From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from kuber.nabble.com (kuber.nabble.com [216.139.236.158]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id E4D52DDE2C for ; Thu, 30 Aug 2007 12:19:31 +1000 (EST) Received: from isper.nabble.com ([192.168.236.156]) by kuber.nabble.com with esmtp (Exim 4.63) (envelope-from ) id 1IQZd2-0007F8-LZ for linuxppc-embedded@ozlabs.org; Wed, 29 Aug 2007 19:19:28 -0700 Message-ID: <12399427.post@talk.nabble.com> Date: Wed, 29 Aug 2007 19:19:28 -0700 (PDT) From: Qin Lin To: linuxppc-embedded@ozlabs.org Subject: ML403 AC97 ALSA Driver problem MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , hi all when i use the ac97driver posted by Joachim F=C3=B6rster recently,there is= a kernel stack overflow while testing . Does anybody kindly suggest me to take some step to find out the problem? Thanks Joachim F=C3=B6rster 's driver here: http://www.nabble.com/Re%3A--PATCHv2-1-2--Xilinx-ML403-AC97-Controller-Refe= rence-device-driver-p12106850.html testing program is alsa-app aplay ,the output here:=20 # strace aplay /root/aq_ac97/yonggan.wav execve("/usr/bin/aplay", ["aplay", "/root/aq_ac97/yonggan.wav"], [/* 7 vars */]) =3D 0 uname({sys=3D"Linux", node=3D"(none)", ...}) =3D 0 brk(0) =3D 0x10022000 mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = =3D 0x30017000 access("/etc/ld.so.preload", R_OK) =3D -1 ENOENT (No such file or directory) open("/etc/ld.so.cache", O_RDONLY) =3D 3 fstat64(3, {st_mode=3DS_IFREG|0644, st_size=3D17602, ...}) =3D 0 mmap(NULL, 17602, PROT_READ, MAP_PRIVATE, 3, 0) =3D 0x30018000 close(3) =3D 0 open("/lib/tls/ppc405/libasound.so.2", O_RDONLY) =3D -1 ENOENT (No such fil= e or directory) stat64("/lib/tls/ppc405", 0x7ffec288) =3D -1 ENOENT (No such file or directory) open("/lib/tls/libaso[ 30.843423] Kernel stack overflow in process c02dcb90, r1=3Dc02d3f30 # aplay yonggan.wav Playing WAVE 'yonggan.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo [ 82.689668] Kernel stack overflow in process c02a6490, r1=3Dc02f7f30 [ 82.763235] Oops: kernel access of bad area, sig: 11 [#1] [ 82.827330] NIP: C001327C LR: C001666C CTR: 00000000 [ 82.886699] REGS: c01931f0 TRAP: 0300 Not tainted (2.6.20) [ 82.955428] MSR: 00021030 CR: 28000028 XER: 00000000 [ 83.028333] DAR: 00000005, DSISR: 00000000 [ 83.077290] TASK =3D c02a6490[134] 'xsysace' THREAD: c02f8000 [ 83.141855] GPR00: 00000001 C01932A0 C02A6490 00000000 C01B3770 00000012 00000300 00000010 [ 83.241838] GPR08: FFFFFFFA 00000020 00000000 00000005 00000000 FFFF87B8 03FD0700 00000000 [ 83.341823] GPR16: 00000001 00800000 03FCF588 00000000 FFFFFFFF 007FFF00 03FC9FFC 00000002 [ 83.441806] GPR24: 03E667C0 C01B0000 C010600C C01B3770 00000012 00000000 00000000 C0193470 [ 83.543874] NIP [C001327C] xmon_write+0x38/0xbc [ 83.598032] LR [C001666C] xmon_vfprintf+0x34/0x48 [ 83.654272] Call Trace: [ 83.683435] Instruction dump: [ 83.718848] bf61000c 90010024 3d20c01b 8009f1bc 7c9b2378 2f800000 7cbc2b78 40be0008 [ 83.811540] 4bfffe2d 3ba00000 3bc00000 48000054 <880b0000> 7c0a4839 4182fff8 7ffbf0ae [ 83.906354] Oops: kernel access of bad area, sig: 11 [#2] [ 83.970893] NIP: C001327C LR: C001666C CTR: 00000000 [ 84.030263] REGS: c0192d30 TRAP: 0300 Not tainted (2.6.20) [ 84.098992] MSR: 00021030 CR: 28000048 XER: 00000000 [ 84.171898] DAR: 00000005, DSISR: 00000000 [ 84.220854] TASK =3D c02a6490[134] 'xsysace' THREAD: c02f8000 [ 84.285419] GPR00: 00000001 C0192DE0 C02A6490 00000000 C01B3770 00000012 00000700 00000010 [ 84.385403] GPR08: FFFFFFFA 00000020 00000000 00000005 00000000 FFFF87B8 03FD0700 00000000 [ 84.485387] GPR16: 00000001 00800000 03FCF588 00000000 FFFFFFFF 007FFF00 03FC9FFC 00000002 [ 84.585371] GPR24: 03E667C0 C01B0000 C010600C C01B3770 00000012 00000000 00000000 C0193040 [ 84.687439] NIP [C001327C] xmon_write+0x38/0xbc [ 84.741598] LR [C001666C] xmon_vfprintf+0x34/0x48 [ 84.797838] Call Trace: [ 84.827000] Instruction dump: [ 84.862412] bf61000c 90010024 3d20c01b 8009f1bc 7c9b2378 2f800000 7cbc2b78 40be0008 [ 84.955105] 4bfffe2d 3ba00000 3bc00000 48000054 <880b0000> 7c0a4839 4182fff8 7ffbf0ae [ 85.049913] Oops: kernel access of bad area, sig: 11 [#3] [ 85.114460] NIP: C001327C LR: C001666C CTR: 00000000 [ 85.173828] REGS: c0192870 TRAP: 0300 Not tainted (2.6.20) [ 85.242559] MSR: 00021030 CR: 28000048 XER: 00000000 [ 85.315463] DAR: 00000005, DSISR: 00000000 [ 85.364419] TASK =3D c02a6490[134] 'xsysace' THREAD: c02f8000 [ 85.428985] GPR00: 00000001 C0192920 C02A6490 00000000 C01B3770 00000012 00000700 00000010 [ 85.528969] GPR08: FFFFFFFA 00000020 00000000 00000005 00000000 FFFF87B8 03FD0700 00000000 [ 85.628952] GPR16: 00000001 00800000 03FCF588 00000000 FFFFFFFF 007FFF00 03FC9FFC 00000002 [ 85.728936] GPR24: 03E667C0 C01B0000 C010600C C01B3770 00000012 00000000 00000000 C0192B80 [ 85.831004] NIP [C001327C] xmon_write+0x38/0xbc [ 85.885163] LR [C001666C] xmon_vfprintf+0x34/0x48 [ 85.941404] Call Trace: [ 85.970565] Instruction dump: [ 86.005979] bf61000c 90010024 3d20c01b 8009f1bc 7c9b2378 2f800000 7cbc2b78 40be0008 [ 86.098670] 4bfffe2d 3ba00000 3bc00000 48000054 <880b0000> 7c0a4839 4182fff8 7ffbf0ae [ 86.193480] Oops: kernel access of bad area, sig: 11 [#4] [ 86.258024] NIP: C001327C LR: C001666C CTR: 00000000 [ 86.317392] REGS: c01923b0 TRAP: 0300 Not tainted (2.6.20) [ 86.386123] MSR: 00021030 CR: 28000048 XER: 00000000 [ 86.459028] DAR: 00000005, DSISR: 00000000 [ 86.507985] TASK =3D c02a6490[134] 'xsysace' THREAD: c02f8000 [ 86.572551] GPR00: 00000001 C0192460 C02A6490 00000000 C01B3770 00000012 00000700 00000010 [ 86.672534] GPR08: FFFFFFFA 00000020 00000000 00000005 00000000 FFFF87B8 03FD0700 00000000 [ 86.772518] GPR16: 00000001 00800000 03FCF588 00000000 FFFFFFFF 007FFF00 03FC9FFC 00000002 [ 86.872502] GPR24: 03E667C0 C01B0000 C010600C C01B3770 00000012 00000000 00000000 C01926C0 [ 86.974570] NIP [C001327C] xmon_write+0x38/0xbc [ 87.028727] LR [C001666C] xmon_vfprintf+0x34/0x48 [ 87.084967] Call Trace: [ 87.114130] Instruction dump: [ 87.149544] bf61000c 90010024 3d20c01b 8009f1bc 7c9b2378 2f800000 7cbc2b78 40be0008 [ 87.242236] 4bfffe2d 3ba00000 3bc00000 48000054 <880b0000> 7c0a4839 4182fff8 7ffbf0ae [ 87.337041] Oops: kernel access of bad area, sig: 11 [#5] [ 87.401589] NIP: C001327C LR: C001666C CTR: 00000000 [ 87.460958] REGS: c0191ef0 TRAP: 0300 Not tainted (2.6.20) [ 87.529687] MSR: 00021030 CR: 28000048 XER: 00000000 [ 87.602593] DAR: 00000005, DSISR: 00000000 [ 87.651549] TASK =3D c02a6490[134] 'xsysace' THREAD: c02f8000 [ 87.716115] GPR00: 00000001 C0191FA0 C02A6490 00000000 C01B3770 00000012 00000700 00000010 [ 87.816099] GPR08: FFFFFFFA 00000020 00000000 00000005 00000000 FFFF87B8 03FD0700 00000000 [ 87.916083] GPR16: 00000001 00800000 03FCF588 00000000 FFFFFFFF 007FFF00 03FC9FFC 00000002 [ 88.016067] GPR24: 03E667C0 C01B0000 C010600C C01B3770 00000012 00000000 00000000 C0192200 [ 88.118134] NIP [C001327C] xmon_write+0x38/0xbc [ 88.172293] LR [C001666C] xmon_vfprintf+0x34/0x48 [ 88.228531] Call Trace: [ 88.257695] Instruction dump: [ 88.293108] bf61000c 90010024 3d20c01b 8009f1bc 7c9b2378 2f800000 7cbc2b78 40be0008 [ 88.385801] 4bfffe2d 3ba00000 3bc00000 48000054 <880b0000> 7c0a4839 4182fff8 7ffbf0ae [ 88.480614] Oops: kernel access of bad area, sig: 11 [#6] [ 88.545155] NIP: C001327C LR: C001666C CTR: 00000000 [ 88.604522] REGS: c0191a30 TRAP: 0300 Not tainted (2.6.20) [ 88.673253] MSR: 00021030 CR: 28000048 XER: 00000000 [ 88.746158] DAR: 00000005, DSISR: 00000000 [ 88.795114] TASK =3D c02a6490[134] 'xsysace' THREAD: c02f8000 [ 88.859680] GPR00: 00000001 C0191AE0 C02A6490 00000000 C01B3770 00000012 00000700 00000010 [ 88.959664] GPR08: FFFFFFFA 00000020 00000000 00000005 00000000 FFFF87B8 03FD0700 00000000 [ 89.059648] GPR16: 00000001 00800000 03FCF588 00000000 FFFFFFFF 007FFF00 03FC9FFC 00000002 [ 89.159632] GPR24: 03E667C0 C01B0000 C010600C C01B3770 00000012 00000000 00000000 C0191D40 [ 89.261699] NIP [C001327C] xmon_write+0x38/0xbc [ 89.315858] LR [C001666C] xmon_vfprintf+0x34/0x48 [ 89.372097] Call Trace: [ 89.401261] Instruction dump: [ 89.436673] bf61000c 90010024 3d20c01b 8009f1bc 7c9b2378 2f800000 7cbc2b78 40be0008 [ 89.529366] 4bfffe2d 3ba00000 3bc00000 48000054 <880b0000> 7c0a4839 4182fff8 7ffbf0ae [ 89.624178] Oops: kernel access of bad area, sig: 11 [#7] [ 89.688719] NIP: C001327C LR: C001666C CTR: 00000000 [ 89.748087] REGS: c0191570 TRAP: 0300 Not tainted (2.6.20) [ 89.816818] MSR: 00021030 CR: 28000048 XER: 00000000 [ 89.889724] DAR: 00000005, DSISR: 00000000 [ 89.938679] TASK =3D c02a6490[134] 'xsysace' THREAD: c02f8000 [ 90.003245] GPR00: 00000001 C0191620 C02A6490 00000000 C01B3770 00000012 00000700 00000010 [ 90.103229] GPR08: FFFFFFFA 00000020 00000000 00000005 00000000 FFFF87B8 03FD0700 00000000 [ 90.203213] GPR16: 00000001 00800000 03FCF588 00000000 FFFFFFFF 007FFF00 03FC9FFC 00000002 [ 90.303197] GPR24: 03E667C0 C01B0000 C010600C C01B3770 00000012 00000000 00000000 C0191880 [ 90.405265] NIP [C001327C] xmon_write+0x38/0xbc [ 90.459422] LR [C001666C] xmon_vfprintf+0x34/0x48 [ 90.515662] Call Trace: [ 90.544826] Instruction dump: [ 90.580238] bf61000c 90010024 3d20c01b 8009f1bc 7c9b2378 2f800000 7cbc2b78 40be0008 [ 90.672930] 4bfffe2d 3ba00000 3bc00000 48000054 <880b0000> 7c0a4839 4182fff8 7ffbf0ae [ 90.767743] Oops: kernel access of bad area, sig: 11 [#8] [ 90.832285] NIP: C001327C LR: C001666C CTR: 00000000 [ 90.891654] REGS: c01910b0 TRAP: 0300 Not tainted (2.6.20) [ 90.960383] MSR: 00021030 CR: 28000048 XER: 00000000 [ 91.033289] DAR: 00000005, DSISR: 00000000 [ 91.082245] TASK =3D c02a6490[134] 'xsysace' THREAD: c02f8000 [ 91.146811] GPR00: 00000001 C0191160 C02A6490 00000000 C01B3770 00000012 00000700 00000010 [ 91.246795] GPR08: FFFFFFFA 00000020 00000000 00000005 00000000 FFFF87B8 03FD0700 00000000 [ 91.346779] GPR16: 00000001 00800000 03FCF588 00000000 FFFFFFFF 007FFF00 03FC9FFC 00000002 [ 91.446762] GPR24: 03E667C0 C01B0000 C010600C C01B3770 00000012 00000000 00000000 C01913C0 [ 91.548831] NIP [C001327C] xmon_write+0x38/0xbc [ 91.602989] LR [C001666C] xmon_vfprintf+0x34/0x48 [ 91.659227] Call Trace: [ 91.688390] Instruction dump: [ 91.723804] bf61000c 90010024 3d20c01b 8009f1bc 7c9b2378 2f800000 7cbc2b78 40be0008 [ 91.816495] 4bfffe2d 3ba00000 3bc00000 48000054 <880b0000> 7c0a4839 4182fff8 7ffbf0ae Qin Lin --=20 View this message in context: http://www.nabble.com/ML403-AC97-ALSA-Driver-= problem-tf4351591.html#a12399427 Sent from the linuxppc-embedded mailing list archive at Nabble.com.