Eu tinha alguns consoles abertos para outros trabalhos e quando voltei para eles, ambos continham o seguinte:
Message from syslogd@Stacey-Windows at Jun 19 09:43:28 ...
kernel:[ 4375.127165] general protection fault: 0000 [#1] SMP
Message from syslogd@Stacey-Windows at Jun 19 09:43:28 ...
kernel:[ 4375.127311] Stack:
Message from syslogd@Stacey-Windows at Jun 19 09:43:28 ...
kernel:[ 4375.127330] Call Trace:
Message from syslogd@Stacey-Windows at Jun 19 09:43:28 ...
kernel:[ 4375.127423] Code: 00 00 89 44 24 24 c7 44 24 30 04 00 00 00 c7 44 24 34 6c 00 00 00 48 89 4c 24 38 e8 e1 fa ff ff 85 c0 78 03 8b 04 24 48 83 c4 48 <c3> 48 83 ec 38 8b 07 48 8b 7f 08 48 89 54 24 24 ba 30 00 00 00
Isso parece que uma exceção foi lançada em algum lugar do meu sistema operacional, e percebo que é um stacktrace de algum tipo. O código parece um hexdump de alguma coisa. O que exatamente é isso e há algo que eu possa fazer com essa informação para saber exatamente o que deu errado / onde? Para que é usado?
EDITAR:
Eu só dei uma olhada em /var/log/messages e entendi:
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127227]
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127241] Pid: 4462, comm: vivado Tainted: G O 3.2.0-4-amd64 #1 Debian 3.2.51-1 innotek GmbH VirtualBox/VirtualBox
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127247] RIP: 0010:[<ffffffffa02a0876>] [<ffffffffa02a0876>] vboxCallCreate+0x7e/0x7f [vboxsf]
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127259] RSP: 0018:ffff88019ab47be0 EFLAGS: 00010292
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127263] RAX: 0000000000000000 RBX: ffff88019ab47c7c RCX: 00000000000018fb
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127267] RDX: 0000000000000041 RSI: ffff88007131f540 RDI: 0000000000000000
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127271] RBP: ffff88019a974000 R08: 00000000ffffffff R09: 00000000ffffffff
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127275] R10: ffffffff81600000 R11: ffffffff81600000 R12: ffff88019ab47e78
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127279] R13: ffff88012c06c500 R14: ffff88019b84a180 R15: ffff88012c06f300
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127283] FS: 00007f76b998d700(0000) GS:ffff8801a2c00000(0000) knlGS:0000000000000000
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127288] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127291] CR2: 0000000731c95000 CR3: 000000019860a000 CR4: 00000000000006f0
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127303] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127307] Process vivado (pid: 4462, threadinfo ffff88019ab46000, task ffff880198dd0930)
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127314] 33d59c00137905a4 33d59c00137905a5 33d59c00137905a5 001041ed137905a5
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127320] 000003e800000002 00000002000003e8 00e6017800000801 0000000000000000
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127325] 0000000000000000 0000000000000000 0000000000000000 0000000000000000
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127338] [<ffffffffa029f009>] ? sf_inode_revalidate+0x78/0xae [vboxsf]
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127346] [<ffffffff8110a5c7>] ? dput+0x27/0xee
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127352] [<ffffffff8110b5ac>] ? __d_lookup+0x3e/0xce
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127358] [<ffffffff8110252c>] ? path_to_nameidata+0x19/0x3a
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127364] [<ffffffffa029f055>] ? sf_dentry_revalidate+0x16/0x20 [vboxsf]
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127370] [<ffffffff81103223>] ? walk_component+0x28f/0x406
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127376] [<ffffffff81104fe2>] ? do_last+0x108/0x58d
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127381] [<ffffffff81105a5f>] ? path_openat+0xce/0x33a
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127386] [<ffffffff81105d8d>] ? do_filp_open+0x2a/0x6e
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127393] [<ffffffff8134deec>] ? _cond_resched+0x7/0x1c
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127400] [<ffffffff811b41f9>] ? __strncpy_from_user+0x18/0x48
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127407] [<ffffffff8110eb13>] ? alloc_fd+0x64/0x109
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127413] [<ffffffff810f9d59>] ? do_sys_open+0x5e/0xe5
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127419] [<ffffffff81354212>] ? system_call_fastpath+0x16/0x1b
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127455] RSP <ffff88019ab47be0>
Jun 19 09:43:28 Stacey-Windows kernel: [ 4375.127551] ---[ end trace 7aaadecc7e737e8f ]---
Então há um vivado lá - é um dos aplicativos que eu uso, e há um vbox lá. Estou executando o debian (e vivado) no virtualbox.
Isso é algo que eu deveria estar preocupado? Isso é algo que eu posso consertar?
Detalhes do Linux: Debian Wheezy 7.0 de 64 bits