From 47d99b8ab299013c69be4e5b331dd53407bc00a4 Mon Sep 17 00:00:00 2001 From: Vivek Goyal Date: Tue, 13 Sep 2005 01:25:47 -0700 Subject: [PATCH] --- yaml --- r: 8792 b: refs/heads/master c: 64ccd0cfa1e29c2d20b7085ab9611114d327b571 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/Documentation/kdump/kdump.txt | 11 ++++++++--- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/[refs] b/[refs] index 8c248a1cf6e4..a5e0313c1488 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: f4f9eb0ea14c8c478f0e8137b84a366499335aab +refs/heads/master: 64ccd0cfa1e29c2d20b7085ab9611114d327b571 diff --git a/trunk/Documentation/kdump/kdump.txt b/trunk/Documentation/kdump/kdump.txt index 1f5f7d28c9e6..5f08f9ce6046 100644 --- a/trunk/Documentation/kdump/kdump.txt +++ b/trunk/Documentation/kdump/kdump.txt @@ -66,11 +66,11 @@ SETUP c) Enable "/proc/vmcore support" (Optional, in Pseudo filesystems). CONFIG_PROC_VMCORE=y d) Disable SMP support and build a UP kernel (Until it is fixed). - CONFIG_SMP=n + CONFIG_SMP=n e) Enable "Local APIC support on uniprocessors". - CONFIG_X86_UP_APIC=y + CONFIG_X86_UP_APIC=y f) Enable "IO-APIC support on uniprocessors" - CONFIG_X86_UP_IOAPIC=y + CONFIG_X86_UP_IOAPIC=y Note: i) Options a) and b) depend upon "Configure standard kernel features (for small systems)" (under General setup). @@ -95,6 +95,11 @@ SETUP hence have memory less than 4GB. iii) Specify "irqpoll" as command line parameter. This reduces driver initialization failures in second kernel due to shared interrupts. + iv) needs to be specified in a format corresponding to + the root device name in the output of mount command. + v) If you have built the drivers required to mount root file + system as modules in , then, specify + --initrd=. 5) System reboots into the second kernel when a panic occurs. A module can be written to force the panic or "ALT-SysRq-c" can be used initiate a crash