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Date: Wed, 19 Aug 2009 21:47:00 +0800 From: Dave Young <hidave.darkstar@...il.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Ingo Molnar <mingo@...e.hu>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: -mm hang while shutdown with printk_delay On Tue, Aug 18, 2009 at 12:12 PM, Dave Young<hidave.darkstar@...il.com> wrote: > On Tue, Aug 18, 2009 at 11:30 AM, Andrew > Morton<akpm@...ux-foundation.org> wrote: >> On Tue, 18 Aug 2009 11:25:22 +0800 Dave Young <hidave.darkstar@...il.com> wrote: >> >>> Hi, >>> >>> Test with printk_delay=200, >>> >>> /sbin/halt -p >>> >>> kernel hang after following message: >>> >>> Disabling non-boot CPUs >>> >>> There's no such problem with 2.6.31-rc6 >> >> umm, OK. But -mm contains six patches: >> >> printk-boot_delay-rename-printk_delay_msec-to-loops_per_msec.patch >> printk-boot_delay-rename-printk_delay_msec-to-loops_per_msec-fix.patch >> printk-boot_delay-rename-printk_delay_msec-to-loops_per_msec-fix-2.patch >> printk-add-printk_delay-to-make-messages-readable-for-some-scenarios.patch >> printk-add-printk_delay-to-make-messages-readable-for-some-scenarios-fix.patch >> printk-add-printk_delay-to-make-messages-readable-for-some-scenarios-cleanup.patch >> >> from yourself. Are they the cause? >> > > Actually I tested 2.6.31-rc6 with the above six patches applied, > there's no such problem. > I'm manually bisecting the mm patch series, hope find cause. > -- > Regards > dave > -- Regards dave -- 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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