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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-09-24 00:25:02 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-24 00:25:02 -0400 |
| commit | c1d9728ecc5b560465df3c0c0d3b3825c2710b40 (patch) | |
| tree | d0abb5c923a7a3eca2d4b2c3e1964bf484870909 /Documentation/kdump/kdump.txt | |
| parent | 165415f700b0c77fa1f8db6198f48582639adf78 (diff) | |
| parent | 87e807b6c461bbd449496a4c3ab78ab164a4ba97 (diff) | |
| download | blackbird-op-linux-c1d9728ecc5b560465df3c0c0d3b3825c2710b40.tar.gz blackbird-op-linux-c1d9728ecc5b560465df3c0c0d3b3825c2710b40.zip | |
Merge /spare/repo/linux-2.6/
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 1f5f7d28c9e6..5f08f9ce6046 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 |
