From mboxrd@z Thu Jan 1 00:00:00 1970 From: Evan Felix Date: Fri, 15 Aug 2003 22:37:39 +0000 Subject: ia64 2.6.0-test3 crashes on IOZone Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: linux-ia64@vger.kernel.org Recently i've been trying to run linux 2.6.0-test3 on a HP zx2000, I've run IOZone twice on the system and both times it has crashed with: pdflush[546]: General Exception: IA-64 Reserved Register/Field fault (data acce] = =20 Pid: 546, CPU 0, comm: =20 pdflush =20 psr : 0000101008026018 ifs : 8000000000000002 ip : [] Notd ip is at kmem_cache_free+0xe0/0x180 =20 unat: a0000001003a0ef0 pfs : 000000000000040b rsc : e00000000ffbc3c0 =20 rnat: 0000000000001000 bsps: 0000000000000000 pr : a0000001009d60b0 =20 ldrs: 0000000000000712 ccv : 0000028000000030 fpsr: 000000000000030a =20 csd : c00000000ffbc3ea ssd : 0000000000000000 =20 b0 : a000000100301b60 b6 : 000000000000c000 b7 : e00000000ffbc3c0 =20 f6 : 00003e000000025d70e60 f7 : e000000017f3eb30e000000017f3ebb0 =20 f8 : 00005a000000100011ae0 f9 : 100068000000000000000 =20 f10 : 1000397fffffff6800000 f11 : 1003e0000000000000013 =20 r1 : e00000000ffbc3c0 r2 : a000000100113970 r3 : 0000000000000206 =20 r8 : e00000003ebf02a0 r9 : 0000000000054000 r10 : 0000000000000000 =20 r11 : 0000000000000000 r12 : a0000001009d60b0 r13 : a000000100116820 =20 r14 : a0000001009d60b0 r15 : e00000000ffbc3c0 r16 : a0000001000c5ae0 =20 r17 : a0000001009d60b0 r18 : a000000100115270 r19 : 0000000000000207 =20 r20 : a000000100115270 r21 : 0000000000000207 r22 : e00000000481ea00 =20 r23 : e00000000ffbc3c0 r24 : 0000001008026018 r25 : a0000001000c5980 =20 r26 : 0000000000000308 r27 : e00000000481ea10 r28 : e00000000481edd0 =20 r29 : 000000000000000f r30 : e000000017f3ebb0 r31 : 0000000000000018 =20 = =20 Call Trace: = [] show_stack+0x80/0xa0 =20 sp=E000000017f3ed80 bsp=E000000017f3ed68 =20 [] die+0x200/0x300 =20 sp=E000000017f3ef50 bsp=E000000017f3ed40 =20 [] ia64_fault+0x150/0xb20 =20 sp=E000000017f3ef50 bsp=E000000017f3ed00 =20 [] ia64_leave_kernel+0x0/0x280 =20 sp=E000000017f3f050 bsp=E000000017f3ed00 =20 <0>Kernel panic: Aiee, killing interrupt handler! =20 In interrupt handler - not syncing =20 I dont think the stack trace is complete, but here is the relavant code from objdump for kmem_cache_free+0xe0/0x180: mm/slab.c:2125 3c70: 02 b0 00 00 25 04 [MII] mov r22=3Dpsr 3c76: f0 00 00 00 49 a0 mov r15=16384;; 3c7c: f2 10 31 80 and r21=3Dr15,r34 3c80: 03 00 00 00 01 00 [MII] nop.m 0x0 3c86: 00 00 00 02 00 e0 nop.i 0x0;; 3c8c: 50 01 18 e0 cmp.eq p7,p6=3Dr21,r0;; 3c90: d9 00 00 02 06 c0 [MMB] (p06) ssm 0x4000 3c96: 01 00 04 0e 00 00 (p07) rsm 0x4000 3c9c: 00 00 00 20 nop.b 0x0;; 3ca0: c0 00 00 00 30 00 [MII] (p06) srlz.d 3ca6: 80 01 00 60 00 80 mov r24=3Dip 3cac: f2 b0 30 80 and r20=3Dr15,r22 3cb0: 02 78 00 02 00 24 [MII] addl r15=3D0,r1 3cb6: 90 00 54 10 72 40 cmp.eq p9,p8=3D0,r21;; 3cbc: 01 a0 2c e4 cmp.eq p10,p11=3D0,r20 3cc0: 56 01 08 00 c0 10 [BBB] (p10) br.cond.dpnt.few 3ce0 3cc6: 02 10 00 80 21 00 (p08) br.cond.dpnt.few 3ce0 3ccc: 00 00 00 20 nop.b 0x0 3cd0: 0a b8 00 1e 18 10 [MMI] ld8 r23=3D[r15];; mm/slab.c:2131 It did actually complete some of the IOZONE: Command line used: ./iozone -aze -M -i 0 -i 1 -n 1g -g 4g -R -b j2.xls -f /tmp/iozone.tmp Output is in Kbytes/sec Time Resolution =3D 0.000001 seconds. Processor cache size set to 1024 Kbytes. Processor cache line size set to 32 bytes. File stride size set to 17 * record size. =20 random=20 random bkwd record=20 stride =20 KB reclen write rewrite read reread read =20 write read rewrite read fwrite frewrite fread freread =20 1048576 4 43462 42361 86255 78589 1048576 8 43811 42776 47928 48794 1048576 16 43965 43113 48427 48885 1048576 32 44198 43177 48516 48866 1048576 64 44010 43113 48497 48834 1048576 128 43900 43103 48534 48858 1048576 256 43922 43103 48516 48812 1048576 512 43967 43104 48471 48834 1048576 1024 43869 43095 48441 46100 1048576 2048 43880 43012 48501 48824 1048576 4096 44096 43605 44953 48838 1048576 8192 44138 43163 48442 48884 1048576 16384 43879 42989 48444 48848 2097152 4 43431 39915 48297 48321 2097152 8 43534 38964 48306 48298 2097152 16 43583 39956 47097 48025 2097152 32 43561 40084 48316 48223 2097152 64 43610 40130 48335 48313 2097152 128 43626 40185 48332 48316 2097152 256 43540 40052 48302 48266 2097152 512 43703 39468 47964 48327 2097152 1024 43541 39975 48238 48316 2097152 2048 43715 40091 48283 48275 2097152 4096 43587 40024 48330 48300 2097152 8192 43624 39977 48298 48316 2097152 16384 42779 39704 48335 48333 4194304 4 42774 37505 47486 47484 4194304 8Read from remote host j: Connection timed out Evan --=20 ------------------------- Evan Felix Environmental Molecular Sciences Laboratory Pacific Northwest National Laboratory Operated for the U.S. DOE by Battelle