John,
This isn't a bug. You are normally booted in Linux with the "quiet" flag
passed to the kernel command line. You won't see output like this unless
you either boot without that flag, or run a command such as "dmesg
--console-on" or twiddle some bits in /proc/sys/kernel/printk.
This is normal behavior.
** Changed in: linux-ppc (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1282201
Title:
SysRQ over serial console redirects to syslog
Status in “linux-ppc” package in Ubuntu:
Invalid
Bug description:
VERSION="13.10, Saucy Salamander"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 13.10"
VERSION_ID="13.10"
vmlinux-3.11.0-5-powerpc-e500mc
When SysRQ is enabled through /proc :
echo 1 > /proc/sys/kernel/sysrq
All responses from SysRQ sequences are redirected to /var/log/syslog , not
the serial console.
For instance:
SySRQ ( break ) l
Is suppose to report CPU stack traces . The summary is sent to
v/var/log/syslog , not the serial port, which
defeats the entire purpose of SysRQ feature which is intended for diagnostics
of server issues.
The logging behavior can redirected to the console by using :
dmesg --console-on
This should be the default behavior for ppc ; It is also how x86 has
worked in the past.
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