Some of this was previously discussed in the "External eSATA drive doesn't fdisk properly ? F8 eSATA hotplug ?" thread. Computer: HP hdx9494. T8100 processor, 4 GB RAM, running 32 bit Fedora 8. Drive: Azio SATA/USB enclosure, Hitachi 500GB 3.5" hard drive. The drive works excellent under USB access. $ uname -a Linux localhost.localdomain 2.6.26.5-28.fc8 #1 SMP Sat Sep 20 09:32:58 EDT 2008 i686 i686 i386 GNU/Linux If I shut the machine off, power up the external drive and then boot the computer, I get the following in /var/logs/messages: Oct 2 11:10:37 localhost kernel: sdb: sdb1 Oct 2 11:10:37 localhost kernel: sd 2:0:0:0: [sdb] Attached SCSI disk Oct 2 11:10:37 localhost kernel: ACPI: PCI Interrupt 0000:20:00.0[A] -> GSI 19 (level, low) -> IRQ 19 Oct 2 11:10:37 localhost kernel: scsi3 : sata_sil24 Oct 2 11:10:37 localhost kernel: ata4: SATA max UDMA/100 host m128@0xe0100000 port 0xe0102000 irq 19 Oct 2 11:10:37 localhost kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 0) Oct 2 11:10:37 localhost kernel: ata4.00: ATA-8: Hitachi HDP725050GLA360, GM4OA52A, max UDMA/133 Oct 2 11:10:37 localhost kernel: ata4.00: 976773168 sectors, multi 0: LBA48 NCQ (depth 31/32) Oct 2 11:10:37 localhost kernel: ata4.00: configured for UDMA/100 Oct 2 11:10:37 localhost kernel: scsi 3:0:0:0: Direct-Access ATA Hitachi HDP72505 GM4O PQ: 0 ANSI: 5 Oct 2 11:10:37 localhost kernel: sd 3:0:0:0: [sdc] 976773168 512-byte hardware sectors (500108 MB) Oct 2 11:10:37 localhost kernel: sd 3:0:0:0: [sdc] Write Protect is off Oct 2 11:10:37 localhost kernel: sd 3:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Oct 2 11:10:37 localhost kernel: sd 3:0:0:0: [sdc] 976773168 512-byte hardware sectors (500108 MB) Oct 2 11:10:37 localhost kernel: sd 3:0:0:0: [sdc] Write Protect is off Oct 2 11:10:37 localhost kernel: sd 3:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Oct 2 11:10:37 localhost kernel: sdc: sdc1 Oct 2 11:10:37 localhost kernel: sd 3:0:0:0: [sdc] Attached SCSI disk Oct 2 11:10:37 localhost kernel: ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 16 (level, low) -> IRQ 16 Oct 2 11:10:37 localhost kernel: scsi4 : ata_piix Oct 2 11:10:37 localhost kernel: scsi5 : ata_piix Oct 2 11:10:37 localhost kernel: ata5: PATA max UDMA/100 cmd 0x1f0 ctl 0x3f6 bmdma 0x70a0 irq 14 Oct 2 11:10:37 localhost kernel: ata6: PATA max UDMA/100 cmd 0x170 ctl 0x376 bmdma 0x70a8 irq 15 Oct 2 11:10:37 localhost kernel: ata5.00: ATAPI: Optiarc BD ROM BC-5500A, 1.86, max MWDMA2 If I run hwbrowser and look at it, it shows the drive under sdc with the correct geometry and such, but without a partition, ie no sdc1 or file sizes. So it appears to be recognized by the computer on some level. However, if I mount it with "mount /dev/sdc1 temp" or "mount -text3 /dev/sdc1 temp", the console will hang for a minute or so before returning without any errors. However, the drive is unusable (ls returns an empty directory) and /var/logs/messages shows the following: Oct 2 11:16:49 localhost kernel: ata4.00: qc timeout (cmd 0xec) Oct 2 11:16:49 localhost kernel: ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) Oct 2 11:16:49 localhost kernel: ata4.00: revalidation failed (errno=-5) Oct 2 11:16:49 localhost kernel: ata4: failed to recover some devices, retrying in 5 secs Oct 2 11:16:54 localhost kernel: ata4: hard resetting link Oct 2 11:16:56 localhost kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 0) Oct 2 11:17:26 localhost kernel: ata4.00: qc timeout (cmd 0xec) Oct 2 11:17:26 localhost kernel: ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) Oct 2 11:17:26 localhost kernel: ata4.00: revalidation failed (errno=-5) Oct 2 11:17:26 localhost kernel: ata4: failed to recover some devices, retrying in 5 secs Oct 2 11:17:31 localhost kernel: ata4: hard resetting link Oct 2 11:17:33 localhost kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 0) Oct 2 11:18:03 localhost kernel: ata4.00: qc timeout (cmd 0xec) Oct 2 11:18:03 localhost kernel: ata4.00: failed to IDENTIFY (I/O error, err_mask=0x4) Oct 2 11:18:03 localhost kernel: ata4.00: revalidation failed (errno=-5) Oct 2 11:18:03 localhost kernel: ata4.00: disabled Oct 2 11:18:04 localhost kernel: ata4: hard resetting link Oct 2 11:18:06 localhost kernel: ata4: SATA link up 1.5 Gbps (SStatus 113 SControl 0) Oct 2 11:18:06 localhost kernel: ata4: EH complete Oct 2 11:18:06 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:18:06 localhost kernel: end_request: I/O error, dev sdc, sector 976767935 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 488383936 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 488383937 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 488383938 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 488383939 Oct 2 11:18:06 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:18:06 localhost kernel: end_request: I/O error, dev sdc, sector 976767935 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 488383936 Oct 2 11:18:06 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:18:06 localhost kernel: end_request: I/O error, dev sdc, sector 976767937 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 488383937 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 488383938 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 488383939 Oct 2 11:18:06 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:18:06 localhost kernel: end_request: I/O error, dev sdc, sector 63 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 0 Oct 2 11:18:06 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:18:06 localhost kernel: end_request: I/O error, dev sdc, sector 65 Oct 2 11:18:06 localhost kernel: Buffer I/O error on device sdc1, logical block 1 Oct 2 11:18:06 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:18:06 localhost kernel: end_request: I/O error, dev sdc, sector 63 Oct 2 11:18:06 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:18:06 localhost kernel: end_request: I/O error, dev sdc, sector 65 Oct 2 11:18:06 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:18:06 localhost kernel: end_request: I/O error, dev sdc, sector 65 Oct 2 11:18:06 localhost kernel: hfs: unable to find HFS+ superblock Oct 2 11:23:03 localhost kernel: sd 3:0:0:0: [sdc] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK Oct 2 11:23:03 localhost kernel: end_request: I/O error, dev sdc, sector 65 Oct 2 11:23:03 localhost kernel: EXT3-fs: unable to read superblock One thing that sticks out for me in all this is the SATA data rate. Both the computer and the drive are supposed to be 3.0Gb/s devices. Yet the driver wants to connect at 1.5 Gbps. The Serial ATA Controller is listed as ahci in hwbrowser. # /sbin/lsmod | grep sat sata_sil24 16069 0 libata 131937 3 ata_piix,sata_sil24,ahci How should I proceed to get my external drive working ? Thanks -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
