Date: Wed, 19 Aug 1998 18:39:32 +0300 From: Plamen Petkov <plamendp@techno-link.com> To: "freebsd-questions@FreeBSD.ORG" <freebsd-questions@FreeBSD.ORG> Subject: Active partition problem - bootin in FreeBSD set it to "non-bootable" Message-ID: <35DAF1B4.8706B931@techno-link.com>
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I'll try to be short:
Every time I reboot (BootEasy, FSBD on prim. slave disk; DOS/W95 on
prim. master disk) somehow the Partition Flag of the prim. master disk
is set to ZERO (instead of 80), i.e. partition is NOT bootable.
I boot DOS - using fdisk I set it "Active" and reset the computer.
BootEasy presents its menu and I choose F5 --->>> FreeBSD.
FBSD boots fine. Everythink is (seems) OK.
I run fdisk and here is the output:
phome# fdisk
******* Working on device /dev/rwd0 *******
parameters extracted from in-core disklabel are:
cylinders=782 heads=128 sectors/track=63 (8064 blks/cyl)
parameters to be used for BIOS calculations are:
cylinders=782 heads=128 sectors/track=63 (8064 blks/cyl)
Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 6,(Primary 'big' DOS (> 32MB))
start 63, size 2048193 (1000 Meg), flag 0
beg: cyl 0/ sector 1/ head 1;
end: cyl 253/ sector 63/ head 127
The data for partition 2 is:
sysid 5,(Extended DOS)
start 2048256, size 4249728 (2075 Meg), flag 0
beg: cyl 254/ sector 1/ head 0;
end: cyl 780/ sector 63/ head 127
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
phome#
You see the "flag 0" ???
Ok, now I run fdisk -a wd0 and set the parftition Number 1 as active
(writing the result!! not -t option etc.).
Now reboot.
Successfull!!
I am in FBSD.
Fdisk again -->>> flag is zero again!
fdisk -a wd0 again.
Reboot
Success..
..
etc..
In a word, If I do not set the partition [active] with FreeBSD [or
DOS] fdisk -a wd0, computer says at a booting process:
NOT FOUND ANY ACTIVE PARTITION!!
Nothing to do with FBSD but after DOS-fdisk-set-active-partition I
boot Win95 as many times as I wish and there is no need to "fdisk"
again.
As far I boot in FBSD, the partition flag is set to 0.
Arrrrgh....
FreeBSD 2.2.6-R
GA 686BX Pentium II 266MHZ
64 MB
2 x 3GB IDE
S3 3D Virge 2MB
--
! REMOVE THE *SPAM*
---
Plamen Petkov
plamendp*SPAM*@techno-link.com
ICQ: 2214327
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