   36.691406] Exception stack(0xed2d9fa8 to 0xed2d9ff0)
[   36.698364] 9fa0:                   20001137 00000000 00ba33c8 00001d97 b6b36dd8 00000000
[   36.706573] 9fc0: 20001137 00000000 00b93568 00000080 00000003 00000000 00020000 00b93568
[   36.713012] 9fe0: b6b48e08 be81f488 b6b32bbc b6e9cd30
[   36.716461]  r9:ed2d8000 r8:c0301208 r7:00000080 r6:00b93568 r5:00000000 r4:20001137
[   36.727661] ---[ end trace 1ca85f4ff811d050 ]---

Andreas.

-- 
Andreas Schwab, SUSE Labs, [email-masked]
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

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