[PC-BSD Testing] PCBSD 7.0 alpha -- Laptop Install Read Failure

Federico Lorenzi florenzi at gmail.com
Sat May 10 09:40:23 PDT 2008

Just a suggestion, as I'm sending this from my phone, why not try and
put the bulk of the PCBSD cd onto a flash drive, then boot up into a
minimal FreeBSD system off a CD, but using the files off your flash
drive, through some nullfs/unionfs/symlink trickery, install PCBSD.


On Sat, May 10, 2008 at 3:33 PM, Ian Robinson <fitchkendall at gmail.com> wrote:
> I am still having trouble installing PCBSD 7.0 alpha on my laptop (Acer
> Travelmate 4001, w/ P4 1.5GH, 2GB RAM, Intel "Centrino" package with onboard
> Intel video chip (Intel 82855GME).
> Previous installs of PCBSD 1.4, 1.4.1, and 1.5 had been successful.
> Installs of PCBSD 1.5.1 and 1.5.1 PBI upgrade had failed on this laptop.
> The install of PCBSD 7.0 alpha failed after the install reached "starting
> default moused" and produced the message:
> *** PCBSD i386 on ttyv0 ***
> g_vfs_done( ):md3.uzip[READ(offset=1437532
> 16, length=16384)] error=5
> /libexec/ld-elf.so.1:/usr/lib/libbsm.so2:read error: Input/output error
> getty repeating too quickly on port /dev/ttyv0 sleeping 30 seconds
> Kris identified the cause as a read error of the unpacked files extracted
> from the PCBSD.tar.lzma file.
> Kris asked whether I had a good burn and could I test the disk to see if
> (using the same disk) I could boot to the installer on any other computer.
> The md5 checksum was a precise match.  The disk could be used to install on
> a desktop.  Because I had burned the CD on another computer and then
> attempted the install on the laptop, I suggested I would burn the CD on the
> laptop.
> I burned the CD using PCBSD 1.5 & K3B.  I test-confirmed the burn against
> the iso file.  I rebooted with the CD in the CD tray.  The CD booted
> normally and began the process of creating the ram disk, mounting it,
> unzipping and copying the file into memory.  This time ... I got a little
> further ... because I was able to reach the startx screen.  However, once
> again, the computer rebooted itself.
> It is hard to catch the messages that are being reported.  I can jump to the
> console window behind startx, but the messages scroll by so fast I cannot
> read them.  I've invoked scroll lock to freeze the messages, but the
> computer reboots before I can read them.  The few fragments I can read
> suggest the same read error diagnosed by Kris:
> g_vfs_done() . . . ???. . . . error = 5
> I/O read error
>       . . .
> write failed  exiting on Signal 11
>      . . .
> Segmentation fault
> Shutdown PID [1093]
> After that, the computer reboots and that cycle will repeat endlessly.
> This CD will boot and install on my desktops.
> I am wondering if the laptop CD hardware is hyper sensitive.  [ cd0:
> <MATSHITA UJDA760 DVD/CDRW 1.00> Removable CD-ROM SCSI-0 device, 33.000MB/s
> transfers].  Unfortunately, my computer BIOS does not have a "boot from USB"
> choice in the boot order section, so I cannot boot from a USB CD or a USB
> flash drive that I could attach.
> I am wondering how to track and save the boot messages during installation.
> This computer does not have a serial port to link to a second computer.  It
> does have USB ports.  Can USB work with a USB crossover cable to capture the
> output?
> What I am also wondering is with my slices and boot loader set up via PCBSD
> 1.5 that I could just delete the files to empty the slice and copy an
> existing PCBSD 7.0 install from an existing computer to get it working.
> Ian Robinson
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