Public bug reported:
The kernel uses "profile=2" in the bootloader command-line arguments to
indicate that the kernel should turn on instruction pointer profiling at
boot time. This has existed for many years.
The readahead package uses 'profile' on the command-line to indicate
that it should do a boot-time profile of the boot sequence.
These scripts:
/etc/init.d/readahead
/etc/init.d/readahead-desktop
implement that with the following shell script lines:
/etc/init.d/readahead: if ! grep -q "profile" /proc/cmdline; then
/etc/init.d/readahead-desktop: if ! grep -q "profile" /proc/cmdline; then
the problem happens when grep, looking for "profile", finds "profile=2"
and returns true. I would suggest changing those lines to something
like:
/etc/init.d/readahead: if ! grep -q 'profile[^=]' /proc/cmdline; then
/etc/init.d/readahead-desktop: if ! grep -q 'profile[^=]' /proc/cmdline; then
Or, perhaps using another argument or trigger.
** Affects: readahead (Ubuntu)
Importance: Undecided
Status: New
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greps for 'profile' in /proc/cmdline falsely triggers on kernel profile=
cmdline arg
https://bugs.launchpad.net/bugs/517230
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