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Ticket Resolution Summary Owner Reporter
#1926 fixed Linux guest, Mac OS X host: mouse wheel does not work as expected Roel van Os
Description

VirtualBox 1.6.4

Host: Mac OS X 10.5.1

Guest: Ubuntu Hardy (8.04), using guest additions 1.6.4

In Ubuntu Hardy guests, the scroll wheel performs vertical scrolling when I rotate the scroll wheel slowly, and horizontal scrolling when I rotate it more quickly. By setting the scrolling speed to Slow in Mac OS X System Settings -> Keyboard & Mouse, the scrolling works as expected, however the scrolling is now too slow in my host applications :-)

Mac OS X uses "accelerating scrolling": when you keep scolling, eventually the actual scrolling will speed up. It seems that Mac OS sends different scroll events when scrolling faster.

On the forums a similar problem was discussed, without a resolution: http://forums.virtualbox.org/viewtopic.php?t=8352&highlight=scroll

#1927 fixed Mounting loop device with file on vboxfs causes kernel oops Lubos Janica
Description

When I try mount filesystem with command:
mount -a
and I have not mounted directories /media/disk_e and /home/janica/PIM mount command will freeze and in dmesg I will find kernel oops.

Here is my /etc/fstab:

#-------------------------------------------------------------------
proc            /proc           proc    defaults        0       0
# /dev/sda1
UUID=ae29e22a-d727-4d91-a7da-42df9945419e /               ext3    relatime,errors=remount-ro 0       1
# /dev/sda5
UUID=c2bfc077-6764-4904-83dc-b4fda12e81be none            swap    sw              0       0
/dev/scd0       /media/cdrom0   udf,iso9660 user,noauto,exec,utf8 0       0
/dev/fd0        /media/floppy0  auto    rw,user,noauto,exec,utf8 0       0
/media/disk_e/PIM.img   /home/janica/PIM ext3   loop    2       0
d_drive         /media/disk_d   vboxsf  defaults        0       0
e_drive         /media/disk_e   vboxsf  defaults        0       0
#//10.0.2.2/projects    /media/disk_e   cifs    uid=1000,gid=6,auto,rw,guest,file_mode=0770,exec        0       0
LABEL=HOME      /home           ext3    defaults        0       0
#-------------------------------------------------------------------

Here is part of dmesg about kernel oops:

-------------------------------------------------------------------
[  244.690496] BUG: unable to handle kernel paging request at virtual address ff
ffffff
[  244.691764] printing eip: c0221165 *pde = 0047e067 *pte = 00000000
[  244.692112] Oops: 0000 [#1] SMP
[  244.694479] Modules linked in: binfmt_misc af_packet rfcomm l2cap bluetooth p
pdev ipv6 cpufreq_ondemand cpufreq_stats freq_table cpufreq_conservative cpufreq
_userspace cpufreq_powersave sbs container sbshc video output dock vboxvfs nls_c
p437 cifs iptable_filter ip_tables x_tables loop aes_i586 dm_crypt dm_mod lp snd
_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dumm
y parport_pc parport evdev psmouse serio_raw snd_seq_oss snd_seq_midi snd_rawmid
i ac battery snd_seq_midi_event snd_seq pcspkr snd_timer snd_seq_device button s
nd i2c_piix4 soundcore i2c_core snd_page_alloc vboxadd ext3 jbd mbcache sg sr_mo
d cdrom sd_mod floppy ehci_hcd ohci_hcd ahci usbcore e1000 ata_piix pata_acpi at
a_generic libata scsi_mod thermal processor fan fbcon tileblit font bitblit soft
cursor fuse
[  244.696107]
[  244.696715] Pid: 5861, comm: loop0 Not tainted (2.6.24-19-generic #1)
[  244.696930] EIP: 0060:[<c0221165>] EFLAGS: 00010082 CPU: 0
[  244.697425] EIP is at __percpu_counter_add+0x25/0xb0
[  244.697580] EAX: ffffffff EBX: 00000000 ECX: 00000000 EDX: 00000001
[  244.697759] ESI: d4ccd494 EDI: d9abed7c EBP: 00000008 ESP: d44c1e80
[  244.697991]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[  244.698210] Process loop0 (pid: 5861, ti=d44c0000 task=d6660000 task.ti=d44c0
000)
[  244.698370] Stack: d945c0b5 c1295da0 d4ccd494 00000001 00000000 c01b39ec 0000
0008 d6c94bb8
[  244.698463]        d6c94bb8 00000000 00000000 c1295da0 d4ccd3f0 c0173c55 0000
0000 c1295da0
[  244.698838]        c01ae066 d4ccd494 d4ccd494 d9abece0 c1295da0 d7bfa900 c016                                                          d95e 00000000
[  244.699201] Call Trace:
[  244.699726]  [<c01b39ec>] __set_page_dirty+0x9c/0x160
[  244.700101]  [<c0173c55>] set_page_dirty+0x25/0xa0
[  244.700390]  [<c01ae066>] simple_write_end+0x76/0xf0
[  244.700824]  [<c016d95e>] pagecache_write_end+0x5e/0x100
[  244.701491]  [<d8e6ecfa>] do_lo_send_aops+0x17a/0x1e0 [loop]
[  244.702447]  [<d8e6e5a0>] transfer_none+0x0/0xb0 [loop]
[  244.702969]  [<d8e6ea49>] loop_thread+0x339/0x470 [loop]
[  244.704841]  [<d8e6eb80>] do_lo_send_aops+0x0/0x1e0 [loop]
[  244.705586]  [<c0140c40>] autoremove_wake_function+0x0/0x40
[  244.705990]  [<d8e6e710>] loop_thread+0x0/0x470 [loop]
[  244.706296]  [<c0140982>] kthread+0x42/0x70
[  244.706463]  [<c0140940>] kthread+0x0/0x70
[  244.706804]  [<c0105677>] kernel_thread_helper+0x7/0x10
[  244.707304]  =======================
[  244.707407] Code: bc 27 00 00 00 00 83 ec 14 89 5c 24 04 89 74 24 08 89 7c 24                                                           0c 89 c7 89 6c 24 10 8b 40 14 64 8b 1d 08 60 47 c0 8b 6c 24 18 f7 d0 <8b> 1c 98                                                           89 1c 24 8b 03 89 c3 89 c6 c1 fe 1f 01 d3 89 ea 11 ce
[  244.708090] EIP: [<c0221165>] __percpu_counter_add+0x25/0xb0 SS:ESP 0068:d44c                                                          1e80
[  244.708658] ---[ end trace 8f8c7777ebae6040 ]---
-------------------------------------------------------------------

Guest is Ubuntu Linux
lsb-release:
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu 8.04.1"
uname -a
Linux vljanica 2.6.24-19-generic #1 SMP Fri Jul 11 23:41:49 UTC 2008 i686 GNU/Linux

Host is Windows XP SP3 with all patches (32-bit)

#1928 fixed file size errors on ext3 shared folder tsr
Description

My virtualbox_1.6.4-33808_Ubuntu_gutsy_i386.deb sometimes sets the size of files in a shared folder incorrectly. When it happens they appear much bigger (on the host as well as the guest) than they actually are. When i "look" at these files they seem to have the null character appended countless times, but they dont seem to actually occupy the additional diskspace.

The problem occurs with torrent downloads, so the data is written directly into the shared folder chunk by chunk as its being downloaded. It does not happen to all files. Host&Guest are Ubuntu 7.10. The shared folder is mounted like this in the fstab:

fls /media/files vboxsf rw,uid=user 0 0

I have just noticed that the logfile becomes quite big (~450mb for 2 days uptime). Maybe i should also mention that the hosts cpu is often maxed out.

These are the tailing lines of a log:

---

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7e036f8

remR3NotifyTrap: uTrap=ff error=0 next_eip=00000002 eip=00000000 cr2=b7eb4580

remR3NotifyTrap: uTrap=d error=7fa next_eip=00000000 eip=00000000 cr2=b7eb4580

remR3NotifyTrap: uTrap=ff error=0 next_eip=00000002 eip=00000000 cr2=b7eb4580

remR3NotifyTrap: uTrap=d error=7fa next_eip=00000000 eip=00000000 cr2=b7eb4580

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7e036f8

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7e036f8

remR3NotifyTrap: uTrap=ef error=0 next_eip=00000000 eip=c02f60c9 cr2=b7e036f8

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7e036f8

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7e036f8

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7de46f8

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7de46f8

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7de46f8

remR3NotifyTrap: uTrap=7 error=0 next_eip=08048e00 eip=08048e00 cr2=b7f7f451

remR3NotifyTrap: uTrap=e error=3 next_eip=c01feac2 eip=c01feac2 cr2=b7de46f8

---

I'm posting this bug report after having posted this on the forum earlier: http://forums.virtualbox.org/viewtopic.php?t=8534

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