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Open Source and information security mailing list archives
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Date: Tue, 11 Dec 2012 00:06:38 +0000 From: Seiji Aguchi <seiji.aguchi@....com> To: "Luck, Tony" <tony.luck@...el.com>, Don Zickus <dzickus@...hat.com> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "cbouatmailru@...il.com" <cbouatmailru@...il.com>, "ccross@...roid.com" <ccross@...roid.com>, "keescook@...omium.org" <keescook@...omium.org>, "dle-develop@...ts.sourceforge.net" <dle-develop@...ts.sourceforge.net>, Satoru Moriya <satoru.moriya@....com> Subject: RE: [RFC][PATCH] pstore: Skip spinlock when just one cpu is online > A boot argument might help - so we can force use of pstore in cases where kdump is failing (or prevent use of pstore in cases where it > seem to be preventing us getting to kdump ... I don't have a preference). BUT this would only be useful if we had a repeatable > problem so that we could switch to the other mode ... and it seems likely that the kinds of problems that cause pstore or kdump to fail > would be weird cases that are not very repeatable :-( I think it is helpful for reproducible problems because reasons of kdump failure vary widely. For example, users may forget to erase vmcores from a dump disk and kdump fails due to lack of space. Also, FC cable or other hardware may be broken. But, The person I have to convince is not you but kexec engineers... > > -Tony -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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