(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@xxxxxxxxxxxxxxxxxxx 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@xxxxxxxxxxxxxxxxxxxx > ReportedBy: alexander.koenig@xxxxxxxxxxx > 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. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html