Your message dated Tue, 4 Oct 2005 01:41:29 +0200
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has caused the Debian Bug report #331507,
regarding loop-aes-source: loop-aes crashes in a xen-kernel when keyscrubbing
is used
to be marked as having been forwarded to the upstream software
author(s) Jari Ruusu <[EMAIL PROTECTED]>.
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Date: Tue, 4 Oct 2005 01:41:29 +0200
From: Max Vozeler <[EMAIL PROTECTED]>
To: Jari Ruusu <[EMAIL PROTECTED]>
Cc: Frank Burkhardt <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
Subject: [EMAIL PROTECTED]: Bug#331507: loop-aes crashes in a xen-kernel when
keyscrubbing is used]
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Hi Jari,
I've received the below bug report about a KEYSCRUB=y problem on XEN
kernels. Can you deduce what the problem may be? I'm planning to try
looking deeper into this sometime this week.
Frank, the trace shows the tainted flag. Did you have other external
modules loaded or do you know where the taint comes from? The running
XEN kernel was 2.6.12, correct?
cheers,
Max
----- Forwarded message from Frank Burkhardt <[EMAIL PROTECTED]> -----
From: Frank Burkhardt <[EMAIL PROTECTED]>
Reply-To: Frank Burkhardt <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: Bug#331507: loop-aes-source: loop-aes crashes in a xen-kernel when
keyscrubbing is used
Date: Mon, 3 Oct 2005 21:52:47 +0200
User-Agent: Mutt/1.5.11
X-Mailer: reportbug 3.17
Package: loop-aes-source
Version: 3.0d-4
Severity: normal
Hi,
if the loop-aes-module is compiled with keyscrubbing enabled,
it crashes when it's inserted into a kernel running inside a
xen-domain. Everything works fine in xen when KEYSCRUB=n is used.
KEYSCRUB should be set to 'n' by default in debian/rules when a
xen kernel ist built.
A snapshot of the crash:
# modprobe loop
loop: AES key scrubbing enabled
loop: loaded (max 8 devices)
# dd if=/dev/zero of=/tmp/xxx bs=1024 count=$((30*1024))
# losetup -e AES256 -H sha512 -S test /dev/loop0 /tmp/xxx
Password:
general protection fault: 0000 [#1]
PREEMPT
Modules linked in: loop openafs
CPU: 0
EIP: 0061:[<c71d745e>] Tainted: P VLI
EFLAGS: 00010202 (2.6.12-f4e)
EIP is at keyScrubWork+0xae/0xc0 [loop]
eax: c63bea08 ebx: c63be808 ecx: c63bea08 edx: c63bea18
esi: c63bea18 edi: c63be800 ebp: c63be804 esp: c0ecff54
ds: 007b es: 007b ss: 0069
Process loop0 (pid: 1191, threadinfo=c0ece000 task=c0c2da60)
Stack: c0c29000 c0c29208 00000001 00000001 c63be800 c71dfe78 00000000 00000000
c71d74b8 c63be800 c0ece000 c71d5604 c63be800 ffffffff 00000009 00000001
00000001 c0ecffb0 c243bb54 00001000 c5ff9dc0 00000000 00000000 c5a19ecc
Call Trace:
[<c71d74b8>] keyScrubThreadFn+0x48/0x60 [loop]
[<c71d5604>] loop_thread+0x144/0x700 [loop]
[<c01098fe>] ret_from_fork+0x6/0x1c
[<c0119ac0>] default_wake_function+0x0/0x20
[<c71d54c0>] loop_thread+0x0/0x700 [loop]
[<c01077cd>] kernel_thread_helper+0x5/0x18
Code: 04 81 83 f2 04 89 96 28 02 00 00 8d 14 91 89 c6 89 d7 a5 a5 a5 a5 8b 7c
24 24 89 97 04 02 00 00 f7 10 f7 50 04 f7 50 08 f7 50 0c <0f> 09 83 c4 10 5b 5e
5f 5d c3 90 8d b4 26 00 00 00 00 53 b8 01
<6>note: loop0[1191] exited with preempt_count 1
Regards,
Frank
-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.13-f4
Locale: LANG=de_DE, LC_CTYPE=de_DE (charmap=ISO-8859-1) (ignored: LC_ALL set to
de_DE)
Versions of packages loop-aes-source depends on:
ii build-essential 11.1 informational list of build-essent
ii bzip2 1.0.2-10 high-quality block-sorting file co
ii debhelper 4.9.11 helper programs for debian/rules
ii module-assistant 0.9.10 tool to make module package creati
Versions of packages loop-aes-source recommends:
ii kernel-package 9.008 A utility for building Linux kerne
pn kernel-source <none> (no description available)
-- no debconf information
----- End forwarded message -----
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