TI中文支持网各位大神：
AM335x 加 USB2514B 的hub，链接rtk8821cu, 经常会出现musb的错误，大家帮忙看一下,谢谢，log如下：
[ 2140.701953] Internal error: Oops – undefined instruction: 0 [#1] PREEMPT ARM
[ 2140.701959] Modules linked in: 8821cu algif_hash algif_skcipher af_alg rtk_btusb ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack libcrc32c ip_tables x_tables bluetooth musb_dsps musb_hdrc udc_core phy_am335x phy_generic phy_am335x_control cfg80211 pm33xx wkup_m3_ipc wkup_m3_rproc remoteproc omap_aes_driver crypto_engine omap_crypto omap_sham ti_emif_sram pruss_soc_bus rtc_omap musb_am335x omap_wdt sch_fq_codel pps_ldisc pps_ktimer pps_gpio cryptodev(O) [last unloaded: 8821cu]
[ 2140.702039] CPU: 0 PID: 8 Comm: ktimersoftd/0 Tainted: G O 4.14.40-necro_1_0-g22a6273 NIIC
[ 2140.702042] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 2140.702048] task: ee857100 task.stack: ee86e000
[ 2140.702143] PC is at cppi41_dma_channel_program+0x290/0x294 [musb_hdrc]
[ 2140.702168] LR is at musb_tx_dma_program+0x84/0xec [musb_hdrc]
[ 2140.702173] pc : [<bf408230>] lr : [<bf3fee5c>] psr: 600b0013
[ 2140.702176] sp : ee86fc10 ip : ee86fc60 fp : ee86fc5c
[ 2140.702179] r10: ed1f84f0 r9 : ad2b8000 r8 : edd36048
[ 2140.702182] r7 : 00000200 r6 : 0000008a r5 : edd36048 r4 : edd36048
[ 2140.702186] r3 : 00000000 r2 : 00000000 r1 : 00000002 r0 : edd36048
[ 2140.702192] Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none
[ 2140.702197] Control: 10c5387d Table: adb9c019 DAC: 00000051
[ 2140.702201] Process ktimersoftd/0 (pid: 8, stack limit = 0xee86e208)
[ 2140.702205] Stack: (0xee86fc10 to 0xee870000)
[ 2140.702212] fc00: ed1f7100 c0d12b60 00000000 eeee3800
[ 2140.702220] fc20: ee86fc84 ee86fc30 c0843620 c014aa00 ee86fc54 bf407fa0 ed1f84f0 edb25a00
[ 2140.702229] fc40: 00000000 edd36048 00000200 ed1f84f0 ee86fc8c ee86fc60 bf3fee5c bf407fac
[ 2140.702237] fc60: 0000008a ed1f8010 ed1f8010 ed07e600 ed07e600 0000008a ed2af180 bf40c484
[ 2140.702244] fc80: ee86fd24 ee86fc90 bf3ff2bc bf3fede4 00000000 0000008a 00000004 00000008
[ 2140.702252] fca0: bf40a104 00000000 00000000 0000008a ed2afe00 00000000 f10b7c00 00000000
[ 2140.702261] fcc0: edd36048 0000ffff f10b7c00 00000000 00000200 edb25a00 ed2b8000 f10b7c10
[ 2140.702269] fce0: 0000008a f10b7c00 ed1f9010 bf40c48c ed1f84f0 00000002 ee86fd24 ed07e600
[ 2140.702277] fd00: ed2afe00 ed1f8010 00000000 ed1f84f0 ed1f84f0 00000000 ee86fd64 ee86fd28
[ 2140.702284] fd20: bf3ffdd8 bf3feed0 ed2af180 00002000 00000000 00000001 ed1f8010 ed07e600
[ 2140.702293] fd40: 00002000 00000c76 edd36048 ed1f8010 ed2afe14 00000000 ee86fde4 ee86fd68
[ 2140.702301] fd60: bf401768 bf3ffc5c bf40a41c bf1c8384 ffffeffe 000001c0 ed1f8330 fffffbfe
[ 2140.702309] fd80: bf40c48c bf40c480 f10b7c00 00000000 00000002 bf40a4f0 bf40c484 ed1f84f0
[ 2140.702317] fda0: 00000003 ed2afe00 00000000 00000c76 f10b7c10 00000000 00000000 edd36048
[ 2140.702325] fdc0: ed1f84f0 edd36048 ed1f8010 edb25a28 f10b7c10 200b0013 ee86fdf4 ee86fde8
[ 2140.702334] fde0: bf3fbfa0 bf401410 ee86fe44 ee86fdf8 bf4077ec bf3fbf58 ee86fe44 ee86fe08
[ 2140.702342] fe00: ee86fe44 ee86fe10 6afffd71 000001f2 ee86fe2c ee86fe20 bf3fa064 edd36084
[ 2140.702350] fe20: edb25a1c edd36048 edb25a58 edb25a28 ed1f8010 200b0013 ee86fe74 ee86fe48
[ 2140.702358] fe40: bf407b28 bf407658 ee86fe74 ee86fe58 c0d198f8 edb25a28 6affe7f5 000001f2
[ 2140.702366] fe60: ee86e000 00000000 ee86fecc ee86fe78 c017dd5c bf407aa8 ffffe000 c0aaa7ec
[ 2140.702374] fe80: 6affe7f5 000001f2 c0d19800 ee86fe9c c0d551d0 c0d198a0 5f6bf951 00000060
[ 2140.702382] fea0: 00000000 00000000 00000000 5fe24aaf 15b223bf c0d19800 200b0013 00000008
[ 2140.702390] fec0: ee86fef4 ee86fed0 c017df70 c017dbf4 ee86e000 00000020 c0d10628 00000100
[ 2140.702398] fee0: 04208140 00000000 ee86ff34 ee86fef8 c012b9bc c017df04 6bc4f064 000001f2
[ 2140.702406] ff00: 00000100 c0d56000 00000002 ffffe000 ee81e640 00000001 c0d105f4 ffffe000
[ 2140.702414] ff20: 00000000 ee853e04 ee86ff4c ee86ff38 c012bc18 c012b834 ee86e000 ee81e640
[ 2140.702422] ff40: ee86ff74 ee86ff50 c01488a0 c012bbf0 ee81e700 00000000 ee81e6c0 ee86e000
[ 2140.702431] ff60: ee81e640 ee81e718 ee86ffac ee86ff78 c0144bb0 c0148750 c0144a80 c0148744
[ 2140.702439] ff80: 00000000 ee81e6c0 c0144a80 00000000 00000000 00000000 00000000 00000000
[ 2140.702446] ffa0: 00000000 ee86ffb0 c0107bb0 c0144a8c 00000000 00000000 00000000 00000000
[ 2140.702454] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 2140.702461] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 55555555 55555555
[ 2140.702463] Backtrace:[ 2140.702520] [<bf407fa0>] (cppi41_dma_channel_program [musb_hdrc]) from [<bf3fee5c>] (musb_tx_dma_program+0x84/0xec [musb_hdrc])
[ 2140.702530] r10:ed1f84f0 r9:00000200 r8:edd36048 r7:00000000 r6:edb25a00 r5:ed1f84f0
[ 2140.702533] r4:bf407fa0
[ 2140.702581] [<bf3fedd8>] (musb_tx_dma_program [musb_hdrc]) from [<bf3ff2bc>] (musb_start_urb+0x3f8/0xd8c [musb_hdrc])
[ 2140.702589] r9:bf40c484 r8:ed2af180 r7:0000008a r6:ed07e600 r5:ed07e600 r4:ed1f8010
[ 2140.702637] [<bf3feec4>] (musb_start_urb [musb_hdrc]) from [<bf3ffdd8>] (musb_advance_schedule+0x188/0x324 [musb_hdrc])
[ 2140.702646] r10:00000000 r9:ed1f84f0 r8:ed1f84f0 r7:00000000 r6:ed1f8010 r5:ed2afe00
[ 2140.702648] r4:ed07e600
[ 2140.702696] [<bf3ffc50>] (musb_advance_schedule [musb_hdrc]) from [<bf401768>] (musb_host_tx+0x364/0x794 [musb_hdrc])
[ 2140.702703] r10:00000000 r9:ed2afe14 r8:ed1f8010 r7:edd36048 r6:00000c76 r5:00002000
[ 2140.702706] r4:ed07e600
[ 2140.702754] [<bf401404>] (musb_host_tx [musb_hdrc]) from [<bf3fbfa0>] (musb_dma_completion+0x54/0x80 [musb_hdrc])
[ 2140.702761] r10:200b0013 r9:f10b7c10 r8:edb25a28 r7:ed1f8010 r6:edd36048 r5:ed1f84f0
[ 2140.702764] r4:edd36048
[ 2140.702812] [<bf3fbf4c>] (musb_dma_completion [musb_hdrc]) from [<bf4077ec>] (cppi41_trans_done+0x1a0/0x1ec [musb_hdrc])
[ 2140.702860] [<bf40764c>] (cppi41_trans_done [musb_hdrc]) from [<bf407b28>] (cppi41_recheck_tx_req+0x8c/0xf0 [musb_hdrc])
[ 2140.702868] r10:200b0013 r9:ed1f8010 r8:edb25a28 r7:edb25a58 r6:edd36048 r5:edb25a1c
[ 2140.702870] r4:edd36084
[ 2140.702918] [<bf407a9c>] (cppi41_recheck_tx_req [musb_hdrc]) from [<c017dd5c>] (__hrtimer_run_queues.constprop.4+0x174/0x1f8)
[ 2140.702925] r9:00000000 r8:ee86e000 r7:000001f2 r6:6affe7f5 r5:edb25a28 r4:c0d198f8
[ 2140.702935] [<c017dbe8>] (__hrtimer_run_queues.constprop.4) from [<c017df70>] (hrtimer_run_softirq+0x78/0x110)
[ 2140.702942] r10:00000008 r9:200b0013 r8:c0d19800 r7:15b223bf r6:5fe24aaf r5:00000000
[ 2140.702944] r4:00000000
[ 2140.702961] [<c017def8>] (hrtimer_run_softirq) from [<c012b9bc>] (do_current_softirqs+0x194/0x23c)
[ 2140.702968] r9:00000000 r8:04208140 r7:00000100 r6:c0d10628 r5:00000020 r4:ee86e000
[ 2140.702977] [<c012b828>] (do_current_softirqs) from [<c012bc18>] (run_ksoftirqd+0x34/0x74)
[ 2140.702984] r10:ee853e04 r9:00000000 r8:ffffe000 r7:c0d105f4 r6:00000001 r5:ee81e640
[ 2140.702987] r4:ffffe000
[ 2140.703002] [<c012bbe4>] (run_ksoftirqd) from [<c01488a0>] (smpboot_thread_fn+0x15c/0x288)
[ 2140.703005] r5:ee81e640 r4:ee86e000
[ 2140.703021] [<c0148744>] (smpboot_thread_fn) from [<c0144bb0>] (kthread+0x130/0x160)
[ 2140.703028] r9:ee81e718 r8:ee81e640 r7:ee86e000 r6:ee81e6c0 r5:00000000 r4:ee81e700
[ 2140.703043] [<c0144a80>] (kthread) from [<c0107bb0>] (ret_from_fork+0x14/0x24)
[ 2140.703050] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c0144a80
[ 2140.703053] r4:ee81e6c0
[ 2140.703062] Code: e3a01000 e1a00004 ebfffbf4 eaffff92 (e7f001f2)
yongqing wang：
使用什么版本的SDK呢
user4047359：
回复 yongqing wang:
am335x-05.00.00.15 ,请问有什么方法解决吗？
