Home > unsolved > Gentoo on sheevaplug: Unknown HZ value! problem

Gentoo on sheevaplug: Unknown HZ value! problem

I was following the instruction from http://www.gentoo.org/doc/en/handbook/handbook-arm.xml?part=1&chap=7 trying to put Gentoo onto my sheevaplug. Everything seems to be functioning except I couldn’t get the login prompt to appear through the usb-serial port, but I was able to ssh to the box though. The complete booting message reads

Press I to enter interactive boot mode

* Mounting proc at /proc ...                                             [ ok ]
* Mounting sysfs at /sys ...                                             [ ok ]
* Mounting /dev ...                                                      [ ok ]
* Starting udevd ...                                                     [ ok ]
* Populating /dev with existing devices through uevents ...              [ ok ]
* Waiting for uevents to be processed ...                                [ ok ]
* Mounting devpts at /dev/pts ...                                        [ ok ]
* Remounting root filesystem read-only ...                               [ ok ]
* Checking root filesystem .../dev/sda1: clean, 194291/1197168 files, 504877/4s
[ ok ]
* Remounting root filesystem read/write ...                              [ ok ]
* Checking all filesystems ...                                           [ ok ]
* Mounting local filesystems ...                                         [ ok ]
* Mounting USB device filesystem (usbfs) ...                             [ ok ]
* Activating (possible) swap ...                                         [ ok ]
* Your TIMEZONE in /etc/conf.d/clock is still set to Factory!
* Setting system clock using the hardware clock [UTC] ...                [ ok ]
* Configuring kernel parameters ...Unknown HZ value! (80) Assume 100.
[ ok ]
* Updating environment ...                                               [ ok ]
* Cleaning /var/lock, /var/run ...Unknown HZ value! (79) Assume 100.
[ ok ]
* Wiping /tmp directory ...                                              [ ok ]
* Device initiated services: udev-postmount
* Setting hostname to sheevaplug ...                                      [ ok ]
* Loading key mappings ...                                               [ ok ]
* Setting terminal encoding to UTF-8 ...                                 [ ok ]
* Setting user font ...                                                  [ ok ]
* Starting lo
*   Bringing up lo
*     127.0.0.1/8
[ ok ]
*   Adding routes
*     127.0.0.0/8 ...                                                    [ ok ]
* Starting eth0
*   Bringing up eth0
*     192.168.1.59/24
[ ok ]
*   Adding routes
*     default via 192.168.1.1 ...                                         [ ok ]
* Initializing random number generator ...                               [ ok ]
Unknown HZ value! (85) Assume 100.
INIT: Entering runlevel: 3
* Starting syslog-ng ...                                                 [ ok ]
* Mounting network filesystems ...                                       [ ok ]
* Starting sshd ...                                                      [ ok ]
* Starting vixie-cron ...                                                [ ok ]
* Starting local ...                                                     [ ok ]
Unknown HZ value! (86) Assume 100.

[ System is ready at this point, but the login prompt just can't show up; I am able to ssh to the box though. ]

I haven’t found any solution (tried re-installing procps as suggested by some posts but it didn’t help) yet to this problem. I also tried the vinilla-sources-2.6.30.1 kernel, but the problem remains the same. Maybe it’s time to file a bug report with Gentoo.

Edit [ July 6th, 2009 ]:
Today I solved half of the problem, the reason why I couldn’t get a login prompt through the serial port is line #39 in /etc/inittab

s0:12345:respawn:/sbin/agetty 9600 ttyS0 vt100

After change that line to

s0:12345:respawn:/sbin/agetty 115200 ttyS0 vt100

I finally had the login prompt appear as it should.

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Categories: unsolved
  1. Peter Abrahamsen
    March 23, 2010 at 9:29 pm
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