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Ticket Resolution Summary Owner Reporter
#11968 worksforme BUG: unable to handle kernel paging request at 00007f68dd821a00 Don Hughes
Description

I originally reported this to SuSE at: https://bugzilla.novell.com/show_bug.cgi?id=807062, but they have closed it as a VBox driver problem. I am still having the problem with VB 4.2.16 and the latest kernel. The problem seems to only happen on multiprocessor systems with the system under significant load.

(log removed)

#3042 duplicate BUG: unable to handle kernel paging request under Linux host & guest Rony Shapiro
Description

Host: Debian Etch using custom built kernel (2.18 based). Guest: Debian Lenny.

Occasionally, I get the following console/dmesg output. I think it occurred when I tried to ping from the guest via a host interface virtual NIC. The ping fails, btw, as arp relies appear to be ignored:

BUG: unable to handle kernel paging request at virtual address ffffff94

printing eip:

f8b13683 *pde = 00004067 *pte = 00000000 Oops: 0000 #1 SMP Modules linked in: vboxnetflt vboxdrv iscsi_tcp libiscsi scsi_transport_iscsi cr c32c libcrc32c button ac battery dm_snapshot dm_mirror dm_mod loop evdev pcspkr psmouse serio_raw rtc sg sr_mod cdrom ext3 jbd sd_mod amd74xx generic ide_core r 8169 ohci_hcd ehci_hcd forcedeth usbcore sata_nv libata scsi_mod thermal process or fan CPU: 0 EIP: 0060:[<f8b13683>] Not tainted VLI EFLAGS: 00010286 (2.6.18iscsitgt2 #1) EIP is at vboxNetFltLinuxXmitTask+0x17/0x17a [vboxnetflt] eax: 00000000 ebx: dfb6df60 ecx: dfbc4158 edx: 00000296 esi: e1d7f0b8 edi: ffffff5c ebp: 00000296 esp: dfb6df5c ds: 007b es: 007b ss: 0068 Process events/0 (pid: 6, ti=dfb6c000 task=dffefab0 task.ti=dfb6c000) Stack: dfb6df60 00000000 e1d7f0b4 e1d7f0b8 dfbc4140 00000296 c0129978 f8b1366c

00000000 dfbc4154 dfbc4140 dfbc414c 00000000 c012a25f 00000001 00000000 00000000 00010000 00000000 00000000 dffefab0 c01165bc 00100100 00200200

Call Trace:

[<c0129978>] run_workqueue+0x78/0xb5 [<f8b1366c>] vboxNetFltLinuxXmitTask+0x0/0x17a [vboxnetflt] [<c012a25f>] worker_thread+0xd9/0x10a [<c01165bc>] default_wake_function+0x0/0xc [<c012a186>] worker_thread+0x0/0x10a [<c012c633>] kthread+0xc2/0xef [<c012c571>] kthread+0x0/0xef [<c0101005>] kernel_thread_helper+0x5/0xb

Code: 72 c7 31 c0 86 45 60 83 c4 0c b8 01 00 00 00 5b 5e 5f 5d c3 55 57 8d b8 5c

ff ff ff 56 53 83 ec 04 89 e3 c7 04 24 00 00 00 00 53 <ff> 77 38 e8 12 39 00 00 8a 47 40 5e 5d 84 c0 74 1c ba 01 00 00

EIP: [<f8b13683>] vboxNetFltLinuxXmitTask+0x17/0x17a [vboxnetflt] SS:ESP 0068:df b6df5c

#11450 fixed BUG: using smp_processor_id() in preemptible [00000000] code blackhawk
Description

Annoying messeges in kernel log, no functionality involved

uname -a: Linux gentoo64 3.7.4-gentoo #1 SMP PREEMPT Sat Jan 26 17:40:20 MSK 2013 x86_64 Intel(R) Core(TM) i7-3770T CPU @ 2.50GHz GenuineIntel GNU/Linux

dmesg:

[ 1869.028444] BUG: using smp_processor_id() in preemptible [00000000] code: EMT-1/7217
[ 1869.028448] caller is VBoxHost_RTMpCpuId+0x9/0x41 [vboxdrv]
[ 1869.028450] Pid: 7217, comm: EMT-1 Tainted: P           O 3.7.4-gentoo #1
[ 1869.028451] Call Trace:
[ 1869.028453]  [<ffffffff8124e286>] debug_smp_processor_id+0xd2/0xec
[ 1869.028459]  [<ffffffffa024986f>] VBoxHost_RTMpCpuId+0x9/0x41 [vboxdrv]
[ 1869.028469]  [<ffffffff81063fe1>] ? up+0x34/0x3b
[ 1869.028474]  [<ffffffffa024a542>] ? VBoxHost_RTSemFastMutexRelease+0x46/0x4a [vboxdrv]
[ 1869.028477]  [<ffffffff8158568c>] ? _raw_spin_unlock_irqrestore+0x35/0x43
[ 1869.028480]  [<ffffffff81060101>] ? __kfifo_init+0x4f/0x68
[ 1869.028487]  [<ffffffffa02481ce>] ? rtR0MemAllocEx+0x196/0x1f7 [vboxdrv]
[ 1869.028493]  [<ffffffffa02481ce>] ? rtR0MemAllocEx+0x196/0x1f7 [vboxdrv]
[ 1869.028499]  [<ffffffffa0240eab>] ? supdrvIOCtl+0x1272/0x250a [vboxdrv]
[ 1869.028504]  [<ffffffffa02481ce>] ? rtR0MemAllocEx+0x196/0x1f7 [vboxdrv]
[ 1869.028507]  [<ffffffff811145b5>] ? virt_to_head_page+0x9/0x2c
[ 1869.028509]  [<ffffffff8106ac99>] ? __might_sleep+0x39/0xfa
[ 1869.028515]  [<ffffffffa023c37f>] ? SUPR0Printf+0x1bf/0x250 [vboxdrv]
[ 1869.028519]  [<ffffffff81132bc2>] ? do_vfs_ioctl+0x462/0x4a3
[ 1869.028523]  [<ffffffff815856c7>] ? _raw_spin_unlock_irq+0x2d/0x38
[ 1869.028527]  [<ffffffff81069c59>] ? finish_task_switch+0x60/0xcc
[ 1869.028530]  [<ffffffff81132c5c>] ? sys_ioctl+0x59/0x7d
[ 1869.028533]  [<ffffffff8158b2ad>] ? system_call_fastpath+0x1a/0x1f
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