GBDE, problems using gbde_swap

[Ondra Holecek]

Allan Fields wrote:

>On Thu, Oct 21, 2004 at 11:05:16AM +0200, Ondra Holecek wrote:
>  
>
>>Allan Fields wrote:
>>    
>>
>>>On Mon, Oct 18, 2004 at 01:17:29PM +0200, Ondra Holecek wrote:
>>>      
>>>
>>>>hello,
>>>>
>>>>I wanted to use encrypted swap (gbde_swap in /etc/rc.d) on 5.3-BETA7, 
>>>>but after second reboot, the system did not boot - it finised with boot 
>>>>manager (F1 - FreeBSD).
>>>>
>>>>I wrote problem report where you can read details:
>>>>
>>>>http://www.freebsd.org/cgi/query-pr.cgi?pr=72812
>>>>
>>>>        
>>>>
>>>>>Category:       kern
>>>>>Responsible:    freebsd-bugs
>>>>>Synopsis:       GBDE, problems using gbde_swap
>>>>>Arrival-Date:   Mon Oct 18 11:00:44 GMT 2004
>>>>>          
>>>>>
>>>Can you follow up the PR with more details such as output
>>>of:
>>>fdisk /dev/ad0
>>>
>>>      
>>>
>>******* Working on device /dev/ad0 *******
>>parameters extracted from in-core disklabel are:
>>cylinders=38760 heads=16 sectors/track=63 (1008 blks/cyl)
>>
>>Figures below won't work with BIOS for partitions not in cyl 1
>>parameters to be used for BIOS calculations are:
>>cylinders=38760 heads=16 sectors/track=63 (1008 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 165 (0xa5),(FreeBSD/NetBSD/386BSD)
>>   start 63, size 39070017 (19077 Meg), flag 80 (active)
>>       beg: cyl 0/ head 1/ sector 1;
>>       end: cyl 1023/ head 15/ sector 63
>>
>>    
>>
>>>disklabel /dev/ad0s1
>>>      
>>>
>> 
>># /dev/ad0s1:
>>8 partitions:
>>#        size   offset    fstype   [fsize bsize bps/cpg]
>> a:  2097152  1048576    4.2BSD     2048 16384 28552
>> b:  1048576        0      swap                   
>> c: 39070017        0    unused        0     0         # "raw" part, 
>>don't edit
>> d:  4194304  3145728    4.2BSD     2048 16384 28552
>> e: 31729985  7340032    4.2BSD     2048 16384 28552
>>
>>    
>>
>>>You can boot from the install or live CD and run a fixit shell and
>>>      
>>>
>>>from there should be able to get this info.
>>
>>Now I have it repaired (i have to work on this machine), but i saved 
>>fdisk and disklabel output before "reparing" (tar -cpf; newfs 
>>/dev/ad0s1a; tar -xpf)
>>
>>    
>>
>>>Also try reinstalling the boot blocks using:
>>>mount /dev/ad0s1 /mnt
>>>boot0cfg -Bv -b /mnt/boot/boot0 ad0
>>>
>>>      
>>>
>>This didn't help, i had to do newfs on root (a) partition
>>    
>>
>
>After the boot0cfg, or anyway, after using only gbde swap?
>
>  
>

I booted from livecd, chroot to my fs on harddisk, did boot0cfg -Bv, 
reboot, didn't help, same as before. Then booted from livecd again, 
tar-ed rootfs, newfs, un-tar-ed, reboot, ok - normal boot

>>>If it boots fine, then it is possibly an issue with corrupted
>>>boot blocks.
>>>      
>>>
>
>But it does fix the boot problem when they are resinstalled?
>
>  
>