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Open Source and information security mailing list archives
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Date: Thu, 07 Jun 2007 11:30:05 +0100 From: David Greaves <david@...eaves.com> To: Tejun Heo <htejun@...il.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, "Rafael J. Wysocki" <rjw@...k.pl>, xfs@....sgi.com, "'linux-kernel@...r.kernel.org'" <linux-kernel@...r.kernel.org>, linux-pm <linux-pm@...ts.osdl.org>, Neil Brown <neilb@...e.de> Subject: Re: 2.6.22-rc3 hibernate(?) fails totally - regression (xfs on raid6) Tejun Heo wrote: > Hello, > > David Greaves wrote: >> Just to be clear. This problem is where my system won't resume after s2d >> unless I umount my xfs over raid6 filesystem. > > This is really weird. I don't see how xfs mount can affect this at all. Indeed. It does :) > How hard does the machine freeze? Can you use sysrq? If so, please > dump sysrq-t. I suspect there is a problem writing to the consoles... I recompiled (rc4+patch) with sysrq support, suspended, resumed and tried sysrq-t but got no output. I *can* change VTs and see the various login prompts, bitmap messages and the console messages. Caps/Num lock lights work. Fearing incompetence I tried sysrq-s sysrq-u sysrq-b and got a reboot so sysrq is OK. Any suggestions on how to see more? Or what to try next? Any other kernel debug options to set? David PS Back in a couple of hours... - 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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