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Re: Erro no sistema ao fazer backup em fita DDS



Cara ...

Veja só, o kernel de qualquer distribuição com cheio de coisas exatamente pra poder abranger diversos tipo de hardware. Depois de uma instalação o indicado é vc pegar o kernel mais atual em kernel.org, descompactar os fontes e recompilar com apenas o que vc precisa exatamente pra sua maquina. Isso alem de ser mais seguro, garante um melhor desempenho e correção depossiveis falhas no seu kernel default

busque documentação sobre kernel rebuild em www.tldp.org.

Infelizmente esse link que continha a documentacao mais simples pra vc aprender rapido como compilar o kernel esta fora do ar ( http://www.digitalhermit.com/~kwan/kernel.html), mas busque no google qe vc acha bastante coisa tambem oks

[]s !!


2005/10/27, Roald <listalinux@cca.eng.br>:
Não recompilei o kernel ele foi instalado de acordo com a instalação padrão do Debian, agora pergunto, tem como compilar o kernel 2.4 e colocar no sistema, daria algum problema??
----- Original Message -----
From: Erick Tostes
To: debian-user-portuguese@lists.debian.org
Cc: debian-user-portuguese@lists.debian.org
Sent: Thursday, October 27, 2005 2:34 PM
Subject: Re: Erro no sistema ao fazer backup em fita DDS

Pelo visto tem coisa errada nesse kernel ai ... se recompilo ele e deixou limpo (apenas com o que sua maquina precisa ?? )

indico que de uma limpada na unidade dds com a fita de limpeza, mas isso tá com cara de ser kernel ...

2005/10/27, Roald <listalinux@cca.eng.br>:
Boa tarde pessoal,

Hoje me deparei com um problema, qdo fui efetuar backup aconteceram duas
coisas, primeiro ocorrreu um erro no backup e depois a comunicacao com a
rede parou, uso Debian Sarge com Kernel 2.6 em Pentium 4 3.0 com 1 gb ram e
placa Asus P4P800-E Deluxe. Pude verificar tambem um processo chamado
pdflush consumindo 99,5% de CPU.  Para fazer o backup uso o seguinte
comando.

#!/bin/bash
      2
      3 tar -cv -T /disk2/backup/backup_dirs -f /dev/st0
      4
      5 eject -q /dev/st0

Os erros são estes abaixo, se alguem puder me ajudar agradeço.

top - 14:07:45 up  5:25,  3 users,  load average: 1.00, 1.00, 1.00
Tasks:  71 total,   3 running,  68 sleeping,   0 stopped,   0 zombie
Cpu(s):  0.3% us, 99.7% sy,  0.0% ni,  0.0% id,  0.0% wa,  0.0% hi,  0.0% si
Mem:    906736k total,   902944k used,     3792k free,    21572k buffers
Swap:  2931852k total,        0k used,  2931852k free,   809360k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
   38 root      25   0     0    0    0 R 99.5  0.0 172:47.76 pdflush
2823 andre     15   0  9340 4324 7712 S  0.3  0.5   0:07.00 smbd
    1 root      16   0  1504  512 1352 S  0.0  0.1   0:00.47 init
    2 root      34  19     0    0    0 S  0.0  0.0   0:00.01 ksoftirqd/0
    3 root       5 -10     0    0    0 S   0.0  0.0   0:03.81 events/0
    4 root      13 -10     0    0    0 S  0.0  0.0   0:00.00 khelper
    5 root      15 -10     0    0    0 S  0.0  0.0   0:00.00 kacpid
   27 root       5 -10     0    0    0 S  0.0   0.0   0:00.84 kblockd/0
   37 root      15   0     0    0    0 S  0.0  0.0   0:00.00 pdflush
   40 root       5 -10     0    0    0 S  0.0  0.0   0:00.00 aio/0
  182 root      25   0     0    0    0 S  0.0  0.0   0: 00.00 kseriod

   1434 Oct 27 13:27:46 master kernel: c012d4e8
   1435 Oct 27 13:27:46 master kernel: PREEMPT
   1436 Oct 27 13:27:46 master kernel: Modules linked in: parport_pc lp
parport ipv6 snd_intel8x0 snd_ac97_codec snd_pcm snd_t        imer
snd_page_alloc gameport snd_mpu401_uart snd_rawmidi snd_seq_device snd
hw_random shpchp pciehp pci_hotplug intel_        agp intel_mch_agp agpgart
i810_audio ac97_codec soundcore st fdomain tsdev mousedev evdev capability
commoncap psmouse         genrtc ext3 jbd eth1394 3c59x ds yenta_socket
pcmcia_core sr_mod sbp2 sd_mod ide_cd cdrom ide_disk ide_generic pdc202
xx_new aec62xx alim15x3 amd74xx atiixp cmd64x cs5520 cs5530 cy82c693 generic
hpt34x ns87415 opti621 pdc202xx_old rz100        0 sc1200 serverworks
siimage sis5513 slc90e66 triflex trm290 via82cxxx floppy usb_storage piix
ide_core ohci1394 ieee1        394 fbcon vga16fb vgastate usbserial usbhid
usbkbd ehci_hcd uhci_hcd usbcore thermal processor fan sata_promise ata_pi
ix libata scsi_mod unix font vesafb cfbcopyarea cfbimgblt cfbfillrect
   1437 Oct 27 13:27:46 master kernel: CPU:    0
   1438 Oct 27 13:27:46 master kernel: EIP:    0060:[find_get_page+38/62]
Not tainted
   1439 Oct 27 13:27:46 master kernel: EFLAGS: 00010002   (2.6.8-2-386)
   1440 Oct 27 13:27:46 master kernel: EIP is at find_get_page+0x26/0x3e
   1441 Oct 27 13:27:46 master kernel: eax: c405a630   ebx: 00000040   ecx:
fffffffa   edx: 0000139d
   1442 Oct 27 13:27:46 master kernel: esi: cdc80000   edi: 00000e00   ebp:
00000e00   esp: cdc81e2c
   1443 Oct 27 13:27:46 master kernel: ds: 007b   es: 007b   ss: 0068
   1444 Oct 27 13:27:46 master kernel: Process tar (pid: 2852,
threadinfo=cdc80000 task=f5dc8230)
   1445 Oct 27 13:27:46 master kernel: Stack: 00000000 c15023e0 c012d8d9
c405a62c 0000139d 00000000 024e0879 00000000
   1446 Oct 27 13:27:46 master kernel:        000024e0 0000139d c405a594
0000139a 00000020 00000020 0000139d 000013ba
   1447 Oct 27 13:27:46 master kernel:        00000020 00000041 00000010
00000020 00000000 00000000 00000000 00002800
   1448 Oct 27 13:27:46 master kernel: Call Trace:
   1449 Oct 27 13:27:46 master kernel:  [do_generic_mapping_read+185/907]
do_generic_mapping_read+0xb9/0x38b
   1450 Oct 27 13:27:46 master kernel:  [__generic_file_aio_read+428/460]
__generic_file_aio_read+0x1ac/0x1cc
   1451 Oct 27 13:27:46 master kernel:  [file_read_actor+0/258]
file_read_actor+0x0/0x102
   1452 Oct 27 13:27:46 master kernel:  [generic_file_aio_read+70/76]
generic_file_aio_read+0x46/0x4c
   1453 Oct 27 13:27:46 master kernel:  [do_sync_read+116/158]
do_sync_read+0x74/0x9e
   1454 Oct 27 13:27:46 master kernel:  [vfs_read+175/217]
vfs_read+0xaf/0xd9
   1455 Oct 27 13:27:46 master kernel:  [sys_read+59/99] sys_read+0x3b/0x63
   1456 Oct 27 13:27:46 master kernel:  [syscall_call+7/11]
syscall_call+0x7/0xb
   1457 Oct 27 13:27:46 master kernel: Code: ff 43 04 fb 8b 46 08 ff 4e 14
a8 08 74 05 e8 4f 04 12 00 89
   1458 Oct 27 13:27:46 master kernel:  <6>note: tar[2852] exited with
preempt_count 1
   1459 Oct 27 13:27:46 master kernel:  [schedule+60/998]
schedule+0x3c/0x3e6
1460 Oct 27 13:27:46 master kernel:  [unmap_vmas+224/463]
unmap_vmas+0xe0/0x1cf
   1461 Oct 27 13:27:46 master kernel:  [unmap_vmas+354/463]
unmap_vmas+0x162/0x1cf
   1462 Oct 27 13:27:46 master kernel:  [exit_mmap+106/298]
exit_mmap+0x6a/0x12a
   1463 Oct 27 13:27:46 master kernel:  [mmput+94/115] mmput+0x5e/0x73
   1464 Oct 27 13:27:46 master kernel:  [do_exit+354/847]
do_exit+0x162/0x34f
   1465 Oct 27 13:27:46 master kernel:  [do_page_fault+0/1183]
do_page_fault+0x0/0x49f
   Oct 27 13:27:46 master kernel:
[__crc___netdev_watchdog_up+1680732/2723498] ext3_get_block+0x0/0x6d [ext3]
   1469 Oct 27 13:27:46 master kernel:  [buffered_rmqueue+357/368]
buffered_rmqueue+0x165/0x170
   1470 Oct 27 13:27:46 master kernel:  [__alloc_pages+139/683]
__alloc_pages+0x8b/0x2ab
   1471 Oct 27 13:27:46 master kernel:  [__alloc_pages+671/683]
__alloc_pages+0x29f/0x2ab
   1472 Oct 27 13:27:46 master kernel:  [do_page_cache_readahead+319/352]
do_page_cache_readahead+0x13f/0x160
   1473 Oct 27 13:27:46 master kernel:  [do_page_fault+0/1183]
do_page_fault+0x0/0x49f
   1474 Oct 27 13:27:46 master kernel:  [error_code+45/56]
error_code+0x2d/0x38
   1475 Oct 27 13:27:46 master kernel:  [find_get_page+38/62]
find_get_page+0x26/0x3e
   1476 Oct 27 13:27:46 master kernel:  [do_generic_mapping_read+185/907]
do_generic_mapping_read+0xb9/0x38b
   1477 Oct 27 13:27:46 master kernel:  [__generic_file_aio_read+428/460]
__generic_file_aio_read+0x1ac/0x1cc
   1478 Oct 27 13:27:46 master kernel:  [file_read_actor+0/258]
file_read_actor+0x0/0x102
   1479 Oct 27 13:27:46 master kernel:  [generic_file_aio_read+70/76]
generic_file_aio_read+0x46/0x4c
   1480 Oct 27 13:27:46 master kernel:  [do_sync_read+116/158]
do_sync_read+0x74/0x9e
   1481 Oct 27 13:27:46 master kernel:  [vfs_read+175/217]
vfs_read+0xaf/0xd9
   1482 Oct 27 13:27:46 master kernel:  [sys_read+59/99] sys_read+0x3b/0x63
   1483 Oct 27 13:27:46 master kernel:  [syscall_call+7/11]
syscall_call+0x7/0xb
   1484 Oct 27 13:27:46 master kernel:  [schedule+60/998]
schedule+0x3c/0x3e6
   1485 Oct 27 13:27:46 master kernel:  [elv_next_request+195/212]
elv_next_request+0xc3/0xd4
   1486 Oct 27 13:27:46 master kernel:
[__crc_qdisc_create_dflt+1751292/2463118] scsi_request_fn+0x350/0x35b
[scsi_mod]
   1487 Oct 27 13:27:46 master kernel:  [wait_for_completion+128/195]
wait_for_completion+0x80/0xc3
   1488 Oct 27 13:27:46 master kernel:  [default_wake_function+0/18]
default_wake_function+0x0/0x12
   1489 Oct 27 13:27:46 master kernel:
[__crc_qdisc_create_dflt+1746906/2463118] scsi_insert_special_req+0x23/0x29
[scsi_mod]
   1490 Oct 27 13:27:46 master kernel:  [default_wake_function+0/18]
default_wake_function+0x0/0x12
   1491 Oct 27 13:27:46 master kernel:
[__crc___netdev_watchdog_up+1430786/2723498] st_do_scsi+0xfe/0x136 [st]
   1492 Oct 27 13:27:46 master kernel:
[__crc___netdev_watchdog_up+1430807/2723498] st_do_scsi+0x113/0x136 [st]
   1493 Oct 27 13:27:46 master kernel:
[__crc___netdev_watchdog_up+1434154/2723498] st_flush+0xd3/0x22b [st]
   1494 Oct 27 13:27:46 master kernel:  [filp_close+62/99]
filp_close+0x3e/0x63
   1495 Oct 27 13:27:46 master kernel:  [put_files_struct+84/171]
put_files_struct+0x54/0xab
   1496 Oct 27 13:27:46 master kernel:  [do_exit+414/847]
do_exit+0x19e/0x34f
   1497 Oct 27 13:27:46 master kernel:  [do_page_fault+0/1183]
do_page_fault+0x0/0x49f
   1498 Oct 27 13:27:46 master kernel:  [do_divide_error+0/167]
do_divide_error+0x0/0xa7
   1499 Oct 27 13:27:46 master kernel:  [do_page_fault+868/1183]
do_page_fault+0x364/0x49f
   1500 Oct 27 13:27:46 master kernel:
[__crc___netdev_watchdog_up+1680732/2723498] ext3_get_block+0x0/0x6d [ext3]
   1501 Oct 27 13:27:46 master kernel:  [buffered_rmqueue+357/368]
buffered_rmqueue+0x165/0x170
   1502 Oct 27 13:27:46 master kernel:  [__alloc_pages+139/683]
__alloc_pages+0x8b/0x2ab
   1503 Oct 27 13:27:46 master kernel:  [__alloc_pages+671/683]
__alloc_pages+0x29f/0x2ab
   1504 Oct 27 13:27:46 master kernel:  [do_page_cache_readahead+319/352]
do_page_cache_readahead+0x13f/0x160
   1505 Oct 27 13:27:46 master kernel:  [do_page_fault+0/1183]
do_page_fault+0x0/0x49f
   1506 Oct 27 13:27:46 master kernel:  [error_code+45/56]
error_code+0x2d/0x38
   1507 Oct 27 13:27:46 master kernel:  [find_get_page+38/62]
find_get_page+0x26/0x3e
   1508 Oct 27 13:27:46 master kernel:  [do_generic_mapping_read+185/907]
do_generic_mapping_read+0xb9/0x38b
   1509 Oct 27 13:27:46 master kernel:  [__generic_file_aio_read+428/460]
__generic_file_aio_read+0x1ac/0x1cc
Oct 27 13:27:46 master kernel:  [file_read_actor+0/258]
file_read_actor+0x0/0x102
   1511 Oct 27 13:27:46 master kernel:  [generic_file_aio_read+70/76]
generic_file_aio_read+0x46/0x4c
   1512 Oct 27 13:27:46 master kernel:  [do_sync_read+116/158]
do_sync_read+0x74/0x9e
   1513 Oct 27 13:27:46 master kernel:  [vfs_read+175/217]
vfs_read+0xaf/0xd9
   1514 Oct 27 13:27:46 master kernel:  [sys_read+59/99] sys_read+0x3b/0x63
   1515 Oct 27 13:27:46 master kernel:  [syscall_call+7/11]
syscall_call+0x7/0xb
   1516 Oct 27 13:27:48 master kernel:  [schedule+60/998]
schedule+0x3c/0x3e6
   1517 Oct 27 13:27:48 master kernel:  [elv_next_request+195/212]
elv_next_request+0xc3/0xd4
   1518 Oct 27 13:27:48 master kernel:
[__crc_qdisc_create_dflt+1751292/2463118] scsi_request_fn+0x350/0x35b
[scsi_mod]
   1519 Oct 27 13:27:48 master kernel:  [wait_for_completion+128/195]
wait_for_completion+0x80/0xc3
   1520 Oct 27 13:27:48 master kernel:  [default_wake_function+0/18]
default_wake_function+0x0/0x12
   1521 Oct 27 13:27:48 master kernel:
[__crc_qdisc_create_dflt+1746906/2463118] scsi_insert_special_req+0x23/0x29
[scsi_mod]
   1522 Oct 27 13:27:48 master kernel:  [default_wake_function+0/18]
default_wake_function+0x0/0x12
   1523 Oct 27 13:27:48 master kernel:
[__crc___netdev_watchdog_up+1430786/2723498] st_do_scsi+0xfe/0x136 [st]
   1524 Oct 27 13:27:48 master kernel:
[__crc___netdev_watchdog_up+1430807/2723498] st_do_scsi+0x113/0x136 [st]
   1525 Oct 27 13:27:48 master kernel:  [default_wake_function+0/18]
default_wake_function+0x0/0x12
   1526 Oct 27 13:27:49 master kernel:
[__crc___netdev_watchdog_up+1441624/2723498] st_int_ioctl+0x634/0x97f [st]
   1527 Oct 27 13:27:49 master kernel:
[__crc___netdev_watchdog_up+1434477/2723498] st_flush+0x216/0x22b [st]
   1528 Oct 27 13:27:49 master kernel:  [filp_close+62/99]
filp_close+0x3e/0x63
   1529 Oct 27 13:27:49 master kernel:  [put_files_struct+84/171]
put_files_struct+0x54/0xab
   1530 Oct 27 13:27:49 master kernel:  [do_exit+414/847]
do_exit+0x19e/0x34f
   1531 Oct 27 13:27:49 master kernel:  [do_page_fault+0/1183]
do_page_fault+0x0/0x49f
   1532 Oct 27 13:27:49 master kernel:  [do_divide_error+0/167]
do_divide_error+0x0/0xa7
   1533 Oct 27 13:27:49 master kernel:  [do_page_fault+868/1183]
do_page_fault+0x364/0x49f
   1534 Oct 27 13:27:49 master kernel:
[__crc___netdev_watchdog_up+1680732/2723498] ext3_get_block+0x0/0x6d [ext3]
   1535 Oct 27 13:27:49 master kernel:  [buffered_rmqueue+357/368]
buffered_rmqueue+0x165/0x170
   1536 Oct 27 13:27:49 master kernel:  [__alloc_pages+139/683]
__alloc_pages+0x8b/0x2ab
   1537 Oct 27 13:27:49 master kernel:  [__alloc_pages+671/683]
__alloc_pages+0x29f/0x2ab
   1538 Oct 27 13:27:49 master kernel:  [do_page_cache_readahead+319/352]
do_page_cache_readahead+0x13f/0x160
   1539 Oct 27 13:27:49 master kernel:  [do_page_fault+0/1183]
do_page_fault+0x0/0x49f
   1540 Oct 27 13:27:49 master kernel:  [error_code+45/56]
error_code+0x2d/0x38
   1541 Oct 27 13:27:49 master kernel:  [find_get_page+38/62]
find_get_page+0x26/0x3e
   1542 Oct 27 13:27:49 master kernel:  [do_generic_mapping_read+185/907]
do_generic_mapping_read+0xb9/0x38b
   1543 Oct 27 13:27:49 master kernel:  [__generic_file_aio_read+428/460]
__generic_file_aio_read+0x1ac/0x1cc
   1544 Oct 27 13:27:49 master kernel:  [file_read_actor+0/258]
file_read_actor+0x0/0x102
   1545 Oct 27 13:27:49 master kernel:  [generic_file_aio_read+70/76]
generic_file_aio_read+0x46/0x4c
   1546 Oct 27 13:27:49 master kernel:  [do_sync_read+116/158]
do_sync_read+0x74/0x9e
   1547 Oct 27 13:27:49 master kernel:  [vfs_read+175/217]
vfs_read+0xaf/0xd9
   1548 Oct 27 13:27:49 master kernel:  [sys_read+59/99] sys_read+0x3b/0x63
   1549 Oct 27 13:27:49 master kernel:  [syscall_call+7/11]
syscall_call+0x7/0xb



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--
Erick Tostes
Analista de Suporte
Long live to Debian



--
Erick Tostes
Net/Sys Admin
Sid na veia !!
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