Hi,
Running 3.16.1 on beaglebone black, I have the following issue with
musb_hdrc on boot:
[ 11.151063] Unable to handle kernel paging request at virtual
address e09bb05c
[ 11.158774] pgd = de5d8000
[ 11.161613] [e09bb05c] *pgd=9e02d811, *pte=00000000, *ppte=00000000
[ 11.168247] Internal error: Oops: 807 [#1] SMP ARM
[ 11.173269] Modules linked in: musb_dsps(+) musb_hdrc udc_core
davinci_mdio(+) mmc_block phy_am335x usbcore phy_am335x_control
phy_generic usb_common ti_cpsw davinci_cpdma omap_hsmmc mmc_core
musb_am335x
[ 11.192315] CPU: 0 PID: 205 Comm: systemd-udevd Not tainted
3.16.1-2.g2ab6585-default #1
[ 11.200799] task: de58a080 ti: de5cc000 task.ti: de5cc000
[ 11.206541] PC is at dma_controller_create+0x18/0x120 [musb_hdrc]
[ 11.212943] LR is at musb_probe+0x528/0x664 [musb_hdrc]
[ 11.218420] pc : [<bf13175c>] lr : [<bf125fec>] psr: a0000013
[ 11.218420] sp : de5cdbf8 ip : de5ee8d8 fp : 00000010
[ 11.230454] r10: 00000000 r9 : 00000003 r8 : de5ee810
[ 11.235930] r7 : 00000023 r6 : de5ee800 r5 : de71aec0 r4 : de2ec010
[ 11.242771] r3 : e09ba800 r2 : 7fffffff r1 : e09b8c00 r0 : de2ec010
[ 11.249615] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 11.257096] Control: 10c5387d Table: 9e5d8019 DAC: 00000015
[ 11.263118] Process systemd-udevd (pid: 205, stack limit = 0xde5cc250)
[ 11.269959] Stack: (0xde5cdbf8 to 0xde5ce000)
[ 11.274527] dbe0:
de2ec010 de71aec0
[ 11.283102] dc00: de5ee800 00000023 de5ee810 00000003 00000000
bf125fec c0b21088 de71b5d8
[ 11.291678] dc20: 00000001 de71b0d8 00000010 de5ee810 bf134a84
c0ddfbc8 00000000 bf134a84
[ 11.300254] dc40: 00000010 de5ee800 bf146760 c065a1bc c065a19c
de5ee810 c0eaee3c c0658318
[ 11.308830] dc60: 00001304 c065a2c8 bf134a84 00000000 de5ee810
c0658570 de5f1210 00000000
[ 11.317405] dc80: 00000000 c06565d4 de0bff70 de79c7b8 de5ee810
de5ee844 c0d9c810 c0658154
[ 11.325981] dca0: de5ee818 de5ee810 c0d9c810 c0657648 de5ee818
00000000 de5ee810 c06557b4
[ 11.334558] dcc0: 80000000 c0de8840 c0d35e54 de7f6f40 de5f1200
00000002 de5ee800 de5ee810
[ 11.343134] dce0: de5f1200 de7f3790 dfadf0a0 c0659edc 00000001
00000000 00000000 de5f1210
[ 11.351710] dd00: de5f1200 bf145ef4 bf146870 000001f4 de01c901
000025f0 00000007 de71b6fa
[ 11.360286] dd20: c0e97a00 de71af10 de71b628 bf146760 47401c00
47401fff c8005480 00000200
[ 11.368861] dd40: 00000000 00000000 00000000 00000023 00000023
c80054a8 00000400 00000000
[ 11.377436] dd60: 00000000 00000000 00000010 de5f1210 bf14679c
c0ddfbc8 00000000 bf14679c
[ 11.386011] dd80: 00000010 00000000 bf146870 c065a1bc c065a19c
de5f1210 c0eaee3c c0658318
[ 11.394587] dda0: c065a2a8 de5f1210 bf14679c de5f1210 bf14679c
de5f1244 00000000 bf149000
[ 11.403164] ddc0: de5cc020 c0658650 00000000 bf14679c c06585bc
c0656524 de0bff5c de5924b4
[ 11.411739] dde0: bf14679c de79ce00 c0d9c810 c0657924 bf146664
c04df5e8 bf14679c bf14679c
[ 11.420315] de00: c0cf1aa0 de7ed340 de5cdf18 c0658e14 00000000
c0cf1aa0 c0cf1aa0 c0209ab4
[ 11.428891] de20: 00000000 c0ad03e8 c0ad03d4 c034195c c0cf1984
dfebf820 00000000 00080000
[ 11.437467] de40: 00000000 dfaf1000 00000000 c034338c 00000007
dfebf820 c0e93d08 c036d8e0
[ 11.446043] de60: bf146870 00000005 de7ed340 c036f26c 00000005
de5cdf54 00000000 bf14687c
[ 11.454618] de80: de5cdf18 de5cc018 00000000 00000000 bf146870
c02df0d8 ffff8000 00007fff
[ 11.463194] dea0: c02dc1f4 c0390948 00000000 e09a6000 00000000
de5cdf18 c0ced560 b6e7fc80
[ 11.471770] dec0: e09a8880 000000ae de5cdf5c de5cdf88 00001c7e
00000000 00000002 de5c81a4
[ 11.480344] dee0: 00000001 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[ 11.488919] df00: 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[ 11.497496] df20: de5cc000 00000000 0000000b b6e7fc80 0000017b
c021b008 de5cc000 00001000
[ 11.506071] df40: 009fadb0 c02df738 00000002 00000000 de5cdf5c
e09a6000 00004b2e e09a8880
[ 11.514647] df60: e09a8707 e09a9928 00001a04 00001fb4 bf1467e0
00000006 00000000 00000023
[ 11.523223] df80: 00000024 0000001b 00000016 00000012 00000000
00000000 00000001 00000001
[ 11.531798] dfa0: 00000000 c021ae20 00000001 00000001 0000000b
b6e7fc80 00000000 b6f1d370
[ 11.540374] dfc0: 00000001 00000001 00000000 0000017b 00000000
00000000 00020000 009fadb0
[ 11.548949] dfe0: beeb12d8 beeb12c8 b6e76530 b6da66a0 60010010
0000000b 00000000 00000000
[ 11.557582] [<bf13175c>] (dma_controller_create [musb_hdrc]) from
[<bf125fec>] (musb_probe+0x528/0x664 [musb_hdrc])
[ 11.568554] [<bf125fec>] (musb_probe [musb_hdrc]) from [<c065a1bc>]
(platform_drv_probe+0x20/0x50)
[ 11.577969] [<c065a1bc>] (platform_drv_probe) from [<c0658318>]
(driver_probe_device+0x154/0x3ac)
[ 11.587278] [<c0658318>] (driver_probe_device) from [<c06565d4>]
(bus_for_each_drv+0x60/0x94)
[ 11.596221] [<c06565d4>] (bus_for_each_drv) from [<c0658154>]
(device_attach+0x7c/0x90)
[ 11.604617] [<c0658154>] (device_attach) from [<c0657648>]
(bus_probe_device+0x8c/0xb0)
[ 11.613013] [<c0657648>] (bus_probe_device) from [<c06557b4>]
(device_add+0x45c/0x578)
[ 11.621317] [<c06557b4>] (device_add) from [<c0659edc>]
(platform_device_add+0xd0/0x268)
[ 11.629817] [<c0659edc>] (platform_device_add) from [<bf145ef4>]
(dsps_probe+0x2a4/0x388 [musb_dsps])
[ 11.639496] [<bf145ef4>] (dsps_probe [musb_dsps]) from [<c065a1bc>]
(platform_drv_probe+0x20/0x50)
[ 11.648895] [<c065a1bc>] (platform_drv_probe) from [<c0658318>]
(driver_probe_device+0x154/0x3ac)
[ 11.658202] [<c0658318>] (driver_probe_device) from [<c0658650>]
(__driver_attach+0x94/0x98)
[ 11.667054] [<c0658650>] (__driver_attach) from [<c0656524>]
(bus_for_each_dev+0x68/0x9c)
[ 11.675633] [<c0656524>] (bus_for_each_dev) from [<c0657924>]
(bus_add_driver+0x168/0x224)
[ 11.684302] [<c0657924>] (bus_add_driver) from [<c0658e14>]
(driver_register+0x80/0x100)
[ 11.692792] [<c0658e14>] (driver_register) from [<c0209ab4>]
(do_one_initcall+0xc0/0x1e8)
[ 11.701380] [<c0209ab4>] (do_one_initcall) from [<c02df0d8>]
(load_module+0x18c8/0x1d74)
[ 11.709869] [<c02df0d8>] (load_module) from [<c02df738>]
(SyS_finit_module+0x88/0xb8)
[ 11.718084] [<c02df738>] (SyS_finit_module) from [<c021ae20>]
(ret_fast_syscall+0x0/0x3c)
[ 11.726662] Code: e8bd4000 e1a04000 e3e02102 e59032cc (e583285c)
[ 11.733138] ---[ end trace fc3312db2b4706f9 ]---
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