linux-kernel - Re: Linux 2.6.35

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Message-ID: <1280722876.5125.83.camel@falcon.homelinux.org>
Date:	Mon, 02 Aug 2010 00:21:16 -0400
From:	Donald Parsons <dparsons@...ghtdsl.net>
To:	Bjorn Helgaas <bjorn.helgaas@...com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: Linux 2.6.35

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:

Disk /dev/sda: 320.1 GB, 320072933376 bytes
   Device Boot  Start       End      Blocks   Id  System
/dev/sda1   *      1        50      401593+  83  Linux  (/boot)
/dev/sda2          51      7051    56235532+  83  Linux  (/)
/dev/sda3        7052      8377    10651095   82  Linux swap
/dev/sda4        8378     38913   245280420   83  Linux  ()
Disk /dev/sdb: 750.2 GB, 750156374016 bytes
/dev/sdb1          1     91201   732572001   83  Linux  (/home)

> Thanks a lot for your report!
> 
> Bjorn

And thanks for your interest!
Don



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