Floppy mounten

Autor: Werner Holtfreter <Holtfreter_at_gmx.de>
Datum: Sun, 2 Oct 2011 17:01:10 +0200
Hallo,

Ubuntu (oder wohl eher der Linux-Kernel) hat seit mehreren Versionen
Schwierigkeiten, das Floppy zu mounten. Bugreport existiert, aber statt
Abhilfe gibt es nur wechselnde Workarounds. Der letzgültige, der darin
bestand, das Floppy genau zu beschreiben, geht nun auch nicht mehr:

sudo mount /dev/fd0u1440 /media/floppy0

Kann mir jemand erklären, was mir syslog (unten) sagen will?
Der Mountversuch beginnt in 16:40:34.

Viele Grüße
Werner Holtfreter

Oct  2 16:35:39 zuse gdm-session-worker[1596]: pam_sm_authenticate: Called
Oct  2 16:35:39 zuse gdm-session-worker[1596]: pam_sm_authenticate: username = [werner]
Oct  2 16:36:02 zuse rtkit-daemon[1608]: Successfully made thread 1788 of process 1788 (n/a) owned by '1000' high priority at nice level -11.
Oct  2 16:36:02 zuse rtkit-daemon[1608]: Supervising 1 threads of 1 processes of 1 users.
Oct  2 16:36:02 zuse rtkit-daemon[1608]: Successfully made thread 1802 of process 1788 (n/a) owned by '1000' RT at priority 5.
Oct  2 16:36:02 zuse rtkit-daemon[1608]: Supervising 2 threads of 1 processes of 1 users.
Oct  2 16:36:02 zuse rtkit-daemon[1608]: Successfully made thread 1803 of process 1788 (n/a) owned by '1000' RT at priority 5.
Oct  2 16:36:02 zuse rtkit-daemon[1608]: Supervising 3 threads of 1 processes of 1 users.
Oct  2 16:36:37 zuse NetworkManager[902]: <warn> couldn't retrieve connections: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the 
reply timeout expired, or the network connection was broken.
Oct  2 16:40:34 zuse sudo: pam_sm_authenticate: Called
Oct  2 16:40:34 zuse sudo: pam_sm_authenticate: username = [werner]
Oct  2 16:40:35 zuse kernel: [  403.026936] BUG: unable to handle kernel NULL pointer dereference at 0000000000000319
Oct  2 16:40:35 zuse kernel: [  403.026951] IP: [<ffffffff81199cd4>] blkdev_get+0x224/0x2c0
Oct  2 16:40:35 zuse kernel: [  403.026971] PGD 43b64067 PUD 525c8067 PMD 0 
Oct  2 16:40:35 zuse kernel: [  403.026980] Oops: 0000 [#1] SMP 
Oct  2 16:40:35 zuse kernel: [  403.026986] last sysfs file: /sys/devices/pci0000:00/0000:00:04.0/usb4/4-1/idProduct
Oct  2 16:40:35 zuse kernel: [  403.026995] CPU 1 
Oct  2 16:40:35 zuse kernel: [  403.026998] Modules linked in: vfat fat binfmt_misc vesafb nvidia(P) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer 
snd_seq_device uvcvideo snd videodev k8temp v4l2_compat_ioctl32 soundcore edac_core snd_page_alloc edac_mce_amd ppdev lp parport_pc pcspkr i2c_nforce2 parport reiserfs raid10 raid456 async_pq async_xor xor async_memcpy 
async_raid6_recov usbhid hid floppy sata_via pata_amd ahci libahci forcedeth raid6_pq async_tx raid1 raid0 multipath linear
Oct  2 16:40:35 zuse kernel: [  403.027075] 
Oct  2 16:40:35 zuse kernel: [  403.027081] Pid: 2225, comm: mount Tainted: P            2.6.38-11-generic #50-Ubuntu BIOSTAR Group GF7025-M2 TE/GF7025-M2 TE
Oct  2 16:40:35 zuse kernel: [  403.027093] RIP: 0010:[<ffffffff81199cd4>]  [<ffffffff81199cd4>] blkdev_get+0x224/0x2c0
Oct  2 16:40:35 zuse kernel: [  403.027104] RSP: 0018:ffff8800772c7ce8  EFLAGS: 00010246
Oct  2 16:40:35 zuse kernel: [  403.027108] RAX: 0000000000000000 RBX: ffffffffa0cb3000 RCX: ffff88007dedde80
Oct  2 16:40:35 zuse kernel: [  403.027114] RDX: 0000000000000000 RSI: ffff880076ec86d0 RDI: ffffffff81a02300
Oct  2 16:40:35 zuse kernel: [  403.027119] RBP: ffff8800772c7d48 R08: a000000000000000 R09: 0076ec86d0000000
Oct  2 16:40:35 zuse kernel: [  403.027124] R10: ff6b1396eb21b400 R11: 0000000000000000 R12: ffff880076ec8680
Oct  2 16:40:35 zuse kernel: [  403.027129] R13: 0000000000000000 R14: ffff880076ec8340 R15: 0000000000000083
Oct  2 16:40:35 zuse kernel: [  403.027140] FS:  00007f74ad9eb800(0000) GS:ffff88007dd00000(0000) knlGS:0000000000000000
Oct  2 16:40:35 zuse kernel: [  403.027146] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Oct  2 16:40:35 zuse kernel: [  403.027150] CR2: 0000000000000319 CR3: 00000000772fd000 CR4: 00000000000006e0
Oct  2 16:40:35 zuse kernel: [  403.027156] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Oct  2 16:40:35 zuse kernel: [  403.027162] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Oct  2 16:40:35 zuse kernel: [  403.027167] Process mount (pid: 2225, threadinfo ffff8800772c6000, task ffff880047b05b80)
Oct  2 16:40:35 zuse kernel: [  403.027172] Stack:
Oct  2 16:40:35 zuse kernel: [  403.027175]  ffff8800772c7cf8 0000000000000000 ffff880076ec8360 ffffffff81a02300
Oct  2 16:40:35 zuse kernel: [  403.027183]  0000000000000083 0000000000000000 ffff8800772c7d48 ffff880076ec8340
Oct  2 16:40:35 zuse kernel: [  403.027191]  0000000000000083 ffffffffa0cb3000 ffff880036f7bcf0 ffffffffa0cb3000
Oct  2 16:40:35 zuse kernel: [  403.027199] Call Trace:
Oct  2 16:40:35 zuse kernel: [  403.027211]  [<ffffffff81199e9d>] blkdev_get_by_path+0x3d/0x90
Oct  2 16:40:35 zuse kernel: [  403.027223]  [<ffffffff81167b81>] mount_bdev+0x61/0x210
Oct  2 16:40:35 zuse kernel: [  403.027233]  [<ffffffffa0caf270>] ? vfat_fill_super+0x0/0x30 [vfat]
Oct  2 16:40:35 zuse kernel: [  403.027244]  [<ffffffff8112b5a0>] ? __alloc_percpu+0x10/0x20
Oct  2 16:40:35 zuse kernel: [  403.027252]  [<ffffffffa0caf265>] vfat_mount+0x15/0x20 [vfat]
Oct  2 16:40:35 zuse kernel: [  403.027259]  [<ffffffff8116749d>] vfs_kern_mount+0x8d/0x280
Oct  2 16:40:35 zuse kernel: [  403.027267]  [<ffffffff81167704>] do_kern_mount+0x54/0x110
Oct  2 16:40:35 zuse kernel: [  403.027277]  [<ffffffff81184cfa>] do_mount+0x1ea/0x230
Oct  2 16:40:35 zuse kernel: [  403.027285]  [<ffffffff81185120>] sys_mount+0x90/0xe0
Oct  2 16:40:35 zuse kernel: [  403.027294]  [<ffffffff8100c002>] system_call_fastpath+0x16/0x1b
Oct  2 16:40:35 zuse kernel: [  403.027298] Code: 00 00 49 8d 7c 24 50 49 c7 44 24 50 00 00 00 00 31 f6 e8 b0 e2 ee ff 48 8b 7d b8 e8 57 ef e9 ff 66 90 45 85 ed 75 20 48 8b 45 a8 <f6> 80 19 03 00 00 01 74 13 41 83 e7 02 74 0d 41 80 
7e 64 00 74 
Oct  2 16:40:35 zuse kernel: [  403.027361] RIP  [<ffffffff81199cd4>] blkdev_get+0x224/0x2c0
Oct  2 16:40:35 zuse kernel: [  403.027369]  RSP <ffff8800772c7ce8>
Oct  2 16:40:35 zuse kernel: [  403.027373] CR2: 0000000000000319
Oct  2 16:40:35 zuse kernel: [  403.027380] ---[ end trace 16c3da4630028347 ]---
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