From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: non-fatal oops with EIP at skb_release_data, available for debugging Date: Wed, 25 May 2005 22:00:03 -0700 Message-ID: <20050525220003.5f6ab060.akpm@osdl.org> References: <5a4c581d05030412482a596ee5@mail.gmail.com> <5a4c581d05040615306f12ebde@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@oss.sgi.com Return-path: To: Alessandro Suardi In-Reply-To: <5a4c581d05040615306f12ebde@mail.gmail.com> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Alessandro Suardi wrote: > > Quoting my post of over a month ago, hit another > non-fatal oops this time with 2.6.12-rc1-bk2... Has this bug been sighted in more recent kernels? > [17330.816664] Adding 232932k swap on /dev/hdb4. Priority:-2 extents:1 > [42120.713332] UDP: bad checksum. From 84.188.199.xxx:57483 to > 192.168.1.7:10600 ulen 27 > [56984.872784] UDP: bad checksum. From 216.155.90.xxx:11417 to > 192.168.1.7:10600 ulen 28 > [383152.586711] scsi: unknown opcode 0x01 > [630539.047761] UDP: short packet: From 4.46.101.xxx:5431 58/27 to > 192.168.1.7:1 0600 > [681405.777002] ------------[ cut here ]------------ > [681405.777337] kernel BUG at include/linux/mm.h:343! > [681405.777642] invalid operand: 0000 [#1] > [681405.777885] PREEMPT > [681405.778041] Modules linked in: parport_pc parport 8139too floppy > [681405.778488] CPU: 0 > [681405.778491] EIP: 0060:[] Not tainted VLI > [681405.778494] EFLAGS: 00210256 (2.6.12-rc1-bk2) > [681405.779293] EIP is at skb_release_data+0xa3/0xb0 > [681405.779593] eax: 00000000 ebx: 00000002 ecx: ceb1af80 edx: c10eeb40 > [681405.780027] esi: c30785c0 edi: c30785c0 ebp: ccd95d28 esp: ccd95d20 > [681405.780458] ds: 007b es: 007b ss: 0068 > [681405.780723] Process metacity (pid: 2190, threadinfo=ccd94000 task=cb501a40) > [681405.781164] Stack: c30785c0 00000020 ccd95d34 c02dcd3b cec7a6c0 > ccd95d54 c02 dcdb7 ccd95f3c > [681405.781807] 00001620 c30785c0 506c6f85 c30785c0 506c6f85 > ccd95da8 c03 0100a 00000000 > [681405.782448] c02dc46f caf7d420 ccd95d80 00000001 caf7d46c > ccd94000 000 00001 00000000 > [681405.783088] Call Trace: > [681405.783258] [] show_stack+0x7a/0x90 > [681405.783574] [] show_registers+0x14d/0x1c0 > [681405.783915] [] die+0xe4/0x170 > [681405.784192] [] do_invalid_op+0xa3/0xb0 > [681405.784517] [] error_code+0x2b/0x30 > [681405.785009] [] kfree_skbmem+0xb/0x20 > [681405.785494] [] __kfree_skb+0x67/0xf0 > [681405.785978] [] tcp_recvmsg+0x5fa/0x720 > [681405.786477] [] sock_common_recvmsg+0x46/0x60 > [681405.787004] [] sock_recvmsg+0xbd/0xf0 > [681405.787493] [] sock_readv_writev+0x83/0x90 > [681405.788009] [] sock_readv+0x3b/0x50 > [681405.788487] [] do_readv_writev+0x205/0x230 > [681405.789004] [] vfs_readv+0x3d/0x50 > [681405.789476] [] sys_readv+0x3d/0xa0 > [681405.789947] [] sysenter_past_esp+0x54/0x75 > [681405.790461] Code: 8b 86 98 00 00 00 5e c9 e9 7b e9 e5 ff 89 d0 e8 > 44 f7 e5 f f eb d6 89 f0 e8 fb fe ff ff 5b 8b 86 98 00 00 00 5e c9 e9 > 5d e9 e5 ff <0f> 0b 5 7 01 32 ed 35 c0 eb ac 8d 76 00 55 89 e5 53 89 > c3 e8 45 > [681405.857278] <7>UDP: short packet: From 213.23.1.xxx:11236 2814/33 > to 192.168. 1.7:10600 > > > On Mar 4, 2005 10:48 PM, Alessandro Suardi wrote: > > This is my K7-800, 256MB RAM machine running as > > ed2k/bittorrent 24/7 box... metacity died, but the > > windows are still alive (and working) so if someone > > wants to get more info about it, just ping me... > > > > [root@donkey ~]# cat /proc/version > > Linux version 2.6.11-rc3-bk8 (asuardi@donkey) (gcc version 3.4.2 > > 20041017 (Red Hat 3.4.2-6.fc3)) #1 Sat Feb 12 00:01:28 CET 2005 > > [root@donkey ~]# lsmod > > Module Size Used by > > loop 15368 - > > nls_iso8859_1 3840 - > > parport_pc 29444 - > > parport 24704 - > > 8139too 24896 - > > floppy 57392 - > > > > From the dmesg ring: > > > > kernel BUG at include/linux/mm.h:343! > > invalid operand: 0000 [#1] > > PREEMPT > > Modules linked in: loop nls_iso8859_1 parport_pc parport 8139too floppy > > CPU: 0 > > EIP: 0060:[] Not tainted VLI > > EFLAGS: 00210256 (2.6.11-rc3-bk8) > > EIP is at skb_release_data+0x92/0xa0 > > eax: 00000000 ebx: 00000000 ecx: cca36f80 edx: c11a97c0 > > esi: c4205f20 edi: c4205f20 ebp: cd149dcc esp: cd149dc4 > > ds: 007b es: 007b ss: 0068 > > Process metacity (pid: 2109, threadinfo=cd148000 task=ce8935d0) > > Stack: c4205f20 00000000 cd149dd8 c02da6bb c6e9a0c0 cd149df8 c02da737 c5134250 > > 00000000 c4205f20 c5134250 c4205f20 c5134250 cd149e4c c02feba6 00000000 > > 00000040 cc68c454 00000000 00000001 cc68c444 cd148000 00000001 00000000 > > Call Trace: > > [] show_stack+0x7a/0x90 > > [] show_registers+0x14d/0x1c0 > > [] die+0xe4/0x180 > > [] do_invalid_op+0xa3/0xb0 > > [] error_code+0x2b/0x30 > > [] kfree_skbmem+0xb/0x20 > > [] __kfree_skb+0x67/0xf0 > > [] tcp_recvmsg+0x5f6/0x710 > > [] sock_common_recvmsg+0x46/0x60 > > [] sock_aio_read+0xee/0x100 > > [] do_sync_read+0x97/0xf0 > > [] vfs_read+0x91/0x120 > > [] sys_read+0x3d/0x70 > > [] sysenter_past_esp+0x52/0x75 > > Code: c9 e9 03 e5 e5 ff 8d 76 00 5b 5e c9 c3 89 d0 e8 c5 f2 e5 ff eb > > cf 89 f0 e8 0c ff ff ff 5b 8b 86 98 00 00 00 5e c9 e9 de e4 e5 ff <0f> > > 0b 57 01 ab c5 35 c0 eb a5 8d 74 26 00 55 89 e5 53 89 c3 e8 > > --alessandro > > "I want to know if it's you I don't trust > 'cause I damn sure don't trust myself" > > (Bruce Springsteen, "Brilliant Disguise") > - > 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/