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Subject[bug] ASoC uda134x not working for me, and udev crashed at startup
Heya,

The commit a110f4ef810ee29d810876df725f41d66629733e is not working for
me. I'm using an TQ2440 platform, very similar to mini2440. Only the LCD
and LED is the difference. Basically just copy & past from the
mach-mini2440.c to mach-tq2440.c. ;)

I installed Gentoo on the system, when startup, I got

[ 1.645000] ALSA device list:
[ 1.645000] No soundcards found.


And when systemd starts udevadm, I got Unable to handle kernel paging
request, complet list append.

Please CC me if any one knows anything about it, or need more
information. I'll be glad to provide help.


[ 20.455000] ------------[ cut here ]------------
[ 20.455000] WARNING: at fs/sysfs/file.c:355 sysfs_open_file+0xa4/0x268()
[ 20.460000] Unable to handle kernel paging request at virtual address
706f720
[ 20.460000] pgd = 82c70000
[ 20.460000] [706f7270] *pgd=00000000
[ 20.460000] Internal error: Oops: 5 [#1]
[ 20.460000] last sysfs file: /sys/devices/platform/uda134x-codec.0/uevent
[ 20.460000] Modules linked in:
[ 20.460000] CPU: 0 Not tainted (2.6.38.4+ #175)
[ 20.460000] PC is at strnlen+0x1c/0x34
[ 20.460000] LR is at string.clone.1+0x34/0xd4
[ 20.460000] pc : [<801664cc>] lr : [<80167bd4>] psr: a0000093
[ 20.460000] sp : 82c27c80 ip : 82c27c90 fp : 82c27c8c
[ 20.460000] r10: 8055c569 r9 : 00000002 r8 : 706f7270
[ 20.460000] r7 : 00000000 r6 : ffffffff r5 : 805cb1dc r4 : 805cae0f
[ 20.460000] r3 : 706f7270 r2 : 706f7270 r1 : ffffffff r0 : 706f7270
[ 20.460000] Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM
Segment usr
[ 20.460000] Control: c000717f Table: 32c70000 DAC: 00000015
[ 20.460000] Process udevadm (pid: 457, stack limit = 0x82c26270)
[ 20.460000] Stack: (0x82c27c80 to 0x82c28000)
[ 20.460000] 7c80: 82c27cb4 82c27c90 80167bd4 801664c0 00000000
82c27dec 805cb
[ 20.460000] 7ca0: 805caddc 805cae0f 82c27d04 82c27cb8 80168a70
80167bb0 fffff
[ 20.460000] 7cc0: 00000052 805a922c 805cae1d 00000400 ff0a0004
ffffffff 82c20
[ 20.460000] 7ce0: 805cad30 805caddc 00000004 8055c536 82c26000
82c27dec 82c28
[ 20.460000] 7d00: 80168cd4 801688a0 82c27dec 00000000 82c27d9c
82c27d20 80030
[ 20.460000] 7d20: 00205d30 82c27d30 80165624 8380d8c0 82c27dc4
60000013 80023
[ 20.460000] 7d40: 00000000 800aab30 82c27d94 82c27dd0 00000163
8055c526 800e9
[ 20.460000] 7d60: 82c26000 00000000 82c27d8c 82c27d78 802b3a88
82c27dd0 00006
[ 20.460000] 7d80: 800e0170 00000009 82c26000 00000000 82c27dc4
82c27da0 80038
[ 20.460000] 7da0: 00000009 838525d0 83471130 82d0c800 805f1a33
800206e0 82c28
[ 20.460000] 7dc0: 8003a810 8003a714 82c27dd0 8380d6e0 8055c536
82c27dec 82c20
[ 20.460000] 7de0: 800e0170 8003a7ec 8055c536 706f7270 802bcfc0
8380d8c0 83470
[ 20.460000] 7e00: 83471130 800e00cc 82c26000 00000000 82c27e44
82c27e20 8009c
[ 20.460000] 7e20: 00000000 82d0c800 82c27ebc 00020001 00000022
ffffff9c 82c28
[ 20.460000] 7e40: 80098d6c 80097d80 00008000 82c27ebc 00000000
00000000 82c28
[ 20.460000] 7e60: 800a4f88 80098d3c 800a4934 800a1f24 00020001
00020001 0000c
[ 20.460000] 7e80: 00000000 00000022 82c27f5c 82c27e98 800a5420
800a4f0c 80680
[ 20.460000] 7ea0: 00000003 00000000 82c27ee4 00000000 ffffff9c
83b91000 00000
[ 20.460000] 7ec0: 83470180 00000000 82c27ef4 82c27ed8 00000000
83410b80 00000
[ 20.460000] 7ee0: 00000101 00000002 00000001 00000000 800765f4
80076420 805f0
[ 20.460000] 7f00: 82c27f1c 82c27f10 82c2eb40 8346fd10 000007c0
00020002 00000
[ 20.460000] 7f20: 00020001 00000003 82c27f5c 82c27f38 800af2e4
00000003 00020
[ 20.460000] 7f40: 00000000 00000000 82c26000 ffffff9c 82c27f94
82c27f60 8009c
[ 20.460000] 7f60: 00000000 82c27f70 80097c60 7ecbf4b0 7ecbf4b0
7ecbffa1 00008
[ 20.460000] 7f80: 82c26000 00000000 82c27fa4 82c27f98 80098e94
80098d88 00008
[ 20.460000] 7fa0: 80024fe0 80098e7c 7ecbf4b0 7ecbf4b0 7ecbf4b0
00020001 00000
[ 20.460000] 7fc0: 7ecbf4b0 7ecbf4b0 7ecbffa1 00000005 00000000
00021fc4 0002f
[ 20.460000] 7fe0: 0002c104 7ecbf478 00015334 2ac4150c 60000010
7ecbf4b0 33ff1
[ 20.460000] Backtrace:
[ 20.460000] [<801664b0>] (strnlen+0x0/0x34) from [<80167bd4>]
(string.clone.)
[ 20.460000] [<80167ba0>] (string.clone.1+0x0/0xd4) from [<80168a70>]
(vsnpri)
[ 20.460000] r8:805cae0f r7:805caddc r6:8055c56b r5:805cb1dc r4:82c27dec
[ 20.460000] r3:00000000
[ 20.460000] [<80168890>] (vsnprintf+0x0/0x3b0) from [<80168cd4>]
(vscnprintf)
[ 20.460000] [<80168cc0>] (vscnprintf+0x0/0x2c) from [<8003b70c>]
(vprintk+0x)
[ 20.460000] r4:00000000 r3:82c27dec
[ 20.460000] [<8003b5d8>] (vprintk+0x0/0x35c) from [<8003a74c>]
(warn_slowpat)
[ 20.460000] [<8003a704>] (warn_slowpath_common+0x0/0x68) from
[<8003a810>] ()
[ 20.460000] r8:800206e0 r7:805f1a33 r6:82d0c800 r5:83471130
r4:838525d0
[ 20.460000] r3:00000009
[ 20.460000] [<8003a7d8>] (warn_slowpath_fmt+0x0/0x40) from
[<800e0170>] (sys)
[ 20.460000] r3:706f7270 r2:8055c536
[ 20.460000] [<800e00cc>] (sysfs_open_file+0x0/0x268) from
[<80097e9c>] (__de)
[ 20.460000] [<80097d70>] (__dentry_open.clone.16+0x0/0x220) from
[<80098d6c>)
[ 20.460000] [<80098d2c>] (nameidata_to_filp+0x0/0x4c) from
[<800a4f88>] (fin)
[ 20.460000] r6:00000000 r5:00000000 r4:82c27ebc r3:00008000
[ 20.460000] [<800a4efc>] (finish_open+0x0/0x16c) from [<800a5420>]
(do_filp_)
[ 20.460000] r8:00000022 r7:00000000 r6:82c27ebc r5:00000101
r4:00020001
[ 20.460000] [<800a52fc>] (do_filp_open+0x0/0x4ec) from [<80098ddc>]
(do_sys_)
[ 20.460000] [<80098d78>] (do_sys_open+0x0/0xf4) from [<80098e94>]
(sys_open+)
[ 20.460000] [<80098e6c>] (sys_open+0x0/0x2c) from [<80024fe0>]
(ret_fast_sys)
[ 20.460000] Code: e1a03000 e3510000 e1a02003 0a000003 (e4d3c001)
[ 20.465000] ---[ end trace e209d36fad2471ab ]---
[ 20.900000] <29>systemd[1]: udev-trigger.service: main process
exited, code=1
[ 21.000000] <29>systemd[1]: Unit udev-trigger.service entered failed
state.







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