Messages in this thread | | | Date | Tue, 22 Sep 2015 17:08:50 -0700 | From | Andrew Morton <> | Subject | Re: [Patch v4] Do not reserve crashkernel high memory if crashkernel low memory reserving failed |
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On Wed, 23 Sep 2015 08:02:55 +0800 Baoquan He <bhe@redhat.com> wrote:
> > > > > } > > > > > > low_base = memblock_find_in_range(low_size, (1ULL<<32), > > > low_size, alignment); > > > > > > if (!low_base) { > > > - if (!auto_set) > > > - pr_info("crashkernel low reservation failed - No suitable area found.\n"); > > > - > > > - return; > > > + pr_info("crashkernel low reservation failed - No suitable area found.\n"); > > > > That's not a terribly useful message. If kdump is now unavailable and > > the operator needs to take some remedial action then we should inform > > them of this. > > > > Also, such a message should have higher severity than KERN_INFO? > > Yes, how about KERN_ERR? It's an unexpected result from kdump side > though it doesn't harm the normal kernel.
Sure, KERN_ERR is good. Along with more useful message text.
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