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2006年11月13日(月) [n年日記] Last Update: "2006/12/12 23:32:31"#3 [4.99.3] patch for sys/sys/queue.h
as a result, followin patch fix the problem I've been tracing for these month.
Index: sys/sys/queue.h =================================================================== RCS file: /export/20061008/Repository/src/sys/sys/queue.h,v retrieving revision 1.1.1.1 diff -u -r1.1.1.1 queue.h --- sys/sys/queue.h 8 Oct 2006 17:09:38 -0000 1.1.1.1 +++ sys/sys/queue.h 13 Nov 2006 08:11:39 -0000 @@ -161,7 +161,7 @@ #define LIST_FOREACH(var, head, field) \ for ((var) = ((head)->lh_first); \ - (var); \ + (var != NULL); \ (var) = ((var)->field.le_next)) /*... no ... still .. there .. cvs update: Updating graphics/gphoto/files cvs update: Updating graphics/gphoto/patches login: Nov 13 17:01:54 livorno getty[559]: /dev/ttyE0: Device not configured tlp0: transmit underrun; new threshold: 96/256 bytes trap type 300 at 38dcbc Stopped in pid 73.1 (cvs) at netbsd:cache_lookup+0x8c: lwz 0,32(31) db> ＠ Now queue.h patch + -O1 for vfs_cache.c:U print/libgnomecups/src/dist/smbfs/lib/smb/rq.c U print/libgnomecups/src/dist/smbfs/lib/smb/subr.c cvs update: Updating print/libgnomecups/src/dist/smbfs/mount_smbfs trap type 300 at 3a6170 Stopped in pid 562.1 (cvs) at netbsd:cache_lookup_entry+0x68: lwz 9,32(9) db> tlp0: receive ring overrun bt at cache_lookup+a8 at ufs_lookup+110 at VOP_LOOKUP+34 at lookup+2f4 at namei+10c at sys___stat30+50 at syscall_plain+14c at setfault+c54 db> ＠ cache_lookup_entry:
003a6108 <cache_lookup_entry>:
3a6108: 94 21 ff d0 stwu r1,-48(r1)
3a610c: 7c 08 02 a6 mflr r0
3a6110: 93 e1 00 2c stw r31,44(r1)
3a6114: 90 01 00 34 stw r0,52(r1)
3a6118: 7c 3f 0b 78 mr r31,r1
3a611c: 90 7f 00 18 stw r3,24(r31)
3a6120: 90 9f 00 1c stw r4,28(r31)
3a6124: 81 3f 00 1c lwz r9,28(r31)
3a6128: 81 29 00 1c lwz r9,28(r9)
3a612c: 80 1f 00 18 lwz r0,24(r31)
3a6130: 54 00 e8 fe rlwinm r0,r0,29,3,31
3a6134: 7d 2b 02 78 xor r11,r9,r0
3a6138: 3d 20 00 61 lis r9,97
3a613c: 80 09 61 e0 lwz r0,25056(r9)
3a6140: 7d 60 00 38 and r0,r11,r0
3a6144: 54 00 10 3a rlwinm r0,r0,2,0,29
3a6148: 7c 0b 03 78 mr r11,r0
3a614c: 3d 20 00 61 lis r9,97
3a6150: 80 09 61 e4 lwz r0,25060(r9)
3a6154: 7c 0b 02 14 add r0,r11,r0
3a6158: 90 1f 00 0c stw r0,12(r31)
3a615c: 81 3f 00 0c lwz r9,12(r31)
3a6160: 80 09 00 00 lwz r0,0(r9) // ncp = ncpp
3a6164: 90 1f 00 08 stw r0,8(r31)
3a6168: 48 00 00 7c b 3a61e4 <cache_lookup_entry+0xdc>
(loop) // LIST_FOREACH
3a616c: 81 3f 00 08 lwz r9,8(r31) //
3a6170: 81 29 00 20 lwz r9,32(r9) // traps here ここで落ちる
3a6174: 80 1f 00 18 lwz r0,24(r31) //
3a6178: 7f 89 00 00 cmpw cr7,r9,r0 //
3a617c: 40 9e 00 5c bne- cr7,3a61d8 <cache_lookup_entry+0xd0>
3a6180: 81 3f 00 08 lwz r9,8(r31) // if (ncp-> ..
3a6184: 88 09 00 34 lbz r0,52(r9)
3a6188: 54 00 06 3e clrlwi r0,r0,24
3a618c: 7c 0b 03 78 mr r11,r0
3a6190: 81 3f 00 1c lwz r9,28(r31)
3a6194: 80 09 00 18 lwz r0,24(r9)
3a6198: 7f 8b 00 00 cmpw cr7,r11,r0
3a619c: 40 9e 00 3c bne- cr7,3a61d8 <cache_lookup_entry+0xd0>
3a61a0: 81 3f 00 08 lwz r9,8(r31) // ncp->nc_name
3a61a4: 39 69 00 35 addi r11,r9,53
3a61a8: 81 3f 00 1c lwz r9,28(r31) // cnp->cn_nameptr
3a61ac: 81 49 00 14 lwz r10,20(r9)
3a61b0: 81 3f 00 08 lwz r9,8(r31) //(uint)ncp->nc_nlen
3a61b4: 88 09 00 34 lbz r0,52(r9)
3a61b8: 54 00 06 3e clrlwi r0,r0,24
3a61bc: 7d 63 5b 78 mr r3,r11 // ncp->nc_name
3a61c0: 7d 44 53 78 mr r4,r10 // cnp->cn_nameptr
3a61c4: 7c 05 03 78 mr r5,r0 // ncp->nc_nlen
3a61c8: 48 15 af 05 bl 5010cc <memcmp>
3a61cc: 7c 60 1b 78 mr r0,r3
3a61d0: 2f 80 00 00 cmpwi cr7,r0,0
3a61d4: 41 9e 00 1c beq- cr7,3a61f0 <cache_lookup_entry+0xe8> // break
3a61d8: 81 3f 00 08 lwz r9,8(r31)
3a61dc: 80 09 00 00 lwz r0,0(r9)
3a61e0: 90 1f 00 08 stw r0,8(r31)
3a61e4: 80 1f 00 08 lwz r0,8(r31)
3a61e8: 2f 80 00 00 cmpwi cr7,r0,0 // (var) ncp == 0 ?
3a61ec: 40 9e ff 80 bne+ cr7,3a616c <cache_lookup_entry+0x64>
// end of LIST_FOREACH
3a61f0: 80 1f 00 08 lwz r0,8(r31)
3a61f4: 7c 03 03 78 mr r3,r0
3a61f8: 81 61 00 00 lwz r11,0(r1)
3a61fc: 80 0b 00 04 lwz r0,4(r11)
3a6200: 7c 08 03 a6 mtlr r0
3a6204: 83 eb ff fc lwz r31,-4(r11)
3a6208: 7d 61 5b 78 mr r1,r11
3a620c: 4e 80 00 20 blr
Was inline ignored at this compile ?
(Probably with -O0)#2 [4.99.3] 別のところで落ちましたtlp0: transmit underrun; new threshold: 160/1024 bytes panic: kernel diagnostic assertion "(startoff & PAGE_MASK) == 0 && (endoff & PAGE_MASK) == 0" failed: file "/export/20061008/checkout/src/sys/miscfs/genfs/genfs_vnops.c", line 1081 Stopped in pid 6.1 (pagedaemon) at netbsd:cpu_Debugger+0x14: addi 1 ,1,16 db> bt at panic+1cc at __assert+2c at genfs_putpages+1e8 at VOP_PUTPAGES+40 at uvn_put+c at uvmpd_scan_queue+158 at uvmpd_scan+4c at uvm_pageout+168 at cpu_switchto+60 db>ここも -O1 ですかね .. で作り直したら、元の問題 trap type 300 at 38f99c Stopped in pid 663.1 (cvs) at netbsd:cache_lookup_raw+0xbc: lwz 0,32(31) db> tlp0: receive ring overrun bt at nfs_lookup+f0 at VOP_LOOKUP+34 at lookup+2f4 at namei+10c at vn_open+174 at sys_open+e0 at syscall_plain+14c at setfault+c54 db>作った方法は合っていると思う ttyr4:root@mini 14:42:14/061113(...obj/L2-1M-PB2-SHM)# ls -l netbsd genfs_vnops.o vfs_cache.o -rw-r--r-- 1 root wheel 23536 Nov 13 14:42 genfs_vnops.o -rwxr-xr-x 1 root wheel 5839756 Nov 13 14:42 netbsd* -rw-r--r-- 1 root wheel 9640 Nov 13 13:56 vfs_cache.o ttyr4:root@mini DING!/061113(...obj/L2-1M-PB2-SHM)#どうも、いつもここで落ちる ? cvs update: Updating databases/zope-mysql/pkg cvs update: Updating devel ＠ show register:db> show register r0 0xf8e0099a r1 0xe548fba0 r2 0 r3 0x169c888 r4 0xe548fe88 r5 0xe548fe9c r6 0 r7 0 r8 0 r9 0x30 r10 0xc044 r11 0xe0185000 r12 0x22002084 r13 0 r14 0x18a0000 r15 0x18a0000 r16 0x1880000 r17 0x18b7000 r18 0x18b11e0 r19 0xe548fcd8 r20 0 r21 0x20 r22 0 r23 0 r24 0 r25 0xe548fe88 r26 0xe548fe88 r27 0xe548fe9c r28 0xe548fe9c r29 0xf r30 0x169c888 r31 0xd8000000 iar 0x38f99c cache_lookup_raw+0xbc msr 0x9032 lr 0x28b520 nfs_lookup+0xf4 ctr 0x28b42c nfs_lookup cr 0x22042088 xer 0x9 netbsd:cache_lookup_raw+0xbc: lwz 0,32(31) db> #1 [4.99.3] trap type 300 at 38f918
10/20 の続き
trap type 300 at 38f918 Stopped in pid 446.1 (cvs) at netbsd:cache_lookup_raw+0x88: lwz 0,32(31) db> bt at nfs_lookup+f0 at VOP_LOOKUP+34 at lookup+2f4 at namei+10c at vn_open+174 at sys_open+e0 at syscall_plain+14c at setfault+c54 db> tlp0: receive ring overrun show registers r0 0x5a10e003 r1 0xe55dfba0 r2 0 r3 0x344ec88 r4 0xe55dfe88 r5 0xe55dfe9c r6 0 r7 0 r8 0x2f r9 0x30 r10 0xe0185000 r11 0x600000 fragttl_histo+0x8c r12 0x22002024 r13 0 r14 0x18a0000 r15 0x18a0000 r16 0x1880000 r17 0x18aec00 r18 0x18a8140 r19 0xe55dfcd8 r20 0 r21 0x20 r22 0 r23 0 r24 0x1 r25 0xe55dfe88 r26 0x84044 r27 0xe55dfe88 r28 0xe55dfe9c r29 0x3 r30 0x344ec88 r31 0x34a80000 iar 0x38f918 cache_lookup_raw+0x88 msr 0x9032 lr 0x28b520 nfs_lookup+0xf4 ctr 0x28b42c nfs_lookup cr 0x22022024 xer 0x6 netbsd:cache_lookup_raw+0x88: lwz 0,32(31) db> lwz 0,32(31) Load Word and Zero rD,d(rA) .... r31 + 32 を r0 に読む r31 0x34a80000となっているので 「0x34a80020 を読む」かな。確かに大きすぎる。880M .. > bc ibase = 16 34A80020 883425312 ↓ 883,425,312 M k ＠ ...obj/L2-1M-PB2-SHM)> objdump -S netbsd:青: 参照 白: 変更(代入) 赤: 問題 0038f88c <cache_lookup_raw>: 38f88c: 7c 08 02 a6 mflr r0 38f890: 94 21 ff d0 stwu r1,-48(r1) 38f894: 3d 20 00 60 lis r9,96 38f898: 93 61 00 1c stw r27,28(r1) 38f89c: 7c 9b 23 78 mr r27,r4 38f8a0: 93 81 00 20 stw r28,32(r1) 38f8a4: 7c bc 2b 78 mr r28,r5 38f8a8: 93 c1 00 28 stw r30,40(r1) 38f8ac: 7c 7e 1b 78 mr r30,r3 38f8b0: 93 a1 00 24 stw r29,36(r1) 38f8b4: 93 e1 00 2c stw r31,44(r1) 38f8b8: 90 01 00 34 stw r0,52(r1) 38f8bc: 81 29 e0 24 lwz r9,-8156(r9) 38f8c0: 2f 89 00 00 cmpwi cr7,r9,0 38f8c4: 41 9e 01 60 beq- cr7,38fa24 <cache_lookup_raw+0x198> 38f8c8: 83 a5 00 18 lwz r29,24(r5) 38f8cc: 2f 9d 00 1f cmpwi cr7,r29,31 38f8d0: 41 9d 01 30 bgt- cr7,38fa00 <cache_lookup_raw+0x174> ----- 38f8d4: 81 45 00 1c lwz r10,28(r5) 38f8d8: 3d 60 00 60 lis r11,96 38f8dc: 80 0b eb f0 lwz r0,-5136(r11) 38f8e0: 54 69 e8 fe rlwinm r9,r3,29,3,31 38f8e4: 7d 29 52 78 xor r9,r9,r10 38f8e8: 3d 60 00 60 lis r11,96 38f8ec: 7d 29 00 38 and r9,r9,r0 38f8f0: 81 4b eb f4 lwz r10,-5132(r11) 38f8f4: 55 29 10 3a rlwinm r9,r9,2,0,29 38f8f8: 7f e9 50 2e lwzx r31,r9,r10 38f8fc: 2f 9f 00 00 cmpwi cr7,r31,0 38f900: 40 be 00 14 bne+ cr7,38f914 <cache_lookup_raw+0x88> 38f904: 48 00 00 b8 b 38f9bc <cache_lookup_raw+0x130> 38f908: 83 ff 00 00 lwz r31,0(r31) 38f90c: 2f 9f 00 00 cmpwi cr7,r31,0 38f910: 41 9e 00 ac beq- cr7,38f9bc <cache_lookup_raw+0x130> 38f914: 80 1f 00 20 lwz r0,32(r31) ----- 38f918: 7f 9e 00 00 cmpw cr7,r30,r0 38f91c: 40 9e ff ec bne+ cr7,38f908 <cache_lookup_raw+0x7c> 38f920: 88 1f 00 34 lbz r0,52(r31) 38f924: 7f 9d 00 00 cmpw cr7,r29,r0 38f928: 40 9e ff e0 bne+ cr7,38f908 <cache_lookup_raw+0x7c> 38f92c: 80 9c 00 14 lwz r4,20(r28) 38f930: 38 7f 00 35 addi r3,r31,53 38f934: 7f a5 eb 78 mr r5,r29 38f938: 48 15 ac 31 bl 4ea568 <memcmp> 38f93c: 2c 03 00 00 cmpwi r3,0 38f940: 40 82 ff c8 bne+ 38f908 <cache_lookup_raw+0x7c> 38f944: 81 1f 00 08 lwz r8,8(r31) 38f948: 2f 88 00 00 cmpwi cr7,r8,0 38f94c: 41 9e 00 38 beq- cr7,38f984 <cache_lookup_raw+0xf8> 38f950: 80 1f 00 0c lwz r0,12(r31) 38f954: 3d 60 00 60 lis r11,96 38f958: 39 6b ec 04 addi r11,r11,-51160038fc04 <cache_enter>: の中に次の部分がある。これも cache_lookup_entry の inline (らしい) .. 38fc90: 4b ff f7 01 bl 38f390 <cache_remove> ----- 38fc94: 83 7c 00 1c lwz r27,28(r28) 38fc98: 3f 00 00 60 lis r24,96 38fc9c: 57 d9 e8 fe rlwinm r25,r30,29,3,31 38fca0: 80 18 eb f0 lwz r0,-5136(r24) 38fca4: 7f 29 da 78 xor r9,r25,r27 38fca8: 3e e0 00 60 lis r23,96 38fcac: 7d 29 00 38 and r9,r9,r0 38fcb0: 81 77 eb f4 lwz r11,-5132(r23) 38fcb4: 55 29 10 3a rlwinm r9,r9,2,0,29 38fcb8: 7f e9 58 2e lwzx r31,r9,r11 38fcbc: 2f 9f 00 00 cmpwi cr7,r31,0 38fcc0: 40 be 00 14 bne+ cr7,38fcd4 <cache_enter+0xd0> 38fcc4: 48 00 00 54 b 38fd18 <cache_enter+0x114> 38fcc8: 83 ff 00 00 lwz r31,0(r31) 38fccc: 2f 9f 00 00 cmpwi cr7,r31,0 38fcd0: 41 9e 00 48 beq- cr7,38fd18 <cache_enter+0x114> 38fcd4: 80 1f 00 20 lwz r0,32(r31) ----- 38fcd8: 7f 9e 00 00 cmpw cr7,r30,r0 38fcdc: 40 9e ff ec bne+ cr7,38fcc8 <cache_enter+0xc4> 38fce0: 88 bf 00 34 lbz r5,52(r31) 38fce4: 80 1c 00 18 lwz r0,24(r28) 38fce8: 7f 85 00 00 cmpw cr7,r5,r0 38fcec: 40 9e ff dc bne+ cr7,38fcc8 <cache_enter+0xc4> 38fcf0: 80 9c 00 14 lwz r4,20(r28) 38fcf4: 38 7f 00 35 addi r3,r31,53 38fcf8: 48 15 a8 71 bl 4ea568 <memcmp> 38fcfc: 2f 83 00 00 cmpwi cr7,r3,0つまり r31 を変更しているのは static inline struct namecache * cache_lookup_entry(const struct vnode *dvp, const struct componentname *cnp)の中。ここだけ最適化を外して作って見よう。 ＠ 一部だけ cc -O1:
123 13:32 ./build.sh -T /export/20061008/checkout/src/tooldir.NetBSD-3.99.21-powerpc
kernel=L2-1M-PB2-SHM
124 13:53 mv sys/arch/macppc/compile/obj/L2-1M-PB2-SHM/vfs_cache.o
sys/arch/macppc/compile/obj/L2-1M-PB2-SHM/vfs_cache.o-keep2
125 13:54 cd sys/arch/macppc/compile/obj/L2-1M-PB2-SHM
126 13:54 vi Makefile
134 13:56 rm vfs_cache.o
135 13:56 env TOOLDIR=/export/20061008/checkout/src/tooldir.NetBSD-3.99.21-powerpc
make
これで見かけ上問題を回避出来たような気がする。
何故そう思うかと言って cvs update をすると必ず落ちていたのが、落ちなくなった。
ちなみに -O2 を単に消してしまうと mfmsr 等のシンボルが未定義となってしまう。
ld -N -Ttext 100000 -e __start -S -o netbsd ${SYSTEM_OBJ} vers.o
autoconf.o: In function `cpu_configure':
autoconf.c:(.text+0x194): undefined reference to `mfmsr'
autoconf.c:(.text+0x1a4): undefined reference to `mtmsr'
machdep.o: In function `sysctl_machdep_setup':
machdep.c:(.text+0x11f0): undefined reference to `mfpvr'
*** Error code 1
＠ -O1 の時の objdump -d netbsd (cache_look_raw):0038f8e0 <cache_lookup_raw>: 38f8e0: 94 21 ff d0 stwu r1,-48(r1) 38f8e4: 7c 08 02 a6 mflr r0 38f8e8: 93 41 00 18 stw r26,24(r1) 38f8ec: 93 61 00 1c stw r27,28(r1) 38f8f0: 93 81 00 20 stw r28,32(r1) 38f8f4: 93 a1 00 24 stw r29,36(r1) 38f8f8: 93 c1 00 28 stw r30,40(r1) 38f8fc: 93 e1 00 2c stw r31,44(r1) 38f900: 90 01 00 34 stw r0,52(r1) 38f904: 7c 9a 23 78 mr r26,r4 38f908: 7c bc 2b 78 mr r28,r5 38f90c: 3d 20 00 60 lis r9,96 38f910: 81 29 de 54 lwz r9,-8620(r9) 38f914: 2f 89 00 00 cmpwi cr7,r9,0 38f918: 40 be 00 1c bne+ cr7,38f934 <cache_lookup_raw+0x54> 38f91c: 80 05 00 04 lwz r0,4(r5) 38f920: 54 00 04 a0 rlwinm r0,r0,0,18,16 38f924: 90 05 00 04 stw r0,4(r5) 38f928: 91 24 00 00 stw r9,0(r4) 38f92c: 38 60 ff ff li r3,-1 38f930: 48 00 01 a8 b 38fad8 <cache_lookup_raw+0x1f8> 38f934: 83 a5 00 18 lwz r29,24(r5) 38f938: 2f 9d 00 1f cmpwi cr7,r29,31 38f93c: 40 bd 00 28 ble+ cr7,38f964 <cache_lookup_raw+0x84> ----- 38f940: 3d 20 00 63 lis r9,99 38f944: 39 29 e1 a0 addi r9,r9,-7776 38f948: 81 69 00 14 lwz r11,20(r9) 38f94c: 39 6b 00 01 addi r11,r11,1 38f950: 91 69 00 14 stw r11,20(r9) 38f954: 80 05 00 04 lwz r0,4(r5) 38f958: 54 00 04 a0 rlwinm r0,r0,0,18,16 38f95c: 90 05 00 04 stw r0,4(r5) 38f960: 48 00 01 6c b 38facc <cache_lookup_raw+0x1ec> 38f964: 7c 7e 1b 78 mr r30,r3 38f968: 7c bb 2b 78 mr r27,r5 38f96c: 54 69 e8 fe rlwinm r9,r3,29,3,31 38f970: 80 05 00 1c lwz r0,28(r5) 38f974: 7d 29 02 78 xor r9,r9,r0 38f978: 3d 60 00 60 lis r11,96 38f97c: 80 0b ea 20 lwz r0,-5600(r11) 38f980: 7d 29 00 38 and r9,r9,r0 38f984: 3d 60 00 60 lis r11,96 38f988: 81 6b ea 24 lwz r11,-5596(r11) 38f98c: 55 29 10 3a rlwinm r9,r9,2,0,29 38f990: 7f e9 58 2e lwzx r31,r9,r11 38f994: 2f 9f 00 00 cmpwi cr7,r31,0 38f998: 41 9e 00 40 beq- cr7,38f9d8 <cache_lookup_raw+0xf8> 38f99c: 80 1f 00 20 lwz r0,32(r31) ----- 38f9a0: 7f 9e 00 00 cmpw cr7,r30,r0 38f9a4: 40 be 00 28 bne+ cr7,38f9cc <cache_lookup_raw+0xec> 38f9a8: 88 1f 00 34 lbz r0,52(r31) 38f9ac: 7f 9d 00 00 cmpw cr7,r29,r0 38f9b0: 40 be 00 1c bne+ cr7,38f9cc <cache_lookup_raw+0xec> 38f9b4: 38 7f 00 35 addi r3,r31,53 38f9b8: 80 9b 00 14 lwz r4,20(r27) 38f9bc: 7f a5 eb 78 mr r5,r29 38f9c0: 48 15 a9 e1 bl 4ea3a0 <memcmp> ＠ -O1 の時の objdump -d netbsd (cache_lookup):0038f4d8 <cache_lookup>: 38f4d8: 94 21 ff d0 stwu r1,-48(r1) 38f4dc: 7c 08 02 a6 mflr r0 38f4e0: 93 21 00 14 stw r25,20(r1) 38f4e4: 93 41 00 18 stw r26,24(r1) 38f4e8: 93 61 00 1c stw r27,28(r1) 38f4ec: 93 81 00 20 stw r28,32(r1) 38f4f0: 93 a1 00 24 stw r29,36(r1) 38f4f4: 93 c1 00 28 stw r30,40(r1) 38f4f8: 93 e1 00 2c stw r31,44(r1) 38f4fc: 90 01 00 34 stw r0,52(r1) 38f500: 7c 7b 1b 78 mr r27,r3 38f504: 7c 99 23 78 mr r25,r4 38f508: 7c bc 2b 78 mr r28,r5 38f50c: 3d 20 00 60 lis r9,96 38f510: 81 29 de c4 lwz r9,-8508(r9) 38f514: 2f 89 00 00 cmpwi cr7,r9,0 38f518: 40 be 00 1c bne+ cr7,38f534 <cache_lookup+0x5c> 38f51c: 80 05 00 04 lwz r0,4(r5) 38f520: 54 00 04 a0 rlwinm r0,r0,0,18,16 38f524: 90 05 00 04 stw r0,4(r5) 38f528: 91 24 00 00 stw r9,0(r4) 38f52c: 3b c0 ff ff li r30,-1 38f530: 48 00 03 80 b 38f8b0 <cache_lookup+0x3d8> 38f534: 83 a5 00 18 lwz r29,24(r5) 38f538: 2f 9d 00 1f cmpwi cr7,r29,31 38f53c: 40 bd 00 28 ble+ cr7,38f564 <cache_lookup+0x8c> ----- 38f540: 3d 20 00 63 lis r9,99 38f544: 39 29 e2 10 addi r9,r9,-7664 38f548: 81 69 00 14 lwz r11,20(r9) 38f54c: 39 6b 00 01 addi r11,r11,1 38f550: 91 69 00 14 stw r11,20(r9) 38f554: 80 05 00 04 lwz r0,4(r5) 38f558: 54 00 04 a0 rlwinm r0,r0,0,18,16 38f55c: 90 05 00 04 stw r0,4(r5) 38f560: 48 00 03 24 b 38f884 <cache_lookup+0x3ac> 38f564: 7c 7e 1b 78 mr r30,r3 38f568: 7c ba 2b 78 mr r26,r5 38f56c: 54 69 e8 fe rlwinm r9,r3,29,3,31 38f570: 80 05 00 1c lwz r0,28(r5) 38f574: 7d 29 02 78 xor r9,r9,r0 38f578: 3d 60 00 60 lis r11,96 38f57c: 80 0b ea 90 lwz r0,-5488(r11) 38f580: 7d 29 00 38 and r9,r9,r0 38f584: 3d 60 00 60 lis r11,96 38f588: 81 6b ea 94 lwz r11,-5484(r11) 38f58c: 55 29 10 3a rlwinm r9,r9,2,0,29 38f590: 7f e9 58 2e lwzx r31,r9,r11 38f594: 2f 9f 00 00 cmpwi cr7,r31,0 38f598: 41 9e 00 40 beq- cr7,38f5d8 <cache_lookup+0x100> 38f59c: 80 1f 00 20 lwz r0,32(r31) ---- 38f5a0: 7f 9e 00 00 cmpw cr7,r30,r0 38f5a4: 40 be 00 28 bne+ cr7,38f5cc <cache_lookup+0xf4> 38f5a8: 88 1f 00 34 lbz r0,52(r31) 38f5ac: 7f 9d 00 00 cmpw cr7,r29,r0 38f5b0: 40 be 00 1c bne+ cr7,38f5cc <cache_lookup+0xf4> 38f5b4: 38 7f 00 35 addi r3,r31,53 38f5b8: 80 9a 00 14 lwz r4,20(r26) 38f5bc: 7f a5 eb 78 mr r5,r29 38f5c0: 48 15 ae 49 bl 4ea408 <memcmp> 38f5c4: 2f 83 00 00 cmpwi cr7,r3,0 38f5c8: 41 9e 00 28 beq- cr7,38f5f0 <cache_lookup+0x118> 38f5cc: 83 ff 00 00 lwz r31,0(r31) 38f5d0: 2f 9f 00 00 cmpwi cr7,r31,0 38f5d4: 40 9e ff c8 bne+ cr7,38f59c <cache_lookup+0xc4> 38f5d8: 3d 60 00 63 lis r11,99 38f5dc: 39 6b e2 10 addi r11,r11,-7664(cache_lookup_raw と cache_lookup を比べていた) .. 2004年11月13日(土) [n年日記] Last Update: "2004/11/13 08:22:33"#2＠ :db> tr at panic+1b4 at remrunqueue+8c at schedcpu+220 at softclock+238 at do_pending_int+128 at spllower+54 at lcsplx+c at cpu_switchto+40 at mi_switch+158 at sa_switch+178 at ltsleep+400 at biowait+54 at bread+20 at ffs_read+2ac at ufs_readdir+c4 at vn_readdir+104 at sys_getdents+7c at syscall_plain+d8 at setfault+c58 db> #1 |
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