Part Number: TDA2P-ACD
Hello,
I'm trying to write some data to disk using CMBA buffers, but usually I'm getting following error:
Unable to handle kernel paging request at virtual address 7c070000
[HOST] [HOST ]
[ 114.640854] pgd = ec20db40
[ 114.645737] [7c070000] *pgd=ad046003, *pmd=cd788003
[ 114.650791] Internal error: Oops: 2a07 [#1] PREEMPT SMP ARM
[ 114.656388] Modules linked in: memcache(O) sd_mod cmba xhci_plat_hcd xhci_hcd usbcore rpmsg_proto dwc3 udc_core usb_common virtio_rpmsg_bus rpmsg_core xfrm_user xfrm4_tunnel ipcomp xfrm_ipcomp esp4 ah4 af_key xfrm_algo bluetooth ecdh_generic snd_soc_simple_card snd_soc_simple_card_utils pps_gpio extcon_usb_gpio omap_aes_driver omap_sham phy_omap_usb2 ahci_platform libahci_platform libahci libata dwc3_omap smartpqi scsi_transport_sas scsi_mod ov490 v4l2_fwnode ov1063x ntb_hw_switchtec omap_des ntb des_generic crypto_engine snd_soc_tlv320aic3x omap_crypto switchtec omap_remoteproc remoteproc sch_fq_codel
[ 114.710082] CPU: 1 PID: 1391 Comm: apps.out Tainted: G O 4.14.103 #1
[ 114.717591] Hardware name: Generic DRA74X (Flattened Device Tree)
[ 114.723706] task: ec289440 task.stack: ed292000
[ 114.728256] PC is at v7_dma_inv_range+0x30/0x48 [memcache]
[ 114.733761] LR is at DMA_devIoctl+0xd0/0x1c0 [memcache]
[ 114.739002] pc : [<bf3ba074>] lr : [<bf3ba240>] psr: 80000013
[ 114.745291] sp : ed293ee8 ip : 00000014 fp : ed293f0c
[ 114.750532] r10: 00000036 r9 : ed292000 r8 : 934d0c84
[ 114.755773] r7 : 00000004 r6 : ed009480 r5 : 934d0c84 r4 : 00000000
[ 114.762323] r3 : 0000003f r2 : 00000040 r1 : 7c400000 r0 : 7c070000
[ 114.768875] Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
[ 114.776035] Control: 30c5387d Table: ac20db40 DAC: 55555555
[ 114.781800] Process apps.out (pid: 1391, stack limit = 0xed292210)
[ 114.788002] Stack: (0xed293ee8 to 0xed294000)
[ 114.792373] 3ee0: 7bf00000 00000000 00500000 ed293f30 934d0c84 ec286850
[ 114.800581] 3f00: ed293f7c ed293f10 c034cb50 bf3ba17c ffffffec ef1bf700 00000000 ed293fb0
[ 114.808788] 3f20: ed293f54 ed293f30 ed009480 00000004 ed293f5c ed293f40 c03586b8 c0288f28
[ 114.816997] 3f40: 0008a5e8 00000004 00000000 0000da08 ed293f6c ed009481 00000004 ed009480
[ 114.825205] 3f60: 0000da08 934d0c84 ed292000 00000036 ed293fa4 ed293f80 c034d298 c034cab4
[ 114.833413] 3f80: 0008a5e8 01d7f0d0 00000000 00000036 c0207ee4 ed292000 00000000 ed293fa8
[ 114.841621] 3fa0: c0207ce0 c034d268 0008a5e8 01d7f0d0 00000004 0000da08 934d0c84 01e0e654
[ 114.849830] 3fc0: 0008a5e8 01d7f0d0 00000000 00000036 00426270 01d1af60 7bf00000 7c326272
[ 114.858038] 3fe0: 0008a6c0 934d0c7c 000702f9 b6c564d6 60000030 00000004 00000000 00000000
[ 114.866243] Backtrace:
[ 114.868706] [<bf3ba170>] (DMA_devIoctl [memcache]) from [<c034cb50>] (do_vfs_ioctl+0xa8/0x7b4)
[ 114.877351] r5:ec286850 r4:934d0c84
[ 114.880939] [<c034caa8>] (do_vfs_ioctl) from [<c034d298>] (SyS_ioctl+0x3c/0x64)
[ 114.888277] r10:00000036 r9:ed292000 r8:934d0c84 r7:0000da08 r6:ed009480 r5:00000004
[ 114.896135] r4:ed009481
[ 114.898678] [<c034d25c>] (SyS_ioctl) from [<c0207ce0>] (ret_fast_syscall+0x0/0x4c)
[ 114.906275] r9:ed292000 r8:c0207ee4 r7:00000036 r6:00000000 r5:01d7f0d0 r4:0008a5e8
[ 114.914049] Code: 1e070f3e e1110003 e1c11003 1e071f3e (ee070f36)
[ 114.920367] ---[ end trace 99f5bdac1f43fc89 ]---
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.650791] Internal error: Oops: 2a07 [#1] PREEMPT SMP ARM
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.781800] Process apps.out (pid: 1391, stack limit = 0xed292210)
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.788002] Stack: (0xed293ee8 to 0xed294000)
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.792373] 3ee0: 7bf00000 00000000 00500000 ed293f30 934d0c84 ec286850
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.800581] 3f00: ed293f7c ed293f10 c034cb50 bf3ba17c ffffffec ef1bf700 00000000 ed293fb0
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.808788] 3f20: ed293f54 ed293f30 ed009480 00000004 ed293f5c ed293f40 c03586b8 c0288f28
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.816997] 3f40: 0008a5e8 00000004 00000000 0000da08 ed293f6c ed009481 00000004 ed009480
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.825205] 3f60: 0000da08 934d0c84 ed292000 00000036 ed293fa4 ed293f80 c034d298 c034cab4
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.833413] 3f80: 0008a5e8 01d7f0d0 00000000 00000036 c0207ee4 ed292000 00000000 ed293fa8
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.841621] 3fa0: c0207ce0 c034d268 0008a5e8 01d7f0d0 00000004 0000da08 934d0c84 01e0e654
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.849830] 3fc0: 0008a5e8 01d7f0d0 00000000 00000036 00426270 01d1af60 7bf00000 7c326272
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.858038] 3fe0: 0008a6c0 934d0c7c 000702f9 b6c564d6 60000030 00000004 00000000 00000000
Broadcast message from systemd-journald@dra7xx-evm (Wed 2019-08-21 07:49:43 UTC):
kernel[436]: [ 114.914049] Code: 1e070f3e e1110003 e1c11003 1e071f3e (ee070f36)
Can anyone help me with this problem?
Best regards,
Stefan.