dscheck(vn0): b_bcount 2 is not on a sector boundary

Martin Aleksandrov Ivanov martin.ivanov at greenpocket.de
Thu Jun 11 00:32:07 PDT 2020


Hello Jonathan,

I would not say I have trouble with mate. Everything works all right 
except these complaints I get at boot before even starting the Xorg 
server. If I remove the mate/gnome desktop from the system I get no 
complaints. They seem to install some service that get started at the 
end of the boot process and complains, but I do not know which.

Best regards,

Martin

On 2020-06-10 22:40, Jonathan Engwall wrote:
> With kde or xfce4 you have no trouble?
> There are a couple more desktop options at least. While the topic of 
> "magic" is not one that Iam familiar with, as far as partitioning goes 
> you have a couple options.
> On the other hand, a complaint during boot is not unusual. You can 
> look through dmesg a find maybe a few more.
> It is interesting.
>
> On Wed, Jun 10, 2020, 12:00 PM <users-request at dragonflybsd.org 
> <mailto:users-request at dragonflybsd.org>> wrote:
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>        1. Re: ?? 1. dscheck(vn0): b_bcount 2 is not on a sector
>           boundary (Martin Aleksandrov Ivanov)
>
>
>     ----------------------------------------------------------------------
>
>     Message: 1
>     Date: Wed, 10 Jun 2020 07:38:28 +0200
>     From: Martin Aleksandrov Ivanov <martin.ivanov at greenpocket.de
>     <mailto:martin.ivanov at greenpocket.de>>
>     To: Jonathan Douglas Engwall <engwalljonathanthereal at gmail.com
>     <mailto:engwalljonathanthereal at gmail.com>>,
>             "users at dragonflybsd.org <mailto:users at dragonflybsd.org>"
>     <users at dragonflybsd.org <mailto:users at dragonflybsd.org>>
>     Subject: Re: ?? 1. dscheck(vn0): b_bcount 2 is not on a sector
>             boundary
>     Message-ID: <27bbb241-2709-cf45-134f-6ff259b683c8 at greenpocket.de
>     <mailto:27bbb241-2709-cf45-134f-6ff259b683c8 at greenpocket.de>>
>     Content-Type: text/plain; charset="utf-8"; Format="flowed"
>
>     Hello Jonathan,
>
>     thank you very much for your reply. What I find strange is that these
>     complaints only occur after installing mate or gnome. Without mate or
>     gnome there are no complaints. Also, in a previous post I attached
>     the
>     boot messages from a verbose boot. They additionally spewed this out:
>
>     md1: invalid primary partition table: no magic.
>
>     I guess this has something to do with the fact that after installing
>     DragonFly, I used OpenBSD to change a partition type on the same hard
>     drive to A6 and Linux to change another partition type to 8e00. Maybe
>     these manipulations by tools from other OSs have somehow changed the
>     partition table so that DragonFly now complains?
>
>     Anyway, apart from these complaints the system works perfectly.
>     Unless I
>     get further clues, I am going to ignore the complaints.
>
>     Best regards,
>
>     Martin
>
>     On 2020-06-09 17:17, Jonathan Douglas Engwall wrote:
>     >
>     > On June 9, 2020, at 4:35 AM, users-request at dragonflybsd.org
>     <mailto:users-request at dragonflybsd.org> wrote:
>     >
>     > >Send Users mailing list submissions to
>     > >users at dragonflybsd.org <mailto:users at dragonflybsd.org>
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>     > >http://lists.dragonflybsd.org/mailman/listinfo/users
>     > >or, via email, send a message with subject or body 'help' to
>     > >users-request at dragonflybsd.org
>     <mailto:users-request at dragonflybsd.org>
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>     > >When replying, please edit your Subject line so it is more specific
>     > >than "Re: Contents of Users digest..."
>     > >Today's Topics:
>     > >?? 1. dscheck(vn0): b_bcount 2 is not on a sector boundary
>     > >????? (Martin Aleksandrov Ivanov)
>     > >?? 2. RE: dscheck(vn0): b_bcount 2 is not on a sector boundary
>     > >????? (Martin Aleksandrov Ivanov)
>     >
>     >----------------------------------------------------------------------
>     > >Message: 1
>     > >Date: Tue, 9 Jun 2020 08:13:17 +0200
>     > >From: Martin Aleksandrov Ivanov <martin.ivanov at greenpocket.de
>     <mailto:martin.ivanov at greenpocket.de>>
>     > >To: users <users at dragonflybsd.org <mailto:users at dragonflybsd.org>>
>     > >Subject: dscheck(vn0): b_bcount 2 is not on a sector boundary
>     > >Message-ID:
>     <55ff039b-c051-b2f1-1f04-bb4e35127848 at greenpocket.de
>     <mailto:55ff039b-c051-b2f1-1f04-bb4e35127848 at greenpocket.de>>
>     > >Content-Type: text/plain; charset="utf-8"; format=flowed
>     > >Dear all,
>     > >I am running the latest DragonFly on an ASUS laptop:
>     > >marto at dragonfly% uname -a
>     > >DragonFly dragonfly 5.8-RELEASE DragonFly v5.8.1-RELEASE #1:
>     Thu May? 7
>     > >08:26:21 CEST 2020 root@:/usr/obj/usr/src/sys/X86_64_GENERIC?
>     x86_64
>     > >After installing the mete desktop, I get the following boot
>     messages:
>     > >dscheck(vn3): b_bcount 2 is not on a sector boundary (ssize 512)
>     > >dscheck(vn2): b_bcount 2 is not on a sector boundary (ssize 512)
>     > >dscheck(vn1): b_bcount 2 is not on a sector boundary (ssize 512)
>     > >dscheck(vn0): b_bcount 2 is not on a sector boundary (ssize 512)
>     > >md1: Malloc disk
>     > >If I remove mate and then do package autoremove, these boot
>     messages
>     > >disappear. After installing mate again, the messages reappear.
>     Do you
>     > >have an idea what these messages mean? Should I ignore them?
>     Everything
>     > >seems to run OK on my system.
>     > >After spitting the above 5 lines, dmesg continues like this:
>     > >[drm] Initialized
>     > >[drm] pdev:? vendor=0x8086? device=0x591b rev=0x04
>     > >[drm]?????? svendor=0x1043 sdevice=0x1970 irq=17
>     > >WARN_ON(domain->wake_count == 0)<4>WARN_ON(domain->wake_count ==
>     > >0)<4>WARN_ON(domain->wake_count == 0)<6>[drm] Memory usable by
>     graphics
>     > >device = 4096M
>     > >[drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>     > >[drm] Driver supports precise vblank timestamp query.
>     > >i915/kbl_dmc_ver1_01.bin: could not load firmware image, error 2
>     > >tunable drm.video.eDP-1 is not set
>     > >error: [drm:pid-1:csr_load_work_fn] *ERROR* Failed to load DMC
>     firmware
>     > >[https://01.org/linuxgraphics/intel-linux-graphics-firmwares],
>     disabling
>     > >runtime power management.
>     > >tunable drm.video.DP-1 is not set
>     > >tunable drm.video.HDMI-A-1 is not set
>     > >tunable drm.video.DP-2 is not set
>     > >drm1: taking over the fictitious range 0x40000000-0x50000000
>     > >kms console: xpixels 1920 ypixels 1080
>     > >[drm] RC6 on
>     > >[drm] Initialized i915 1.6.0 20160711 for (null) on minor 0
>     > >drm1 on vgapci1
>     > >md2: Malloc disk
>     > Malloy is a type of memory. Your system is complaining about video
>     > ram. If everything works, you can leave it?
>     > Everything works?
>     > >I guess some service is installed and turned on with the mate
>     desktop.
>     > >This service should be responsible for the messages. My hard
>     drive has 4
>     > >partitions that I created with gpt letting it automatically
>     determine
>     > >partition boundaries.
>     > >I am looking forward to your feedback. Any suggestions will be
>     > appreciated.
>     > >Best regards,
>     > >Martin
>     > >------------------------------
>     > >Message: 2
>     > >Date: Tue, 9 Jun 2020 11:34:58 +0200
>     > >From: Martin Aleksandrov Ivanov <martin.ivanov at greenpocket.de
>     <mailto:martin.ivanov at greenpocket.de>>
>     > >To: <users at dragonflybsd.org <mailto:users at dragonflybsd.org>>
>     > >Subject: RE: dscheck(vn0): b_bcount 2 is not on a sector boundary
>     > >Message-ID:
>     <c383aa94-a21b-caa3-fab8-71a198ca99fb at greenpocket.de
>     <mailto:c383aa94-a21b-caa3-fab8-71a198ca99fb at greenpocket.de>>
>     > >Content-Type: text/plain; charset="utf-8"; Format="flowed"
>     > >Hello,
>     > >I am attaching the output of the verbose boot log before
>     starting mate
>     > >(boot.log) and the output of dmesg issued from the runnig mate
>     desktop
>     > >(mateBoot.log)
>     > >Something new I notice is:
>     > >md1: invalid primary partition table: no magic
>     > >Best regards,
>     > >Martin
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