Messages in this thread | | | Date | Wed, 26 Nov 2003 09:35:43 -0800 | From | "Randy.Dunlap" <> | Subject | Re: [kernel panic @ reboot] 2.6.0-test10-mm1 |
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On Wed, 26 Nov 2003 18:34:34 +0100 Vince <fuzzy77@free.fr> wrote:
| Zwane Mwaikambo wrote: | > On Wed, 26 Nov 2003, Vince wrote: | > | > <4>Oops: 0000 [#49] | > | > At the point you're at there really isn't much state left to work from. | > Any chance you can get at the logs (if it hit disk) and get the first | > oops? | > | | Nothing ever hits the disk (In interrupt handler - not syncing ...), | that's the reason why I had to install kmsgdump in the first place. | (Sidenote: a few days ago, I had the intent to install the lkcd kernel | patches, but gave up because of the time required to | patch/compile/install/setup correctly the kernel and userspace utilities | (not .deb of lkcd-utils available...)). | I suppose I could enlarge the kernel message log size, but the kmsgdup | documentation states: | --------------------------------- | If you have changed your messages buffer size (which is 16 kB by | default), you should modify the size in "include/asm/kmsgdump.h", | parameter LOG_BUF_LEN. Some people required 32 kB. But you shouldn't | exceed 60 kB since the dump is done in real mode (16 bits). | For kernel versions 2.5.6x and later, the LOG_BUF_LEN parameter is part | of the kernel .config file (LOG_BUF_SHIFT) so you don't need to modify | it at all. | --------------------------------- | | ...so I you think 60kB would be enough to catch the first oops -- or if | the doc is outdated -- I can try this...
wow... ooops. a kmsgdump user. :)
No, the doc is not outdated, and since the log buf size must be a power of 2, 32 KB is the largest that is currently supported. Sorry about that.
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