linux-kernel - Re: Linux 2.6.35

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Date:	Mon, 2 Aug 2010 18:08:12 +0200
From:	Harald Hoyer <harald.hoyer@...il.com>
To:	Donald Parsons <dparsons@...ghtdsl.net>
Cc:	Bjorn Helgaas <bjorn.helgaas@...com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Linux 2.6.35

On Mon, Aug 2, 2010 at 6:21 AM, Donald Parsons <dparsons@...ghtdsl.net> wrote:
> On Sun, 2010-08-01 at 21:38 -0600, Bjorn Helgaas wrote:
>> On Sunday, August 01, 2010 08:31:02 pm Donald Parsons wrote:
>> > 2.6.35 still fails to boot for me, as first reported here:
>> >  http://lkml.indiana.edu/hypermail/linux/kernel/1007.3/01144.html
>> >
>> > I've manually bisected it down to around May 20 between
>> >   2.6.34-git4 (boots) and 2.6.34-git5 (boot fails)
>> > Also -git[23] boot, and -git8, -rc[126], rc6-git[136] all fail.
>> >
>> > Unfortunately first time I tried was with 2.6.35-rc6 and
>> > it failed to boot.
>> >
>> > Failure when switching from initramfs to real /root?
>> > Removing kernel "quiet" param appears to show several
>> > lines listing:
>> >
>> >   usb drives/hubs? followed by
>> >   dracut switching root (when booting works)
>> >               or
>> >   usb drives/hubs? followed by
>> >         (missing dracut... line)
>> >   No root device found
>> >   Boot has failed, sleeping forever.   (when it does not boot)
>> >
>> > Grub, typical entry:
>> > title Fedora (2.6.35)
>> >     root (hd0,0)
>> >     kernel /vmlinuz-2.6.35 ro
>> > root=UUID=686dc496-8814-4c36-8fb7-5ded2916e825 rhgb
>> > SYSFONT=latarcyrheb-sun16 LANG=en_US.UTF-8 KEYTABLE=us
>> > rdblacklist=nouveau init=/sbin/bootchartd
>> >     initrd /initramfs-2.6.35.img
>> >
>> >
>> > My boot failure seems to be different than other two reported
>> > in the thread "2.6.35-rc6-git6: Reported regressions from 2.6.34"
>> > under Bug #16173 and #16228
>>
>> Will it boot with the "pci=nocrs" option?  If so, please open a
>
> No, I tried this on a few attempts when I saw it mentioned under
> bug #16228.  But it had no effect/benefit.  Sorry, I should have
> mentioned this.
>
>> report at https://bugzilla.kernel.org, mark it a regression, assign
>> it to me, and attach the complete dmesg log.  And please respond to
>> this thread with a pointer to the bugzilla.
>>
>> Otherwise, a complete console log should have a clue.  The best
>> thing would be a log from a serial console or netconsole, with
>> "ignore_loglevel".
>
> Maybe I will try netconsole tomorrow.  But is Ethernet up when
> this boot failure happens?  I think not, since initramfs should
> not need networking.
>
> Should I try building sata driver into kernel?  Oh, I am using
> ext3, and fdisk -l shows:

# dracut --add-drivers "sata" ....

or edit /etc/dracut.conf:

add_drivers+=" sata "
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