[Bug 1040900] Re: syslog messages truncated to 256 chars during debian-installer run

Adam Stokes adam.stokes at canonical.com
Fri Sep 28 20:23:44 UTC 2012

** Patch added: "busybox_1.18.5-1ubuntu4.1.precise.debdiff"

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  syslog messages truncated to 256 chars during debian-installer run

Status in BusyBox:
Status in “busybox” package in Ubuntu:
  In Progress
Status in “busybox” source package in Precise:
  In Progress

Bug description:
  Users relying on busybox within their environment and attempting to do any sort of debugging of logs.

  [Test Case]
  Run the installer, parse logs from syslogd packaged within busybox.

  Minimal, only doubling buffer size for syslogd within busybox.

  We're seeing syslog messages during installers runs truncated to 256 chars. This is annoying.

  Digging into the debian-installer source, its calling /sbin/syslogd
  from the initrd - this is a busybox binary. In the busybox source,
  there's a config variable CONFIG_FEATURE_SYSLOGD_READ_BUFFER_SIZE that
  defaults to 256. From the code, that looks to be the problem.

  Can we either -
  1. fix busybox to use a dynamic buffer, or
  2. bump the config variable up to 1024 or so?

  I'm perfectly happy with solution 2 :)

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