From: Alexander Gordeev <lasaine@lvk.cs.msu.su>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: PPS parport boot lockup: INFO: HARDIRQ-READ-safe -> HARDIRQ-READ-unsafe lock order detected
Date: Thu, 20 Jan 2011 16:04:15 +0300 [thread overview]
Message-ID: <20110120160415.0e7da2b7@desktopvm.lvknet> (raw)
In-Reply-To: <20110119083916.GA2166@elte.hu>
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В Wed, 19 Jan 2011 09:39:16 +0100
Ingo Molnar <mingo@elte.hu> пишет:
>
> .38-rc1 allyes64 bootup locks up soft, but first produces this lockdep splat:
>
[snip]
> That's probably one of these commits:
>
> 563558b2c735: pps: add parallel port PPS signal generator
> 46b402a0e5e4: pps: add parallel port PPS signal generator
> a10203c691ea: pps: add parallel port PPS client
>
> Plus CONFIG_PPS_CLIENT_PARPORT=y.
>
> This feature seems rather untested - this is a plain whitebox PC with a parallel
> port.
I'm investigating this. Thanks for the report!
> Btw., why does 46b402a0e5e4 and 563558b2c735 have the same title?
Well, 46b402a0e5e4 refers to version 6 of my patchset and 563558b2c735
is a diff between version 6 and 7. I've seen from the e-mails from
Andrew that I received that he added both patches and then folded the
latter into the former. The same thing happened with several other
patches but only these two sneaked in. Maybe this is a bug in the
software (quilt?).
--
Alexander
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next prev parent reply other threads:[~2011-01-20 13:04 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-18 23:54 Linux 2.6.38-rc1 Linus Torvalds
2011-01-19 2:07 ` Linus Torvalds
2011-01-19 3:42 ` Justin Mattock
2011-01-19 3:53 ` Linus Torvalds
2011-01-19 4:05 ` Justin Mattock
2011-01-19 5:10 ` nobody
2011-01-19 5:42 ` Linus Torvalds
2011-01-19 5:56 ` Linus Torvalds
2011-01-19 18:07 ` Steven Rostedt
2011-01-19 18:26 ` Linus Torvalds
2011-01-21 3:23 ` tag&track [Re: Linux 2.6.38-rc1] nobody
2011-01-21 8:24 ` Alexey Dobriyan
2011-01-23 8:13 ` Linux 2.6.38-rc1 Török Edwin
2011-01-19 7:39 ` Linux 2.6.38-rc1 doesn't boot Markus Trippelsdorf
2011-01-19 7:46 ` Shaohua Li
2011-01-19 7:55 ` Markus Trippelsdorf
2011-01-19 7:49 ` Markus Trippelsdorf
2011-01-19 8:12 ` Shaohua Li
2011-01-19 8:56 ` H. Peter Anvin
2011-01-19 9:09 ` Ingo Molnar
2011-01-20 2:08 ` Shaohua Li
2011-01-20 3:32 ` Lu, Hongjiu
2011-01-20 11:25 ` Ingo Molnar
2011-01-20 15:08 ` Anvin, H Peter
2011-01-21 7:18 ` Shaohua Li
2011-01-21 7:55 ` Shaohua Li
2011-01-21 15:28 ` H. Peter Anvin
2011-01-21 15:37 ` Lu, Hongjiu
2011-01-21 21:09 ` Ingo Molnar
2011-01-19 9:33 ` [tip:x86/urgent] Revert "x86: Make relocatable kernel work with new binutils" tip-bot for Ingo Molnar
2011-01-20 4:59 ` Linux 2.6.38-rc1 doesn't boot Alexandre Courbot
2011-01-19 8:39 ` PPS parport boot lockup: INFO: HARDIRQ-READ-safe -> HARDIRQ-READ-unsafe lock order detected Ingo Molnar
2011-01-20 13:04 ` Alexander Gordeev [this message]
2011-01-21 14:44 ` Alexander Gordeev
2011-01-21 16:37 ` Linus Torvalds
2011-01-21 19:43 ` Ingo Molnar
2011-01-24 23:28 ` Alexander Gordeev
2011-01-24 23:46 ` [PATCH] pps: claim parallel port exclusively Alexander Gordeev
2011-01-25 0:19 ` Ingo Molnar
2011-01-24 15:00 ` PPS parport boot lockup: INFO: HARDIRQ-READ-safe -> HARDIRQ-READ-unsafe lock order detected Alexander Gordeev
2011-01-24 15:12 ` [PATCH] parport: make lockdep happy with waitlist_lock Alexander Gordeev
2011-01-24 15:28 ` Ingo Molnar
2011-01-24 15:33 ` Alexander Gordeev
2011-01-19 12:02 ` percpu related boot crash on x86 (was: Linux 2.6.38-rc1) Ingo Molnar
2011-01-19 12:44 ` Tejun Heo
2011-01-19 12:48 ` Peter Zijlstra
2011-01-19 12:56 ` Pekka Enberg
2011-01-19 13:12 ` Peter Zijlstra
2011-01-19 13:13 ` Tejun Heo
2011-01-19 20:53 ` Ingo Molnar
2011-01-19 23:11 ` Ingo Molnar
2011-01-20 8:31 ` percpu related boot crash on x86 Pekka Enberg
2011-01-20 10:47 ` Peter Zijlstra
2011-01-20 11:12 ` Eric Dumazet
2011-01-20 11:19 ` Tejun Heo
2011-01-20 11:06 ` [PATCH 1/2] lockdep: move early boot local IRQ enable/disable status to init/main.c Tejun Heo
2011-01-20 11:07 ` [PATCH 2/2] smp: allow on_each_cpu() to be called while early_boot_irqs_disabled " Tejun Heo
2011-01-20 20:22 ` [tip:core/urgent] smp: Allow " tip-bot for Tejun Heo
2011-01-20 11:11 ` [PATCH 1/2] lockdep: move early boot local IRQ enable/disable " Tejun Heo
2011-01-20 11:23 ` Peter Zijlstra
2011-01-20 11:26 ` Tejun Heo
2011-01-20 11:30 ` Pekka Enberg
2011-01-20 11:38 ` Peter Zijlstra
2011-01-20 12:00 ` Ingo Molnar
2011-01-20 12:20 ` [PATCH UPDATED " Tejun Heo
2011-01-20 11:51 ` [PATCH " Ingo Molnar
2011-01-20 20:21 ` [tip:core/urgent] lockdep: Move " tip-bot for Tejun Heo
2011-01-19 21:40 ` Linux 2.6.38-rc1 Alan Cox
2011-01-21 15:30 ` Aaro Koskinen
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