Gentoo Archives: gentoo-hardened

From: "Tóth Attila" <atoth@××××××××××.hu>
To: gentoo-hardened@l.g.o
Subject: Re: [gentoo-hardened] Disappearing root on 2.6.36-hardened-r6 upgrade
Date: Sun, 26 Dec 2010 19:21:10
Message-Id: 0a9a7e024c2ba50c529006d9805e8ca8.squirrel@atoth.sote.hu
In Reply to: Re: [gentoo-hardened] Disappearing root on 2.6.36-hardened-r6 upgrade by pageexec@freemail.hu
1 I don't know if it is related or not. I don't use ext4 and have no
2 symptoms of disappearing root. I attach a photo taken using a recent
3 kernel. The latest crashes I've experienced for the past few months
4 prevented syncing, so didn't get logged. The other screen capture is
5 older, may not be relevant nowdays.
6
7 Thx:
8 Dw.
9 --
10 dr Tóth Attila, Radiológus, 06-20-825-8057
11 Attila Toth MD, Radiologist, +36-20-825-8057
12
13 2010.December 26.(V) 09:46 időpontban pageexec@××××××××.hu ezt írta:
14 > On 26 Dec 2010 at 1:59, Michael Orlitzky wrote:
15 >
16 >> I've got (at least) two servers that lose their root partition after
17 >> this upgrade. One of them has an HP cciss SCSI RAID controller; the
18 >> other has a single IDE hard drive. Assuming the problem is something
19 >> common, I'll stick to describing the one with the array for now.
20 >
21 > which grsec is this ebuild based on? my guess is that it's a recent
22 > PaX/UDEREF
23 > hardening that's causing this and should be mostly fixed now except for
24 > the
25 > IP checksum code fix which i'll release soon. in the meantime you can
26 > disable
27 > UDEREF. if you don't have it enabled then i don't know what it is, we'll
28 > need
29 > more debugging, let me know.
30 >
31 >

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Re: [gentoo-hardened] Disappearing root on 2.6.36-hardened-r6 upgrade pageexec@××××××××.hu