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

Wed Jun 10 13:40:13 PDT 2020

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> 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>
> To: Jonathan Douglas Engwall <engwalljonathanthereal at gmail.com>,
>         "users at dragonflybsd.org" <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>
> 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 wrote:
> >
> > >Send Users mailing list submissions to
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> > >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>
> > >To: users <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>
> > >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>
> > >To: <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>
> > >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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