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author | Thomas Schwinge <thomas@codesourcery.com> | 2013-04-13 10:36:54 +0200 |
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committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-04-13 11:11:01 +0200 |
commit | 38cfa89677eabc85fc23e31e24cee85fb1ecfa54 (patch) | |
tree | 45822eb14eb11bdf7e96f0b8f3c5c7f0b9f81b88 /faq/issues/got_a_db_prompt.mdwn | |
parent | d8ba0864d2cc74397960060b79a8c9154bb16d34 (diff) | |
download | web-38cfa89677eabc85fc23e31e24cee85fb1ecfa54.tar.gz web-38cfa89677eabc85fc23e31e24cee85fb1ecfa54.tar.bz2 web-38cfa89677eabc85fc23e31e24cee85fb1ecfa54.zip |
Rework FAQ machinery to be based on tags instead of filenames.
Diffstat (limited to 'faq/issues/got_a_db_prompt.mdwn')
-rw-r--r-- | faq/issues/got_a_db_prompt.mdwn | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/faq/issues/got_a_db_prompt.mdwn b/faq/issues/got_a_db_prompt.mdwn deleted file mode 100644 index ad99c515..00000000 --- a/faq/issues/got_a_db_prompt.mdwn +++ /dev/null @@ -1,34 +0,0 @@ -[[!meta copyright="Copyright © 2013 Free Software Foundation, Inc."]] - -[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable -id="license" text="Permission is granted to copy, distribute and/or modify this -document under the terms of the GNU Free Documentation License, Version 1.2 or -any later version published by the Free Software Foundation; with no Invariant -Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license -is included in the section entitled [[GNU Free Documentation -License|/fdl]]."]]"""]] - -[[!meta title="Help, I've just gotten a db> prompt"]] - -If you see a `db>` prompt on the console, something unexpected and bad happened -inside the [[GNU Mach kernel|microkernel/mach/gnumach]], which it cannot -recover from. (Think of it as the equivalent of a [[!wikipedia -Linux_kernel_oops]], for example.) The `db>` prompt is actually the GNU Mach -kernel debugger waiting for your commands. For example, you can then reboot -the system by issuing the `reboot` command, or if you want to help analyze the -problem, start by typing in the `trace` command, which will display the -function call trace leading to the crash: - - 0x8007cf1(8088488,5e,40000008,2aa008,0) - 0x80071bc(0,0,0,0,0) - 0x8006831(24fe00,2000,b,800,0) - -This can be decyphered by using: - - $ addr2line -i -f -e /boot/gnumach 0x8007cf1 0x80071bc 0x8006831 - -You can then [[send us|contact_us]] the whole results of the `trace` and the -`addr2line` commands, as well as -the exact version of the GNU Mach kernel you were running, for further -investigation. More information about the [[GNU Mach -debugger|microkernel/mach/gnumach/debugging]] is available. |