Re: [bug] ASoC uda134x not working for me, and udev crashed at startup

[Belisko Marek <marek.belisko@xxxxxxxxx>]

CC also linux-sound mailing list.

On Mon, May 2, 2011 at 9:21 AM, microcai <microcaicai@xxxxxxxxx> wrote:
> 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
>
> [ Â Â1.645000] ALSA device list:
> [ Â Â1.645000] Â No soundcards found.
With this patch you shouldn't see this in boot log. At least it work for me ;)
>
>
> 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.
>
>
> [ Â 20.455000] ------------[ cut here ]------------
> [ Â 20.455000] WARNING: at fs/sysfs/file.c:355 sysfs_open_file+0xa4/0x268()
> [ Â 20.460000] Unable to handle kernel paging request at virtual address
> 706f720
> [ Â 20.460000] pgd = 82c70000
>
> [ Â 20.460000] [706f7270] *pgd=00000000
> [ Â 20.460000] Internal error: Oops: 5 [#1]
> [ Â 20.460000] last sysfs file: /sys/devices/platform/uda134x-codec.0/uevent
> [ Â 20.460000] Modules linked in:
> [ Â 20.460000] CPU: 0 Â ÂNot tainted Â(2.6.38.4+ #175)
> [ Â 20.460000] PC is at strnlen+0x1c/0x34
> [ Â 20.460000] LR is at string.clone.1+0x34/0xd4
> [ Â 20.460000] pc : [<801664cc>] Â Âlr : [<80167bd4>] Â Âpsr: a0000093
> [ Â 20.460000] sp : 82c27c80 Âip : 82c27c90 Âfp : 82c27c8c
> [ Â 20.460000] r10: 8055c569 Âr9 : 00000002 Âr8 : 706f7270
> [ Â 20.460000] r7 : 00000000 Âr6 : ffffffff Âr5 : 805cb1dc Âr4 : 805cae0f
> [ Â 20.460000] r3 : 706f7270 Âr2 : 706f7270 Âr1 : ffffffff Âr0 : 706f7270
> [ Â 20.460000] Flags: NzCv ÂIRQs off ÂFIQs on ÂMode SVC_32 ÂISA ARM
> Segment usr
> [ Â 20.460000] Control: c000717f ÂTable: 32c70000 ÂDAC: 00000015
> [ Â 20.460000] Process udevadm (pid: 457, stack limit = 0x82c26270)
> [ Â 20.460000] Stack: (0x82c27c80 to 0x82c28000)
> [ Â 20.460000] 7c80: 82c27cb4 82c27c90 80167bd4 801664c0 00000000
> 82c27dec 805cb
> [ Â 20.460000] 7ca0: 805caddc 805cae0f 82c27d04 82c27cb8 80168a70
> 80167bb0 fffff
> [ Â 20.460000] 7cc0: 00000052 805a922c 805cae1d 00000400 ff0a0004
> ffffffff 82c20
> [ Â 20.460000] 7ce0: 805cad30 805caddc 00000004 8055c536 82c26000
> 82c27dec 82c28
> [ Â 20.460000] 7d00: 80168cd4 801688a0 82c27dec 00000000 82c27d9c
> 82c27d20 80030
> [ Â 20.460000] 7d20: 00205d30 82c27d30 80165624 8380d8c0 82c27dc4
> 60000013 80023
> [ Â 20.460000] 7d40: 00000000 800aab30 82c27d94 82c27dd0 00000163
> 8055c526 800e9
> [ Â 20.460000] 7d60: 82c26000 00000000 82c27d8c 82c27d78 802b3a88
> 82c27dd0 00006
> [ Â 20.460000] 7d80: 800e0170 00000009 82c26000 00000000 82c27dc4
> 82c27da0 80038
> [ Â 20.460000] 7da0: 00000009 838525d0 83471130 82d0c800 805f1a33
> 800206e0 82c28
> [ Â 20.460000] 7dc0: 8003a810 8003a714 82c27dd0 8380d6e0 8055c536
> 82c27dec 82c20
> [ Â 20.460000] 7de0: 800e0170 8003a7ec 8055c536 706f7270 802bcfc0
> 8380d8c0 83470
> [ Â 20.460000] 7e00: 83471130 800e00cc 82c26000 00000000 82c27e44
> 82c27e20 8009c
> [ Â 20.460000] 7e20: 00000000 82d0c800 82c27ebc 00020001 00000022
> ffffff9c 82c28
> [ Â 20.460000] 7e40: 80098d6c 80097d80 00008000 82c27ebc 00000000
> 00000000 82c28
> [ Â 20.460000] 7e60: 800a4f88 80098d3c 800a4934 800a1f24 00020001
> 00020001 0000c
> [ Â 20.460000] 7e80: 00000000 00000022 82c27f5c 82c27e98 800a5420
> 800a4f0c 80680
> [ Â 20.460000] 7ea0: 00000003 00000000 82c27ee4 00000000 ffffff9c
> 83b91000 00000
> [ Â 20.460000] 7ec0: 83470180 00000000 82c27ef4 82c27ed8 00000000
> 83410b80 00000
> [ Â 20.460000] 7ee0: 00000101 00000002 00000001 00000000 800765f4
> 80076420 805f0
> [ Â 20.460000] 7f00: 82c27f1c 82c27f10 82c2eb40 8346fd10 000007c0
> 00020002 00000
> [ Â 20.460000] 7f20: 00020001 00000003 82c27f5c 82c27f38 800af2e4
> 00000003 00020
> [ Â 20.460000] 7f40: 00000000 00000000 82c26000 ffffff9c 82c27f94
> 82c27f60 8009c
> [ Â 20.460000] 7f60: 00000000 82c27f70 80097c60 7ecbf4b0 7ecbf4b0
> 7ecbffa1 00008
> [ Â 20.460000] 7f80: 82c26000 00000000 82c27fa4 82c27f98 80098e94
> 80098d88 00008
> [ Â 20.460000] 7fa0: 80024fe0 80098e7c 7ecbf4b0 7ecbf4b0 7ecbf4b0
> 00020001 00000
> [ Â 20.460000] 7fc0: 7ecbf4b0 7ecbf4b0 7ecbffa1 00000005 00000000
> 00021fc4 0002f
> [ Â 20.460000] 7fe0: 0002c104 7ecbf478 00015334 2ac4150c 60000010
> 7ecbf4b0 33ff1
> [ Â 20.460000] Backtrace:
> [ Â 20.460000] [<801664b0>] (strnlen+0x0/0x34) from [<80167bd4>]
> (string.clone.)
> [ Â 20.460000] [<80167ba0>] (string.clone.1+0x0/0xd4) from [<80168a70>]
> (vsnpri)
> [ Â 20.460000] Âr8:805cae0f r7:805caddc r6:8055c56b r5:805cb1dc r4:82c27dec
> [ Â 20.460000] r3:00000000
> [ Â 20.460000] [<80168890>] (vsnprintf+0x0/0x3b0) from [<80168cd4>]
> (vscnprintf)
> [ Â 20.460000] [<80168cc0>] (vscnprintf+0x0/0x2c) from [<8003b70c>]
> (vprintk+0x)
> [ Â 20.460000] Âr4:00000000 r3:82c27dec
>
> [ Â 20.460000] [<8003b5d8>] (vprintk+0x0/0x35c) from [<8003a74c>]
> (warn_slowpat)
> [ Â 20.460000] [<8003a704>] (warn_slowpath_common+0x0/0x68) from
> [<8003a810>] ()
> [ Â 20.460000] Âr8:800206e0 r7:805f1a33 r6:82d0c800 r5:83471130
> r4:838525d0
> [ Â 20.460000] r3:00000009
>
> [ Â 20.460000] [<8003a7d8>] (warn_slowpath_fmt+0x0/0x40) from
> [<800e0170>] (sys)
> [ Â 20.460000] Âr3:706f7270 r2:8055c536
> [ Â 20.460000] [<800e00cc>] (sysfs_open_file+0x0/0x268) from
> [<80097e9c>] (__de)
> [ Â 20.460000] [<80097d70>] (__dentry_open.clone.16+0x0/0x220) from
> [<80098d6c>)
> [ Â 20.460000] [<80098d2c>] (nameidata_to_filp+0x0/0x4c) from
> [<800a4f88>] (fin)
> [ Â 20.460000] Âr6:00000000 r5:00000000 r4:82c27ebc r3:00008000
> [ Â 20.460000] [<800a4efc>] (finish_open+0x0/0x16c) from [<800a5420>]
> (do_filp_)
> [ Â 20.460000] Âr8:00000022 r7:00000000 r6:82c27ebc r5:00000101
> r4:00020001
> [ Â 20.460000] [<800a52fc>] (do_filp_open+0x0/0x4ec) from [<80098ddc>]
> (do_sys_)
> [ Â 20.460000] [<80098d78>] (do_sys_open+0x0/0xf4) from [<80098e94>]
> (sys_open+)
> [ Â 20.460000] [<80098e6c>] (sys_open+0x0/0x2c) from [<80024fe0>]
> (ret_fast_sys)
> [ Â 20.460000] Code: e1a03000 e3510000 e1a02003 0a000003 (e4d3c001)
> [ Â 20.465000] ---[ end trace e209d36fad2471ab ]---
> [ Â 20.900000] <29>systemd[1]: udev-trigger.service: main process
> exited, code=1
> [ Â 21.000000] <29>systemd[1]: Unit udev-trigger.service entered failed
> state.
>
>
>
>
>
>
>

regards,

marek

-- 
as simple and primitive as possible
-------------------------------------------------
Marek Belisko - OPEN-NANDRA
Freelance Developer

Ruska Nova Ves 219 | Presov, 08005 Slovak Republic
Tel: +421 915 052 184
skype: marekwhite
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