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[debbugs-tracker] bug#24130: closed (RAID config boot hangs at [...] Clo


From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#24130: closed (RAID config boot hangs at [...] Clocksource: Switched to clocksource tsc)
Date: Fri, 13 Jan 2017 08:05:02 +0000

Your message dated Fri, 13 Jan 2017 09:04:11 +0100
with message-id <address@hidden>
and subject line Re: bug#24130: RAID config boot hangs at [...] Clocksource: 
Switched to clocksource tsc
has caused the debbugs.gnu.org bug report #24130,
regarding RAID config boot hangs at [...] Clocksource: Switched to clocksource 
tsc
to be marked as done.

(If you believe you have received this mail in error, please contact
address@hidden)


-- 
24130: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24130
GNU Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: RAID config boot hangs at [...] Clocksource: Switched to clocksource tsc Date: Mon, 01 Aug 2016 21:43:17 -0400 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)
I am attempting to set up RAID.  First, following the doc, I ended up
with system39.scm, attached, excerpt below:

(operating-system
  (host-name "g1")
  (timezone "America/New_York")
  (locale "en_US.utf8")
  (bootloader (grub-configuration (device "/dev/sda")))
  (initrd (lambda (fs . args)
            (apply base-initrd fs
                   #:extra-modules '("raid1")
                   #:mapped-devices '((mapped-device
                                       (source (list "/dev/sdb1" "/dev/sdc1"))
                                       (target "/dev/md0")
                                       (type raid-device-mapping)))             
                      
                   args)))
  (file-systems (cons (file-system
                        (device "ssd-root")
                        (title 'label)
                        (mount-point "/")
                        (type "ext4"))
                      %base-file-systems))

In this config I was attempting to have the array assembled, but not
mounted after the boot. It did not look promissing that 'guix system
reconfigure system39.scm' did not assemble the array. Then as one might
expect, the resulting system boots but the array is not assembled.

After a couple helpful exchanges with Andreas on the devel list, I ended
up with system40.scm, attached, excerpt below:

(define md0
  (mapped-device
   (source (list "/dev/sdb1" "/dev/sdc1"))
   (target "/dev/md0")
   (type raid-device-mapping)))
(operating-system
  (host-name "g1")
  (timezone "America/New_York")
  (locale "en_US.utf8")
  (bootloader (grub-configuration (device "/dev/sda")))
  (mapped-devices (list md0))
  ;; Add a kernel module for RAID-1.
  (initrd (lambda (file-systems . rest)
            (apply base-initrd file-systems
                   #:extra-modules '("raid1")
                   rest)))
  (file-systems (cons*
                 (file-system
                   (device "ssd-root")
                   (title 'label)
                   (mount-point "/")
                   (type "ext4"))
                 (file-system
                   (title 'device)
                   (device "/dev/md0")
                   (dependencies (list md0))
                   (mount-point "/mnt/md0")
                   (create-mount-point? #t)
                   (type "ext4"))
                 %base-file-systems))


Here the intent is to have the array assembled and mounted after the
boot. It looked promissing when 'guix system reconfigure system40.scm'
assembled and mounted the array (see system40.log). But on reboot the
system hangs with the console showing:

[...] clocksource: Switched to clocksource tsc

And /var/log/sheperd.log contains:

2016-08-01 18:15:13 Service root has been started.
2016-08-01 18:15:13 ERROR: In procedure scm-error:
2016-08-01 18:15:13 ERROR: no code for module (gnu build file-systems)
2016-08-01 18:15:13 
2016-08-01 18:15:13 Entering a new prompt.  Type `,bt' for a backtrace or `,q' 
to continue.
2016-08-01 18:15:13 GNU Guile 2.0.11
2016-08-01 18:15:13 Copyright (C) 1995-2014 Free Software Foundation, Inc.
2016-08-01 18:15:13 
2016-08-01 18:15:13 Guile comes with ABSOLUTELY NO WARRANTY; for details type 
`,show w'.
2016-08-01 18:15:13 This program is free software, and you are welcome to 
redistribute it
2016-08-01 18:15:13 under certain conditions; type `,show c' for details.
2016-08-01 18:15:13 
2016-08-01 18:15:13 Enter `,help' for help.

For this config, /var/log/messages (messages40.log) is also attached.

TIA - George


Attachment: messages40.log
Description: Binary data

Attachment: system40.log
Description: Binary data

Attachment: system40.scm
Description: Binary data

Attachment: system39.scm
Description: Binary data


--- End Message ---
--- Begin Message --- Subject: Re: bug#24130: RAID config boot hangs at [...] Clocksource: Switched to clocksource tsc Date: Fri, 13 Jan 2017 09:04:11 +0100 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)
myglc2 <address@hidden> skribis:

> On 01/11/2017 at 23:14 Ludovic Courtès writes:
>
>> Could you tell me if this bug is still relevant?
>
> Hi Ludo’,
>
> Sorry for the delay, I had to swap hardware around to revisit this.  I
> am now able to assemble 3 arrays as shown below, so I think you should
> close the bug.

Excellent, thanks for reporting back!

Ludo’.


--- End Message ---

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