Messages in this thread |  | | Date | Mon, 01 Oct 2001 16:48:33 -0700 | From | "Randy.Dunlap" <> | Subject | Re: Increasing dmesg buffer size? |
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Jordan Breeding wrote: > > What kernel parameter do I need to modify in the source to allow a > larger dmesg buffer? I have a lot of boot messages and I currently > loose about 10-20 lines immediately and they can not even be seen in > /var/log/dmesg because that file gets dumped after those lines are > already gone. Thanks to anyone who can help.
That would be a #define of LOG_BUF_LEN in linux/kernel/printk.c.
Be sure to keep it a power of 2.
There have been several patch files for this on the kernel mailing list, but it's easy enough to DIY.
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