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Old 03-10-2006, 05:22 AM   #1
pathall
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Registered: Mar 2006
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FC5t3 error: mount: could not find filesystem '/dev/root'


I've run linux on laptops for years, but with very superficial knowledge:
I never had to learn how to fix problems, cause I never had problems...
...until my latest laptop. I installed FC2 and it worked fine. I managed
to get FC4 to install after much work, but it wouldn't boot, so I tried
upgrading to FC5test3. Successful install, but it still won't boot.

The error(s) are "Unable to access resume device" on my swap partition
and "mount: could not find filesystem '/dev/root'" even if I eliminate
the swap partition from /etc/fstab.


Here's the exact error I get when I try to boot.
Tabbed entries only show up when I boot without the quiet flag.
(this was copied from the screen... is it written to a file somewhere?)

scsi0 : ata_piix
Vendor: ATA Model: FUJITSU MHV2100A Rev: 0000
Type: Direct-Access ANSI SCSI revision: 05
hdc: packet command error: status=0x51 { DriveReady SeekComplete Error }
hdc: packet command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
ide: failed opcode was: unknown
Unable to access resume device (/dev/hda3)
Creating root device.
hdc: packet command error: status=0x51 { DriveReady SeekComplete Error }
hdc: packet command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
ide: failed opcode was: unknown
Mounting root filesystem.
hdc: packet command error: status=0x51 { DriveReady SeekComplete Error }
hdc: packet command error: error=0x54 { AbortedCommand LastFailedSense=0x05 }
ide: failed opcode was: unknown
mount: could not find filesystem '/dev/root'
Setting up other filesystems.
Setting up new root fs
setuproot: moving /dev failed: No such file or directory
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
Switching to new root and running init
unmounting old /dev
unmounting old /proc
unmounting old /sys
switchroot: mount failed: No such file or directory
Kernel panic - not syncing: Attempted to kill init!
[<c011a0c6>] panic+0x3e/0x170 [<c011cc17>] do_exit+0x71/0x6cf
[<c011d2f9>] sys_exit_group+0x0/0xd [<c0102bc1>] syscall_call+0x7/0xb


Here's what things look like from rescue mode:

fdisk -l:
Disk /dev/sda: 100.0 GB, 100030242816 bytes
16 heads, 63 sectors/track, 193821 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 203 102280+ 83 Linux
/dev/sda2 204 189758 95535720 83 Linux
/dev/sda3 189759 193821 2047752 82 Linux swap / Solaris

more /etc/fstab:
LABEL=/ / ext3 defaults 1 1
LABEL=/boot /boot ext3 defaults 1 2
none /dev/pts devpts gid=5,mode=620 0 0
none /dev/shm tmpfs defaults 0 0
none /proc proc defaults 0 0
none /sys sysfs defaults 0 0
/dev/sda3 swap swap defaults 0 0
/dev/cdrom /mnt/cdrom udf,iso9660 noauto,owner,kudzu,ro 0 0

e2label /dev/sda1: /boot
e2label /dev/sda2: /
e2label /dev/sda3: Bad magic number in super-block while trying to open /dev/sda3
Couldn't find valid filesystem superblock.


So it seems like /root trying to be mounted on /dev ... maybe
because fdisk understands my swap setup but e2label doesn't?
I'd appreciate any tips on how to get things to work.
(dmesg output can be supplied, but I didn't see anything helpful in it.)


Oh, and there may also be some odd duplications in df and /etc/mtab:

df:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev 1029980 0 1029980 0% /dev
/tmp/loop0 70272 70272 0 100% /mnt/runtime
/dev/sda2 94036504 33132464 56127256 38% /mnt/sysimage
/dev/sda1 99043 7652 86277 9% /mnt/sysimage/boot
/dev 1029980 0 1029980 0% /mnt/sysimage/dev

more /etc/mtab:
/dev/sda2 / ext3 rw,defaults 0 0
/dev/sda1 /boot ext3 rw,defaults 0 0
proc /proc proc rw,defaults 0 0
none /proc proc rw,defaults 0 0
sysfs /sys sysfs rw,defaults 0 0
none /sys sysfs rw,defaults 0 0


Relevant system configuration:

Intel Pentium M 2.0 GHz (Intel 915GM)
2GB DDR2 RAM (2 x 1GB 200-pin SODIMM)
1 HDD 100GB "with ATA-100 support" (SATA?)

lspci:
00:00.0 Host bridge: Intel Corporation Mobile 915GM/PM/GMS/910GML Express Processor to DRAM Controller (rev 04)
00:02.0 VGA compatible controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express Graphics Controller (rev 04)
00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 04)
00:1d.0 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #1 (rev 04)
00:1d.1 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #2 (rev 04)
00:1d.2 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #3 (rev 04)
00:1d.3 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB UHCI #4 (rev 04)
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev d4)
00:1f.0 ISA bridge: Intel Corporation 82801FBM (ICH6M) LPC Interface Bridge (rev 04)
00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 04)
00:1f.3 SMBus: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) SMBus Controller (rev 04)
01:03.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus Controller (rev 02)
01:07.0 Network controller: Intel Corporation PRO/Wireless 2915ABG MiniPCI Adapter (rev 05)
01:0a.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link)
01:0c.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10)
 
Old 03-10-2006, 11:39 PM   #2
GrueMaster
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Registered: Aug 2005
Location: Oregon
Distribution: Kubuntu.
Posts: 848

Rep: Reputation: 30
Edit your fstab & the grub boot loader to get rid of the LABEL=/ crap. Tell it to mount the physical device (i.e. /dev/sda2 /). Fedora/Redhat is the only distro I am currently testing that mounts file systems via labels. It sucks when you are doing multipartition distribution installs.
 
  


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