* Re: [Bugme-new] [Bug 14174] New: floppy drive not usable more than one time after reboot - kernel panic with active DVB
[not found] <bug-14174-10286@http.bugzilla.kernel.org/>
@ 2009-09-14 22:13 ` Andrew Morton
2009-09-14 23:23 ` Mauro Carvalho Chehab
0 siblings, 1 reply; 2+ messages in thread
From: Andrew Morton @ 2009-09-14 22:13 UTC (permalink / raw)
To: alexander.koenig; +Cc: bugzilla-daemon, bugme-daemon, linux-media
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Sun, 13 Sep 2009 15:08:21 GMT
bugzilla-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=14174
>
> Summary: floppy drive not usable more than one time after
> reboot - kernel panic with active DVB
> Product: IO/Storage
> Version: 2.5
> Kernel Version: 2.6.27.29-0.1-vanilla x86_64 SMP
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: Other
> AssignedTo: io_other@kernel-bugs.osdl.org
> ReportedBy: alexander.koenig@koenig-a.de
> Regression: No
>
>
> This bug report is afollow-up of my report already posted in the OPENSuse
> bugzilla at https://bugzilla.novell.com/show_bug.cgi?id=421732
> You can find detailed information of my hardware and software configuration
> there.
>
> Short System description:
> - CPU: AMD Phenom X4 9550 4x2.2GHz (95W) 65nm Quad Core
> - Memory: 4GB - 2x2048MB DDR2-800 CL5, Dual Channel 2x1024MB
> - Motherboard: GIGABYTE GA-MA770-DS3
> - Graphics NVidia GeForce 7300 GS, 256MB, TV-Out, DVI, PCIe
> - Floppy: 1.44MB
> - 1. hard disk: 500GB Seagate 7200 RPM SATA II
> - 2. hard disk: 500GB Seagate 7200 RPM SATA II
> - DVD-ROM: Optiarc DDU 1615 16x/48x, IDE
> - DVD-RW: NEC AD-7200, IDE
> - SCSI-Controller: Adaptec 2940 SCSI adapter, SCSI ID: 7
> - DVB controller: Technotrend/Hauppauge DVB card rev2.1
>
> Symptoms:
> The first command to the floppy drive after re-boot seems to work, all
> subsequent access to the floppy drive - with the same disk or with any other -
> fail (floppy LED is on, floppy drive moves, but no positive result). See log of
> a terminal session below:
>
> alexande@asterix:~> mdir
> Volume in drive A has no label
> Volume Serial Number is 2828-50E1
> Directory for A:/
>
> autoexec bat 1142 1998-05-15 20:01 autoexec.bat
> setramd bat 881 1998-05-15 20:01 setramd.bat
> findramd exe 6855 1998-05-15 20:01 findramd.exe
> aspi4dos sys 14386 1998-05-15 20:01 aspi4dos.sys
> aspicd sys 29620 1998-05-15 20:01 aspicd.sys
> aspi2dos sys 35330 1998-05-15 20:01 aspi2dos.sys
> aspi8u2 sys 40792 1998-05-15 20:01 aspi8u2.sys
> extract exe 93242 1998-05-15 20:01 extract.exe
> drvspace bin 69079 1998-05-15 20:01 drvspace.bin
> himem sys 33447 1998-05-15 20:01 himem.sys
> ebd cab 276324 1998-05-15 20:01 ebd.cab
> country sys 30742 1998-05-15 20:01 country.sys
> mode com 29815 1998-05-15 20:01 mode.com
> keyb com 20023 1998-05-15 20:01 keyb.com
> ebd sys 0 2000-01-08 10:09 ebd.sys
> io sys 222390 1998-05-15 20:01 io.sys
> config sys 860 2003-11-16 0:26 config.sys
> readme txt 16216 1998-05-15 20:01 readme.txt
> ramdrive sys 12823 1998-05-15 20:01 ramdrive.sys
> btcdrom sys 21971 1998-05-15 20:01 btcdrom.sys
> btdosm sys 30955 1998-05-15 20:01 btdosm.sys
> aspi8dos sys 37564 1998-05-15 20:01 aspi8dos.sys
> flashpt sys 64425 1998-05-15 20:01 flashpt.sys
> fdisk exe 64956 1998-05-15 20:01 fdisk.exe
> command com 96360 1998-05-15 20:01 command.com
> oakcdrom sys 41302 1998-05-15 20:01 oakcdrom.sys
> display sys 17191 1998-05-15 20:01 display.sys
> ega cpi 58870 1998-05-15 20:01 ega.cpi
> keyboard sys 34566 1998-05-15 20:01 keyboard.sys
> msdos sys 9 2000-01-08 10:09 msdos.sys
> toshv224 sys 13720 2003-11-16 0:24 toshv224.sys
> 31 files 1 415 856 bytes
> 33 792 bytes free
>
> alexande@asterix:~> mdir
> init A: non DOS media
> Cannot initialize 'A:'
> alexande@asterix:~> mdir
> init A: non DOS media
> Cannot initialize 'A:'
> alexande@asterix:~> mount /media/floppy
> mount: blockorientiertes Ger__t /dev/fd0 ist schreibgesch__tzt, wird eingeh__ngt
> im Nur-Lese-Modus
> mount: konnte Dateisystemtyp nicht feststellen, und es wurde keiner angegeben
> ---> floppy removed from drive <---
> alexande@asterix:~> mount /media/floppy
> mount: /dev/fd0 ist kein g__ltiges blockorientiertes Ger__t
> ---> inserted another floppy into the drive <---
> alexande@asterix:~> mount /media/floppy
> mount: blockorientiertes Ger__t /dev/fd0 ist schreibgesch__tzt, wird eingeh__ngt
> im Nur-Lese-Modus
> mount: konnte Dateisystemtyp nicht feststellen, und es wurde keiner angegeben
> ---> removed floppy from drive <---
> alexande@asterix:~> mdir
> Can't open /dev/fd0: No such device or address
> Cannot initialize 'A:'
> ---> inserted floppy into drive <---
> alexande@asterix:~> mdir
> init A: non DOS media
> Cannot initialize 'A:'
> alexande@asterix:~> mdir
> init A: non DOS media
> Cannot initialize 'A:'
> alexande@asterix:~>
>
> All disks used for these experiments (Windows 98 installation boot disk, SuSE
> Linux 8.1 boot disk) work perfectly on a openSUSE 10.3 32bit system.
>
> Both disks work as boot disks on my 64 bit system, the Windows boot disk boots
> into DOS, where all file commands work on the floppy.
>
>
> The above behavior is the same with the SUSE kernel and the vanilla kernel, if
> the drivers for my DVB card (Technotrend/Hauppauge DVB card rev2.1) are not
> active. With the SUSE kernel no obvious change with active DVB.
>
> With the vanilla kernel, however, 9 of 10 attempts to use the floppy (mdir
> command) lead to a "General protection fault" and "Kernel panic" if DVB is
> active (see attachments).
>
hm, hard.
Dunno about the floppy problem but this photo you took:
https://bugzillafiles.novell.org/attachment.cgi?id=318005
shows a good solid oops in dvb_dmx_memcopy().
However that's just a memcpy(), and we have no info about who called it.
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