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Top Forums UNIX for Advanced & Expert Users kernel debug:"Symbol file not found for *.ko" Post 302302109 by yanglei_fage on Monday 30th of March 2009 05:41:05 AM
Old 03-30-2009
kernel debug:"Symbol file not found for *.ko"

When I debug vmlinux with gdb, after it connect to the target, I got below output:

Code:
usbcore.ko: No such file or directory.
Error while mapping shared library sections:
ohci_hcd.ko: No such file or directory.
Symbol file not found for usbcore.ko
Symbol file not found for ohci_hcd.ko
Symbol file not found for binfmt_misc.ko
Symbol file not found for edac_core.ko
Symbol file not found for k8_edac.ko
Symbol file not found for usbhid.ko
Symbol file not found for sg.ko
Symbol file not found for usb_storage.ko
Symbol file not found for ipmi_msghandler.ko
Symbol file not found for ipmi_si.ko
Symbol file not found for ipmi_devintf

I konw we can set the path in the gdb to avoid this, but I wonder what cause above output message?
any idears?
 

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PPI::Token::Symbol(3)					User Contributed Perl Documentation				     PPI::Token::Symbol(3)

NAME
PPI::Token::Symbol - A token class for variables and other symbols INHERITANCE
PPI::Token::Symbol isa PPI::Token isa PPI::Element DESCRIPTION
The "PPI::Token::Symbol" class is used to cover all tokens that represent variables and other things that start with a sigil. METHODS
This class has several methods beyond what is provided by its PPI::Token and PPI::Element parent classes. Most methods are provided to help work out what the object is actually pointing at, rather than what it might appear to be pointing at. canonical The "canonical" method returns a normalized, canonical version of the symbol. For example, it converts "$ ::foo'bar::baz" to $main::foo::bar::baz. This does not fully resolve the symbol, but merely removes syntax variations. symbol The "symbol" method returns the ACTUAL symbol this token refers to. A token of $foo might actually be referring to @foo, if it is found in the form $foo[1]. This method attempts to resolve these issues to determine the actual symbol. Returns the symbol as a string. raw_type The "raw_type" method returns the apparent type of the symbol in the form of its sigil. Returns the sigil as a string. symbol_type The "symbol_type" method returns the actual type of the symbol in the form of its sigil. Returns the sigil as a string. SUPPORT
See the support section in the main module. AUTHOR
Adam Kennedy <adamk@cpan.org> COPYRIGHT
Copyright 2001 - 2011 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.18.2 2011-02-25 PPI::Token::Symbol(3)
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