From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Reed Subject: scsi-misc crash - WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0x150/0x180() Date: Fri, 04 Dec 2009 11:27:55 -0600 Message-ID: <4B19469B.6000009@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from relay2.sgi.com ([192.48.179.30]:38000 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756546AbZLDR1t (ORCPT ); Fri, 4 Dec 2009 12:27:49 -0500 Received: from estes.americas.sgi.com (estes.americas.sgi.com [128.162.236.10]) by relay2.corp.sgi.com (Postfix) with ESMTP id A27633040D4 for ; Fri, 4 Dec 2009 09:27:55 -0800 (PST) Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi Cc: Jeremy Higdon This is with scsi-misc pull from a couple days ago. kernel is rc5 based. (I added the kdb patches....) I'll see what I can see with this, but thought I'd post here in case someone else has fix / suggestions. ------------[ cut here ]------------ WARNING: at fs/sysfs/dir.c:487 sysfs_add_one+0x150/0x180() sysfs: cannot create duplicate filename '/dev/block/259:913408' Modules linked in: qla2xxx(+) mptfc(+) mptscsih shpchp lpfc mptbase ide_cd_mod pci_hotplug tg3 scsi_transport_fc button cdrom scsi_tgt sg qla1280 xfs exportfs fan thermal processor thermal_sys hwmon sgiioc4 ide_core ioc4 Call Trace: [] show_stack+0x80/0xa0 3 out of 4 cpus in kdb, waiting for the rest, timeout in 10 second(s) sp=e0000030f47afb60 bsp=e0000030f47a1440 [] dump_stack+0x30/0x50 sp=e0000030f47afd30 bsp=e0000030f47a1428 [] warn_slowpath_common+0xc0/0x120 sp=e0000030f47afd30 bsp=e0000030f47a13e8 [] warn_slowpath_fmt+0x90/0xc0 sp=e0000030f47afd30 bsp=e0000030f47a1388 [] sysfs_add_one+0x150/0x180 sp=e0000030f47afd70 bsp=e0000030f47a1348 [] sysfs_do_create_link+0x190/0x300 sp=e0000030f47afd70 bsp=e0000030f47a1308 [] sysfs_create_link+0x30/0x60 sp=e0000030f47afd90 bsp=e0000030f47a12d8 [] device_add+0x4f0/0xf60 sp=e0000030f47afd90 bsp=e0000030f47a1258 [] register_disk+0x80/0x3a0 sp=e0000030f47afda0 bsp=e0000030f47a1220 [] add_disk+0x250/0x300 sp=e0000030f47afdc0 bsp=e0000030f47a11e8 [] sd_probe_async+0x410/0x4e0 sp=e0000030f47afdd0 bsp=e0000030f47a11a0 [] async_thread+0x260/0x5a0 sp=e0000030f47afdd0 bsp=e0000030f47a1120 [] kthread+0x100/0x140 sp=e0000030f47afe00 bsp=e0000030f47a10e8 [] kernel_thread_helper+0xd0/0x100 sp=e0000030f47afe30 bsp=e0000030f47a10c0 [] start_kernel_thread+0x20/0x40 sp=e0000030f47afe30 bsp=e0000030f47a10c0 ---[ end trace 88eefd1b748be9ab ]--- Unable to handle kernel NULL pointer dereference (address 0000000000000038) async/93[1469]: Oops 8813272891392 [1] Modules linked in: qla2xxx(+) mptfc(+) mptscsih shpchp lpfc mptbase ide_cd_mod pci_hotplug tg3 scsi_transport_fc button cdrom scsi_tgt sg qla1280 xfs exportfs fan thermal processor thermal_sys hwmon sgiioc4 ide_core ioc4 Pid: 1469, CPU 0, comm: async/93 psr : 00001010095a6010 ifs : 800000000000030a ip : [] Tainted: G W (2.6.32-rc5-scsi-misc) ip is at sysfs_addrm_start+0x70/0x1a0 unat: 0000000000000000 pfs : 000000000000030a rsc : 0000000000000003 rnat: 3734386265396162 bsps: 3838656566643162 pr : 000000000000aa41 ldrs: 0000000000000000 ccv : 0000000000000001 fpsr: 0009804c8a70433f csd : 0000000000000000 ssd : 0000000000000000 b0 : a000000100308350 b6 : a00000010043a9a0 b7 : a00000010000d170 f6 : 1003e0000000000000001 f7 : 1003e8888888888888889 f8 : 1003e0000000000000002 f9 : 1003e8888888888888889 f10 : 1003ee84a4815c0000000 f11 : 1003e0000000000000003 r1 : a0000001015b8220 r2 : a0000001013d86e8 r3 : 0000000000000038 r8 : e0000030f47a1070 r9 : 0000000000000078 r10 : 000000000000000f r11 : 000000000000000f r12 : e0000030f47afd60 r13 : e0000030f47a0000 r14 : a0000001013d86e8 r15 : a0000001013a2718 r16 : e00000b00301b2a0 r17 : e0000030f47a1070 r18 : e00000b003020000 r19 : a0000001015056e0 r20 : e0000030f45b1060 r21 : a0000001012b6db8 r22 : a0000001013d62a0 r23 : a0000001013d62a0 r24 : e0000030f45b1060 r25 : e0000030f45b0000 r26 : 0000000000000000 r27 : e0000030f45b0000 r28 : 0000000000000000 r29 : 0000000000000000 r30 : 0000000000000053 r31 : 00000000000003c0 Call Trace: [] show_stack+0x80/0xa0 sp=e0000030f47af920 bsp=e0000030f47a14d8 [] show_regs+0x640/0x920 sp=e0000030f47afaf0 bsp=e0000030f47a1480 [] die+0x190/0x2a0 sp=e0000030f47afb00 bsp=e0000030f47a1440 [] ia64_do_page_fault+0x840/0xba0 sp=e0000030f47afb00 bsp=e0000030f47a13d8 [] ia64_native_leave_kernel+0x0/0x270 sp=e0000030f47afb90 bsp=e0000030f47a13d8 [] sysfs_addrm_start+0x70/0x1a0 sp=e0000030f47afd60 bsp=e0000030f47a1388 [] create_dir+0x70/0x100 sp=e0000030f47afd60 bsp=e0000030f47a1350 [] sysfs_create_dir+0x70/0x100 sp=e0000030f47afd80 bsp=e0000030f47a1330 [] kobject_add_internal+0x200/0x5c0 sp=e0000030f47afd90 bsp=e0000030f47a12e8 [] kobject_add_varg+0x60/0xc0 sp=e0000030f47afd90 bsp=e0000030f47a12b0 [] kobject_add+0x90/0x140 sp=e0000030f47afd90 bsp=e0000030f47a1250 [] blk_register_queue+0x70/0x180 sp=e0000030f47afdc0 bsp=e0000030f47a1220 [] add_disk+0x260/0x300 sp=e0000030f47afdc0 bsp=e0000030f47a11e8 [] sd_probe_async+0x410/0x4e0 sp=e0000030f47afdd0 bsp=e0000030f47a11a0 [] async_thread+0x260/0x5a0 sp=e0000030f47afdd0 bsp=e0000030f47a1120 [] kthread+0x100/0x140 . sp=e0000030f47afe00 bsp=e0000030f47a10e8 [] kernel_thread_helper+0xd0/0x100 sp=e0000030f47afe30 bsp=e0000030f47a10c0 [] start_kernel_thread+0x20/0x40 sp=e0000030f47afe30 bsp=e0000030f47a10c0 Disabling lock debugging due to kernel taint All cpus are now in kdb Entering kdb (current=0xe0000030f47a0000, pid 1469) on processor 0 Oops: due to oops @ 0xa000000100308370 psr: 0x00001010095a6010 ifs: 0x800000000000030a ip: 0xa000000100308370 unat: 0x0000000000000000 pfs: 0x000000000000030a rsc: 0x0000000000000003 rnat: 0x3734386265396162 bsps: 0x3838656566643162 pr: 0x000000000000aa41 ldrs: 0x0000000000000000 ccv: 0x0000000000000001 fpsr: 0x0009804c8a70433f b0: 0xa000000100308350 b6: 0xa00000010043a9a0 b7: 0xa00000010000d170 r1: 0xa0000001015b8220 r2: 0xa0000001013d86e8 r3: 0x0000000000000038 r8: 0xe0000030f47a1070 r9: 0x0000000000000078 r10: 0x000000000000000f r11: 0x000000000000000f r12: 0xe0000030f47afd60 r13: 0xe0000030f47a0000 r14: 0xa0000001013d86e8 r15: 0xa0000001013a2718 r16: 0xe00000b00301b2a0 r17: 0xe0000030f47a1070 r18: 0xe00000b003020000 r19: 0xa0000001015056e0 r20: 0xe0000030f45b1060 r21: 0xa0000001012b6db8 r22: 0xa0000001013d62a0 r23: 0xa0000001013d62a0 r24: 0xe0000030f45b1060 r25: 0xe0000030f45b0000 r26: 0x0000000000000000 r27: 0xe0000030f45b0000 r28: 0x0000000000000000 r29: 0x0000000000000000 r30: 0x0000000000000053 r31: 0x00000000000003c0 ®s = e0000030f47afba0 [0]kdb>