linux-kernel - Re: 2.6.16.41 & 2.6.18.7 OK, 2.6.19.5 NOT, 2.6.18.8 KERNEL PANIC

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Date:	Sun, 25 Feb 2007 17:05:58 +0100
From:	Mario Vanoni <vanonim@...ce.it>
To:	Randy Dunlap <randy.dunlap@...cle.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.16.41 & 2.6.18.7 OK,   2.6.19.5 NOT,   2.6.18.8 KERNEL PANIC

Randy Dunlap wrote:
> On Sat, 24 Feb 2007 16:44:20 +0100 Mario Vanoni wrote:
> 
>> 2.6.18.7 vanilla & 2.6.16.41 vanilla:
>> /dev/hda CD/DVD
>> /dev/hda1 / IDE HD 160GB
>> /dev/hda2 swap
>> /dev/sda1 /xyz SATA HD 320GB
>> /dev/sda2 swap
>> /dev/sdb1 /zzz SATA HD 320GB
>> /dev/sdb2 swap
>> /dev/sdc1 /usb USB KEY 512MB

> For 2.6.19.*, does .config contain any CONFIG_ATA* entries?
> FYI, in 2.6.19, CONFIG_SCSI_SATA* config symbols were renamed to
> CONFIG_ATA*, so just using an oldconfig won't be sufficient
> for SATA support.

You are 100% right, I was lazy, thanks for the gentle blame.
2.6.19.5 vanilla works perfectly, 2.6.20.1 vanilla too!

>> ---
>> 2.6.18.8 vanilla: !!!
>> screen eating leftmost characters, then
>> kernel panic - not syncing: VFS: Unable to mount root fs on
>> unknown-block(3,65)
>> POWER SWITCH ultima ratio
>> ---

Strange error, due to a partially corrupted MBR (?):
2.6.19.5 with incorrect .config, lilo, SATA missing
reboot with old 2.6.18.7, OK
2.6.18.8 with old .config from 2.6.18.6,
lilo objects not seeing /dev/sdb and /dev/sdc,
reboot and kernel panic,
reboot with 2.6.18.7, OK
2.6.18.8 make mrproper and rm -r /lib/modules/2.6.18.8
make bzImage etc., lilo: 2.6.18.8 works perfectly.

Many thanks and kind regards
Mario Vanoni
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