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From: Gabriel Paubert <paubert@iram.es>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org,
	Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
	linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 00/18] ide: warm-plug support for IDE devices and other goodies
Date: Wed, 13 Feb 2008 11:08:20 +0100	[thread overview]
Message-ID: <20080213100820.GA19955@iram.es> (raw)
In-Reply-To: <20080212123002.GA11000@iram.es>

On Tue, Feb 12, 2008 at 01:30:03PM +0100, Gabriel Paubert wrote:
> On Tue, Feb 12, 2008 at 12:49:05PM +0100, Gabriel Paubert wrote:
> > On Fri, Feb 08, 2008 at 07:40:43PM +1100, Benjamin Herrenschmidt wrote:
> > > 
> > > On Fri, 2008-02-08 at 01:44 +0100, Bartlomiej Zolnierkiewicz wrote:
> > > > - couple of fixes and preparatory patches
> > > > 
> > > > - rework of PowerMac media-bay support ([un]register IDE devices instead of
> > > >   [un]registering IDE interface) [ it is the main reason for spamming PPC ML ]
> > > 
> > > Interesting... I was thinking about doing a full remove of the device at
> > > a higher level instead but I suppose what you propose is easier.
> > 
> > Well, I have serious problem on a Pegasos which appeared some time
> > between 2.6.24 and 2.6.25-rc1: at boot I get an infinite string of 
> > 
> > hdb: empty DMA table?
> > 
> > I'm trying to bisect it right now.
> 
> Argh, the first bisect point ended up with timeouts on hdb...
> 
> Flagged as bad, to try to see when the problems started, but 
> I suspect that there are several.

Well, it's worse than this. After 7 or 8 bisections (all flagged
bad) the symptoms changed: the system boots up to the point where
it does not recognize LVM volumes. So there are at least 3 bugs:
1) the timeout on interrupts (only seen on hdb)
2) the empty DMA table messages (seen on hda and hdb)
3) the inability to see logical volumes ("pvs" does not find them,
  they are back when rebooting into 2.6.24). This is the apparently
  the earliest introduced bug (no problems with the disks with that
  version).

I am away from that machine until next Tuesday. IIRC the last git
bisect was something like 160 revisions left.

	Gabriel

> 
> 	Gabriel
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@ozlabs.org
> https://ozlabs.org/mailman/listinfo/linuxppc-dev

  reply	other threads:[~2008-02-13 10:08 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-08  0:44 [PATCH 00/18] ide: warm-plug support for IDE devices and other goodies Bartlomiej Zolnierkiewicz
2008-02-08  0:44 ` [PATCH 01/18] ide-generic: set hwif->chipset Bartlomiej Zolnierkiewicz
2008-02-08  0:44 ` [PATCH 02/18] ide: fix ide_find_port() Bartlomiej Zolnierkiewicz
2008-02-08 17:23   ` Sergei Shtylyov
2008-02-08  0:44 ` [PATCH 03/18] ide: use ide_find_port() instead of ide_deprecated_find_port() Bartlomiej Zolnierkiewicz
2008-02-08  0:44 ` [PATCH 04/18] ide-acpi: add missing drive->acpidata zeroing Bartlomiej Zolnierkiewicz
2008-02-08  0:44 ` [PATCH 05/18] ide: factor out cable detection from ide_init_port() Bartlomiej Zolnierkiewicz
2008-02-08 17:18   ` Sergei Shtylyov
2008-02-08  0:45 ` [PATCH 06/18] ide: factor out code unregistering devices from ide_unregister() Bartlomiej Zolnierkiewicz
2008-02-09 18:07   ` Sergei Shtylyov
2008-02-08  0:45 ` [PATCH 07/18] ide: factor out devices init from ide_init_port_data() Bartlomiej Zolnierkiewicz
2008-02-09 18:10   ` Sergei Shtylyov
2008-02-08  0:45 ` [PATCH 08/18] ide: move ide_port_setup_devices() call to ide_device_add_all() Bartlomiej Zolnierkiewicz
2008-02-08 17:20   ` Sergei Shtylyov
2008-02-08  0:45 ` [PATCH 09/18] ide: rework PowerMac media-bay support Bartlomiej Zolnierkiewicz
2008-02-13  7:29   ` Michael Ellerman
2008-02-13 12:26     ` Bartlomiej Zolnierkiewicz
2008-02-08  0:45 ` [PATCH 10/18] ide: add warm-plug support for IDE devices Bartlomiej Zolnierkiewicz
2008-02-08  0:45 ` [PATCH 11/18] ide-generic: add ide_generic class and attribute for adding new interfaces Bartlomiej Zolnierkiewicz
2008-02-08  0:45 ` [PATCH 12/18] ide: remove needless CONFIG_BLK_DEV_HD hack from init_hwif() Bartlomiej Zolnierkiewicz
2008-02-08  0:45 ` [PATCH 13/18] ide: remove CONFIG_BLK_DEV_HD_IDE config option Bartlomiej Zolnierkiewicz
2008-02-08  0:45 ` [PATCH 14/18] ide: remove obsoleted "idex=base[, ctl[, irq]]" kernel parameters Bartlomiej Zolnierkiewicz
2008-02-08  0:46 ` [PATCH 15/18] ide: remove broken/dangerous HDIO_[UNREGISTER, SCAN]_HWIF ioctls Bartlomiej Zolnierkiewicz
2008-03-27 17:38   ` Sergei Shtylyov
2008-03-28 19:14     ` Mark Lord
2008-03-29 16:10       ` Bartlomiej Zolnierkiewicz
2008-03-29 16:03     ` Bartlomiej Zolnierkiewicz
2008-02-08  0:46 ` [PATCH 16/18] ide: remove ->hold field from ide_hwif_t Bartlomiej Zolnierkiewicz
2008-02-08  0:46 ` [PATCH 17/18] ide: remove init_hwif_default() Bartlomiej Zolnierkiewicz
2008-02-08  0:46 ` [PATCH 18/18] ide: remove ide_init_hwif_ports() Bartlomiej Zolnierkiewicz
2008-02-08  8:40 ` [PATCH 00/18] ide: warm-plug support for IDE devices and other goodies Benjamin Herrenschmidt
2008-02-12 11:49   ` Gabriel Paubert
2008-02-12 12:30     ` Gabriel Paubert
2008-02-13 10:08       ` Gabriel Paubert [this message]
2008-02-12 20:59     ` Benjamin Herrenschmidt
2008-02-12 21:04   ` Benjamin Herrenschmidt
2008-02-12 21:41     ` Alan Cox
2008-02-12 22:00       ` Benjamin Herrenschmidt
2008-02-12 21:54     ` Bartlomiej Zolnierkiewicz

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