Hello,
I am working with 4.6.7 kernel :
and trying to initialize a bluetooth interface but I have the crash log attached.
Has anyone used ACM functionality successfully on this kernel?
Thanks,
Mihaita
I get the following issue mainly:
76.308451] Exception stack(0xdd4d3b28 to 0xdd4d3b70)
[ 76.313535] 3b20: 00000001 00000110 00000000 dd23bc00 a0070013 dda21a84
[ 76.321748] 3b40: ddbb8800 a0070013 00000081 dda21800 dda21a84 dd4d3b8c dd4d3b20 dd4d3b78
[ 76.329954] 3b60: c016bd48 c092782c 20070013 ffffffff
[ 76.335028] r10:dda21a84 r9:dda21800 r8:00000081 r7:dd4d3b5c r6:ffffffff r5:20070013
[ 76.343012] r4:c092782c
[ 76.345612] [<c09277f0>] (_raw_spin_unlock_irqrestore) from [<c05d621c>] (ehci_urb_enqueue+0xe8/0xdbc)
[ 76.354938] r5:00000000 r4:dd4d3bc0
[ 76.358603] [<c05d6134>] (ehci_urb_enqueue) from [<c05bbc10>] (usb_hcd_submit_urb+0xb4/0x86c)
[ 76.367148] r10:de4e0000 r9:00000003 r8:024000c0 r7:00000000 r6:dda21800 r5:ddbb8808
[ 76.375132] r4:ddbb8800
[ 76.377729] [<c05bbb5c>] (usb_hcd_submit_urb) from [<c05bd364>] (usb_submit_urb+0x2a8/0x4fc)
[ 76.386187] r10:de4e0000 r9:00000003 r8:00000204 r7:00000002 r6:dd9ef000 r5:024000c0
[ 76.394171] r4:ddbb8800
[ 76.396769] [<c05bd0bc>] (usb_submit_urb) from [<c05d9ad0>] (acm_submit_read_urb+0x48/0x8c)
[ 76.405140] r10:de4e0000 r9:00000102 r8:dd270800 r7:dd270b60 r6:dd270800 r5:0000000d
[ 76.413125] r4:024000c0
[ 76.415722] [<c05d9a88>] (acm_submit_read_urb) from [<c05db238>] (acm_port_activate+0x13c/0x1a4)
[ 76.424527] r7:0000000d r6:dd270d38 r5:00000000 r4:dd27080c
[ 76.430333] [<c05db0fc>] (acm_port_activate) from [<c04781e0>] (tty_port_open+0x88/0xc8)
[ 76.438444] r9:00000102 r8:c1648ad8 r7:de433140 r6:dd27092c r5:de4e0000 r4:dd27080c
[ 76.446360] [<c0478158>] (tty_port_open) from [<c05dac88>] (acm_tty_open+0x20/0x24)
[ 76.454037] r9:00000102 r8:c1648ad8 r7:dd711650 r6:0a600000 r5:de433140 r4:de4e0000
[ 76.461954] [<c05dac68>] (acm_tty_open) from [<c047098c>] (tty_open+0xbc/0x674)
[ 76.469304] [<c04708d0>] (tty_open) from [<c0218c1c>] (chrdev_open+0xa4/0x180)
[ 76.476550] r10:00000000 r9:00000000 r8:00000000 r7:c0a3b534 r6:de433140 r5:dd711650
[ 76.484533] r4:ddbbab40
[ 76.487127] [<c0218b78>] (chrdev_open) from [<c0211af8>] (do_dentry_open+0x1e4/0x308)
[ 76.494977] r7:c0218b78 r6:de433148 r5:dd711650 r4:de433140
[ 76.500776] [<c0211914>] (do_dentry_open) from [<c0212ce0>] (vfs_open+0x60/0x88)
[ 76.508193] r9:00000000 r8:00000000 r7:dd4d3ea8 r6:dd4d3f5c r5:de433140 r4:dd4d3ea8
[ 76.516111] [<c0212c80>] (vfs_open) from [<c0221d30>] (path_openat+0x4e0/0x1024)
[ 76.523527] r5:00000102 r4:de001508
[ 76.527190] [<c0221850>] (path_openat) from [<c0224434>] (do_filp_open+0x68/0xcc)
[ 76.534693] r10:00000000 r9:dd4d2000 r8:c0107f84 r7:00000001 r6:dd4d3f5c r5:dd4d3ea8
[ 76.542677] r4:00000003
[ 76.545271] [<c02243cc>] (do_filp_open) from [<c0213028>] (do_sys_open+0x108/0x1c8)
[ 76.552948] r7:00000005 r6:dd7bc000 r5:ffffff9c r4:00000003
[ 76.558748] [<c0212f20>] (do_sys_open) from [<c0213108>] (SyS_open+0x20/0x24)
[ 76.565904] r9:dd4d2000 r8:c0107f84 r7:00000005 r6:bef3bd84 r5:bef3ac08 r4:00037390
[ 76.573824] [<c02130e8>] (SyS_open) from [<c0107de0>] (ret_fast_syscall+0x0/0x1c)
When doing:
#hciattach /dev/ttyACM0 bcsp . BT driver is for QCA9378 chipset.
I have this error on 4.6.7 kernel but on older kernels(4.1.15) it works.
What could be the issue?
Thanks,
Mihaita
The bluez version is 5.19. Has anyone experienced issues with hciattch for this bluez package?
Thanks,
Mihaita
Sorry, I meant 5.49 bluez version.
Thanks,
Mihaita