diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-06 05:51:07 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-06 05:51:07 -0400 |
commit | 012e060c95e547eceea4a12c6f58592473bf4011 (patch) | |
tree | b57d3eafb50ce517577d2cf366c9ef0b4b286589 /Documentation/kdump/kdump.txt | |
parent | 923f122573851d18a3832ca808269fa2d5046fb1 (diff) | |
parent | ed39f731ab2e77e58122232f6e27333331d7793d (diff) |
Merge branch 'master'
Diffstat (limited to 'Documentation/kdump/kdump.txt')
-rw-r--r-- | Documentation/kdump/kdump.txt | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt index 1f5f7d28c9e..5f08f9ce604 100644 --- a/Documentation/kdump/kdump.txt +++ b/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) <root-dev> 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 <second-kernel>, then, specify + --initrd=<initrd-for-second-kernel>. 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 |