Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751497AbWLRBzZ (ORCPT ); Sun, 17 Dec 2006 20:55:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751503AbWLRBzZ (ORCPT ); Sun, 17 Dec 2006 20:55:25 -0500 Received: from py-out-1112.google.com ([64.233.166.181]:47778 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751497AbWLRBzY (ORCPT ); Sun, 17 Dec 2006 20:55:24 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:subject:from:to:content-type:content-transfer-encoding:date:message-id:mime-version:x-mailer; b=iffAX1jmu9VLbqUcrq+2wTUqZS5Rg6SDr9CnSW9Pon+wl8bPneibTTQSeFKEgE2eRLz0b2nftm2PseGhgd/c6HAVZYCU5gVPLe6jNgBCUh/1CSzWRDs/er7KoJIMprMPFxcEjFlSqeJrdcPNMlkcS7HaJEXmYwXKMaLPY9xUesQ= Subject: BUG on 2.6.20-rc1 when using gdb From: "Andrew J. Barr" To: linux-kernel@vger.kernel.org Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Sun, 17 Dec 2006 20:55:18 -0500 Message-Id: <1166406918.17143.5.camel@r51.oakcourt.dyndns.org> Mime-Version: 1.0 X-Mailer: Evolution 2.8.2.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3139 Lines: 73 When I was using gdb to debug xchat-gnome, I got a kernel BUG and stack trace as the program was running (e.g. I had typed 'run' in gdb): WARNING at kernel/softirq.c:137 local_bh_enable() [] dump_trace+0x68/0x1d9 [] show_trace_log_lvl+0x18/0x2c [] show_trace+0xf/0x11 [] dump_stack+0x12/0x14 [] local_bh_enable+0x44/0x94 [] unix_release_sock+0x6e/0x1fe [] unix_stream_connect+0x3b4/0x3cf [] sys_connect+0x82/0xad [] sys_socketcall+0xac/0x261 [] syscall_call+0x7/0xb [] 0xb7f70822 ======================= ------------[ cut here ]------------ kernel BUG at fs/buffer.c:1235! invalid opcode: 0000 [#1] PREEMPT Modules linked in: binfmt_misc rfcomm l2cap i915 drm bluetooth nfs nfsd exportfs lockd nfs_acl sunrpc nvram uinput ipv6 ppdev lp button ac battery dm_crypt dm_snapshot dm_mirror dm_mod fuse cpufreq_conservative cpufreq_ondemand cpufreq_performance cpufreq_powersave speedstep_centrino freq_table ibm_acpi loop snd_intel8x0m snd_pcm_oss snd_mixer_oss snd_intel8x0 snd_ac97_codec pcmcia ac97_bus irtty_sir sir_dev ipw2200 snd_pcm snd_timer irda ieee80211 ieee80211_crypt crc_ccitt rtc parport_pc parport 8250_pnp snd soundcore 8250_pci 8250 serial_core firmware_class i2c_i801 yenta_socket rsrc_nonstatic pcmcia_core snd_page_alloc i2c_core intel_agp agpgart evdev tsdev joydev ext3 jbd mbcache ide_cd cdrom ide_disk ide_generic e100 mii generic piix ide_core ehci_hcd uhci_hcd usbcore CPU: 0 EIP: 0060:[] Not tainted VLI EFLAGS: 00010046 (2.6.20-rc1 #1) EIP is at __find_get_block+0x1c/0x16f eax: 00000086 ebx: 00000000 ecx: 00000000 edx: 0088a800 esi: 0088a800 edi: 00000000 ebp: dfffd040 esp: cad2dd30 ds: 007b es: 007b ss: 0068 Process xchat-gnome (pid: 4322, ti=cad2c000 task=d0cd3ab0 task.ti=cad2c000) Stack: cad2dd58 c02caa0b 00000002 0000000e 0000000b 00000001 e8836580 0088a800 00000000 00000000 e8836610 00000000 c01793dc 00001000 c03ab3e0 f3cadd80 00000086 c90d41b0 0088a800 00000000 dfffd040 00008000 00000000 00000002 Call Trace: [] __getblk+0x23/0x268 [] ext3_getblk+0x10b/0x244 [ext3] [] ext3_bread+0x19/0x70 [ext3] [] dx_probe+0x43/0x2c9 [ext3] [] ext3_htree_fill_tree+0x99/0x1ba [ext3] [] ext3_readdir+0x1d4/0x5ed [ext3] [] vfs_readdir+0x63/0x8d [] sys_getdents64+0x63/0xa5 [] syscall_call+0x7/0xb [] 0xb7f70822 ======================= Code: 8b 40 08 a8 08 74 05 e8 02 2f 11 00 5b 5e c3 55 89 c5 57 89 cf 56 89 d6 53 83 ec 20 9c 58 90 8d b4 26 00 00 00 00 f6 c4 02 75 04 <0f> 0b eb fe 89 e0 25 00 e0 ff ff ff 40 14 31 c9 8b 1c 8d a0 74 EIP: [] __find_get_block+0x1c/0x16f SS:ESP 0068:cad2dd30 This happens on 2.6.20-rc1 but not 2.6.19. Andrew Barr andrew.james.barr@gmail.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/