E aí, pessoal! Desculpem a demora.
Obrigado pelas dicas, mas já havia tentado essa opção na hora do boot para o kernel padrão e continuava congelando.
Por enquanto estou usando do jeito que falei, através da opção modo seguro (Failsafe) e instalei o kernel-sources na esperança que aparece algum patch de correção.
Olhando no log de inicialização consegui encontrar as mensagens de erro:
<6>ata1: PATA max UDMA/133 cmd 0x000101f0 ctl 0x000103f6 bmdma 0x0001ffa0 irq 14
<6>ata2: PATA max UDMA/133 cmd 0x00010170 ctl 0x00010376 bmdma 0x0001ffa8 irq 15
<6>ata1.00: ATA-7: SAMSUNG SP0802N, TK200-04, max UDMA/100
<6>ata1.00: 156368016 sectors, multi 16: LBA48
<6>ata1.01: ATAPI: GCR-8525B, 1.02, max MWDMA2
<4>ata1.00: limited to UDMA/33 due to 40-wire cable
<6>ata1.00: configured for UDMA/33
<6>ata1.01: configured for PIO4
<5>scsi 0:0:0:0: Direct-Access ATA SAMSUNG SP0802N TK20 PQ: 0 ANSI: 5
<5>scsi 0:0:1:0: CD-ROM HL-DT-ST CD-ROM GCR-8525B 1.02 PQ: 0 ANSI: 5
<6>sata_sis 0000:00:05.0: version 0.8
<7>PCI: setting IRQ 10 as level-triggered
<6>PCI: Found IRQ 10 for device 0000:00:05.0
<6>sata_sis 0000:00:05.0: Detected SiS 180/181/964 chipset in SATA mode
<6>scsi2 : sata_sis
<6>scsi3 : sata_sis
<6>ata3: SATA max UDMA/133 cmd 0x0001eff0 ctl 0x0001efe6 bmdma 0x0001ef90 irq 10
<6>ata4: SATA max UDMA/133 cmd 0x0001efa8 ctl 0x0001efe2 bmdma 0x0001ef98 irq 10
<3>ata3: COMRESET failed (errno=960)
<4>ata3: reset failed (errno=960), retrying in 10 secs
<3>ata3: COMRESET failed (errno=960)
<4>ata3: reset failed (errno=960), retrying in 10 secs
<3>ata3: COMRESET failed (errno=960)
<4>ata3: reset failed (errno=960), retrying in 35 secs
<4>ata3: limiting SATA link speed to 1.5 Gbps
<3>ata3: COMRESET failed (errno=960)
<3>ata3: reset failed, giving up
<3>ata4: COMRESET failed (errno=976)
<4>ata4: reset failed (errno=976), retrying in 10 secs
<3>ata4: COMRESET failed (errno=976)
<4>ata4: reset failed (errno=976), retrying in 10 secs
<3>ata4: COMRESET failed (errno=976)
<4>ata4: reset failed (errno=976), retrying in 35 secs
<4>ata4: limiting SATA link speed to 1.5 Gbps
<3>ata4: COMRESET failed (errno=976)
<3>ata4: reset failed, giving up
<6>BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
<6>EDD information not available.
<6>Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
<6>ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
<5>sd 0:0:0:0: [sda] 156368016 512-byte hardware sectors (80060 MB)
E logo abaixo dessa tem outra interessante que talvez vcs possam identificar o problema:
Kernel log daemon terminating.
Boot logging started on /dev/tty1(/dev/console) at Wed Jan 16 11:39:06 2008
FATAL: Error inserting processor (/lib/modules/2.6.22.13-0.3-default/kernel/drivers/acpi/processor.ko): No such device
WARNING: Error inserting processor (/lib/modules/2.6.22.13-0.3-default/kernel/drivers/acpi/processor.ko): No such device
FATAL: Error inserting thermal (/lib/modules/2.6.22.13-0.3-default/kernel/drivers/acpi/thermal.ko): Unknown symbol in module, or unknown parameter (see dmesg)
FATAL: Error inserting fan (/lib/modules/2.6.22.13-0.3-default/kernel/drivers/acpi/fan.ko): No such device
Creating device nodes with udev
resume device not found (ignoring)
Waiting for device /dev/sda8 to appear: ok
fsck 1.40.2 (12-Jul-2007)
[/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a -C0 /dev/sda8
/dev/sda8: clean, 198467/2828896 files, 1371163/5646839 blocks
fsck succeeded. Mounting root device read-write.
Mounting root /dev/sda8
Boot logging started on /dev/tty1(/dev/console (deleted)) at Wed Jan 16 08:40:59 2008
done
Starting udevd udevd-event[1304]: node_symlink: device node '/dev/rtc0' already exists, link '/dev/rtc' will not overwrite it
done
Loading required kernel modules
doneActivating swap-devices in /etc/fstab...
donemount: according to mtab, /dev/sda8 is already mounted on /
Mas na minha pouca experiência, acho que é uma conseqüência do primeiro problema, o que acham?
Novamente, obrigado pela atenção.
PS.: O fórum implementa RSS? Tem como me escrever?
Gilberto
www.secad.to.gov.br