问题：Red Hat Linux ping得通，但telnet登陆不上

zhangyangyin

Red Hat Linux  ping得通，但telnet登陆不上 查看日志message日志如下：
May 24 22:00:54 localhost kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000004
May 24 22:00:54 localhost kernel:  printing eip:
May 24 22:00:54 localhost kernel: f884b5bb
May 24 22:00:54 localhost kernel: *pde = 00000000
May 24 22:00:54 localhost kernel: Oops: 0002
May 24 22:00:54 localhost kernel: CPU:    1
May 24 22:00:54 localhost kernel: EIP:    0010:[eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1309253/96]
May 24 22:00:54 localhost kernel: EIP:    0010:[<f884b5bb>]
May 24 22:00:54 localhost kernel: EFLAGS: 00010207
May 24 22:00:54 localhost kernel: eax: f55a20e0   ebx: 00000000   ecx: c00103e0   edx: c0010560
May 24 22:00:54 localhost kernel: esi: 00000000   edi: f55a2000   ebp: d5eac7a0   esp: dcb5be9c
May 24 22:00:54 localhost kernel: ds: 0018   es: 0018   ss: 0018
May 24 22:00:54 localhost kernel: Process rm (pid: 14607, stackpage=dcb5b000)
May 24 22:00:54 localhost kernel: Stack: 00000000 f55a20e0 d5eac7a0 dcb5a000 d5eac7b4 f6ed5200 f883738f f6ed5200
May 24 22:00:54 localhost kernel:        d5eac7a0 00000000 ffffffe2 c00103e0 c00103e0 e0c9a4e0 f8846348 00000000
May 24 22:00:54 localhost kernel:        00000056 d76f0440 dcb5a000 d5eac7a0 c00103e0 e0c9a4e0 f884650c d5eac7a0
May 24 22:00:54 localhost kernel: Call Trace: [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1391729/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1330360/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1329908/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1277152/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1277152/96]
May 24 22:00:54 localhost kernel: Call Trace: [<f883738f>] [<f8846348>] [<f884650c>] [<f8853320>] [<f8853320>]
May 24 22:00:54 localhost kernel:    [iput_free+306/512] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1307755/96] [d_delete+102/176] [vfs_unlink+472/528] [lookup_hash+74/224] [sys_unlink+154/272]
May 24 22:00:54 localhost kernel:    [<c01536d2>] [<f884bb95>] [<c0151566>] [<c014a198>] [<c0148c8a>] [<c014a26a>]
May 24 22:00:54 localhost kernel:    [system_call+51/56]
May 24 22:00:54 localhost kernel:    [<c010716b>]
May 24 22:00:54 localhost kernel:
May 24 22:00:54 localhost kernel: Code: 89 73 04 89 1e 89 91 80 01 00 00 89 91 84 01 00 00 8d 44 24
May 24 22:00:54 localhost kernel:  <0>Assertion failure in journal_start_Rsmp_aa6cf61b() at transaction.c:227: "handle->h_transaction->t_journal == journal"
May 24 22:00:54 localhost kernel: kernel BUG at transaction.c:227!
May 24 22:00:54 localhost kernel: invalid operand: 0000
May 24 22:00:54 localhost kernel: CPU:    1
May 24 22:00:54 localhost kernel: EIP:    0010:[eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1391814/96]
May 24 22:00:54 localhost kernel: EIP:    0010:[<f883733a>]
May 24 22:00:54 localhost kernel: EFLAGS: 00010286
May 24 22:00:54 localhost kernel: eax: 00000021   ebx: d5eac7a0   ecx: c026059c   edx: 00004fe9
May 24 22:00:54 localhost kernel: esi: dcb5a000   edi: d1d92b00   ebp: c3358800   esp: dcb5bc0c
May 24 22:00:54 localhost kernel: ds: 0018   es: 0018   ss: 0018
May 24 22:00:54 localhost kernel: Process rm (pid: 14607, stackpage=dcb5b000)
May 24 22:00:54 localhost kernel: Stack: f8840e10 000000e3 d5eac7a0 d5eac7a0 ffffffe2 d1d92b00 dcb5bd00 f8849bae
May 24 22:00:54 localhost kernel:        c3358800 00000001 00000002 dcb5bc78 30005857 00000000 d1d92b00 00000001
May 24 22:00:54 localhost kernel:        f7fe5000 c0151d9a d1d92b00 dcb5a000 fffff000 00000000 c012f677 d1d92b00
May 24 22:00:54 localhost kernel: Call Trace: [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1352176/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1315922/96] [__mark_inode_dirty+42/160] [generic_file_write+631/1616] [scrup+105/288]
May 24 22:00:54 localhost kernel: Call Trace: [<f8840e10>] [<f8849bae>] [<c0151d9a>] [<c012f677>] [<c017c9c9>]
May 24 22:00:54 localhost kernel:    [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1336174/96] [do_acct_process+521/544] [acct_process+104/176] [do_exit+107/624] [call_spurious_interrupt+123741/150727] [bust_spinlocks+72/96]
May 24 22:00:54 localhost kernel:    [<f8844c92>] [<c0121809>] [<c0121888>] [<c011dc3b>] [<c0247896>] [<c0116ff8>]
May 24 22:00:54 localhost kernel:    [call_spurious_interrupt+138077/150727] [die+84/112] [call_spurious_interrupt+140092/150727] [call_spurious_interrupt+116319/150727] [call_spurious_interrupt+123741/150727] [do_page_fault+936/1200]
May 24 22:00:54 localhost kernel:    [<c024b096>] [<c01076c4>] [<c024b875>] [<c0245b98>] [<c0247896>] [<c0117488>]
May 24 22:00:54 localhost kernel:    [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1317033/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1316898/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1388753/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1316230/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1320223/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1316347/96]
May 24 22:00:54 localhost kernel:    [<f8849757>] [<f88497de>] [<f8837f2f>] [<f8849a7a>] [<f8848ae1>] [<f8849a05>]
May 24 22:00:54 localhost kernel:    [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1316330/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1388862/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1316025/96] [do_page_fault+0/1200] [error_code+56/64] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1309253/96]
May 24 22:00:54 localhost kernel:    [<f8849a16>] [<f8837ec2>] [<f8849b47>] [<c01170e0>] [<c0107268>] [<f884b5bb>]
May 24 22:00:54 localhost kernel:    [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1391729/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1330360/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1329908/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1277152/96] [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1277152/96] [iput_free+306/512]
May 24 22:00:54 localhost kernel:    [<f883738f>] [<f8846348>] [<f884650c>] [<f8853320>] [<f8853320>] [<c01536d2>]
May 24 22:00:54 localhost kernel:    [eepro100:__insmod_eepro100_O/lib/modules/2.4.7-10smp/kernel/drivers/+-1307755/96] [d_delete+102/176] [vfs_unlink+472/528] [lookup_hash+74/224] [sys_unlink+154/272] [system_call+51/56]
May 24 22:00:54 localhost kernel:    [<f884bb95>] [<c0151566>] [<c014a198>] [<c0148c8a>] [<c014a26a>] [<c010716b>]
May 24 22:00:54 localhost kernel:
May 24 22:00:54 localhost kernel: Code: 0f 0b 5e 5f ff 43 08 eb 6d 8b 0d d0 35 26 c0 51 6a 70 6a 14

所访问的内存页面不存在，就可能出现这个问题（Unable to handle kernel NULL pointer dereference at virtual address 00000004），除了程序内存泄露引起，是否还有其他原因呢，高手指点，万分感谢！

rwen2012

telnet服务器有没有开啊，朋友。

richardhesidu

你贴的日志很可能跟你的问题无关。如果可以ping通，但是登陆不上，那就先查看一下防火墙有没有开端口。

jako

看看SSH开没开，灾看看防火墙

weimeng4359

防火墙问题