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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2013-03-28 23:29:24 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2013-03-28 23:29:24 +0100
commit211d4f0231ecc967bea385e3bed637aaff3d0fc5 (patch)
tree6bfc65c4441383338a85b2900501eb4da8285e8c /faq/issues
parentde5e67741f8e5926a4327d24b73b1a851e5539aa (diff)
parent7c90e65e25f673a9c621c6102ee3d7c130160b01 (diff)
Merge branch 'master' of git.savannah.gnu.org:/srv/git/hurd/web
Conflicts: faq/issues/got_a_db_prompt.mdwn
Diffstat (limited to 'faq/issues')
-rw-r--r--faq/issues/got_a_db_prompt.mdwn27
1 files changed, 16 insertions, 11 deletions
diff --git a/faq/issues/got_a_db_prompt.mdwn b/faq/issues/got_a_db_prompt.mdwn
index 38e21566..ad99c515 100644
--- a/faq/issues/got_a_db_prompt.mdwn
+++ b/faq/issues/got_a_db_prompt.mdwn
@@ -5,25 +5,30 @@ 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]]."]]"""]]
+is included in the section entitled [[GNU Free Documentation
+License|/fdl]]."]]"""]]
-[[!meta title="I've just gotten a db> prompt"]]
+[[!meta title="Help, I've just gotten a db> prompt"]]
-Something bad happened in the kernel (think of it as the equivalent of the Linux
-Oops). The `db>` prompt is actually the kernel debugger. You can then type the
-`trace` command, which will bring you something like:
+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)
-Which is actually the function call trace, which can be decyphered by using:
+This can be decyphered by using:
$ addr2line -i -f -e /boot/gnumach 0x8007cf1 0x80071bc 0x8006831
-You can then send us the whole result of both the `trace` and the `addr2line`
-commands, as well as
-the exact version of the gnumach kernel you were running, for further
-investigation. [[More information about the gnumach
+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.