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stage1.5 read error on hard-reboot (ok on soft)
From: |
Russ Tedrake |
Subject: |
stage1.5 read error on hard-reboot (ok on soft) |
Date: |
Thu, 15 Jan 2004 15:13:47 -0500 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.6b) Gecko/20031205 Thunderbird/0.4 |
I'm trying to boot off a compact flash (1GB microdrive) that is plugged
into a secondary IDE drive (/dev/hdc). The redhat 9 anaconda installs
grub and then does a soft (warm) reboot. Everything loads fine. When I
actually cycle the power (cold boot), grub gives me a "stage1.5 read
error".
This behavior is repeatable. I can boot off a floppy, then do a soft
reset (removing the floppy), and boot off the compact flash just fine.
The next time I cycle the power, I get the stage1.5 read error.
All of this is running on a PC104 stack with Pheonix PicoBIOS (v ).
I've tried all sorts of things, including running install from the grub
shell with the 'd' option. No luck.
I *think* that it is getting the right geometry for the microdrive
(2088/16/63), at least hdparm gives me the same info when everything
boots properly off the floppy.
I've attached a trace of my grub session. I would really appreciate any
advice I can get. I'm stuck. Thanks in advance.
- Russ
sample grub session:
grub> find /boot/grub/stage1
(hd0,0)
grub> geometry (hd0)
drive 0x80: C/H/S = 2088/16/63, The number of sectors = 2104704, /dev/hdc
Partition num: 0, Filesystem type is ext2fs, partition type 0x83
grub> root (hd0,0)
Filesystem type is ext2fs, partition type 0x83
grub> setup (hd0)
Checking if "/boot/grub/stage1" exists... yes
Checking if "/boot/grub/stage2" exists... yes
Checking if "/boot/grub/e2fs_stage1_5" exists... yes
Running "embed /boot/grub/e2fs_stage1_5 (hd0)"... 16 sectors are
embedded.
succeeded
Running "install /boot/grub/stage1 (hd0) (hd0)1+16 p
(hd0,0)/boot/grub/stage2
/boot/grub/grub.conf"... succeeded
Done.
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