http://oss.sgi.com/bugzilla/show_bug.cgi?id=381
Summary: Segmentation fault while loading xfs module
Product: Linux XFS
Version: Current
Platform: IA32
OS/Version: Linux
Status: NEW
Severity: critical
Priority: High
Component: XFS kernel code
AssignedTo: xfs-master@xxxxxxxxxxx
ReportedBy: psacha@xxxxxxxxxxxxxx
Kernel: Linux 2.6.9, Machine: Compaq DL380 with 2 Intel Pentium Processors
While trying to load the xfs module with "modprobe xfs" modprobe produces a
segmentation fault and the kernel shows the message:
kernel BUG at kernel/module.c:257!
invalid operand: 0000 [#1]
SMP
Modules linked in: dm_mod usbkbd usbcore floppy cpqarray cciss siimage aec62xx a
lim15x3 hpt34x hpt366 ide_disk cmd64x piix rz1000 slc90e66 cs5530 pdc202xx_old p
dc202xx_new amd74xx sis5513 via82cxxx serverworks ide_core aic7xxx sym53c8xx scs
i_transport_spi scsi_mod rtc
CPU: 0
EIP: 0060:[<c012ce66>] Not tainted VLI
EFLAGS: 00010202 (2.6.9-fai)
EIP is at percpu_modalloc+0xe/0xf8
eax: 0000004b ebx: c1635960 ecx: e09b248c edx: 0000000f
esi: 00000258 edi: e09b3970 ebp: e09b3a48 esp: de971f04
ds: 007b es: 007b ss: 0068
Process modprobe (pid: 1053, threadinfo=de970000 task=def06c50)
Stack: c1635960 00000258 e09b3970 e09b3a48 c012e9de e0947000 c012ea0d 00000160
00000020 b7e22000 080509b8 c03299e4 de970000 00000000 e09b1469 00000044
00000060 df10a4c0 00000000 00000000 e09b2480 0000000f 00000000 00000000
Call Trace:
[<c012e9de>] load_module+0x3d6/0x914
[<c012ea0d>] load_module+0x405/0x914
[<c012ef81>] sys_init_module+0x65/0x200
[<c0105e03>] syscall_call+0x7/0xb
Code: d5 29 54 98 04 a1 90 36 3e c0 89 14 98 b8 01 00 00 00 83 c4 0c 5b 5e 5f 5d
59 c3 89 f6 83 ec 08 55 57 56 53 83 7c 24 20 10 76 0a <0f> 0b 01 01 a2 fa 2b c0
89 f6 bd a0 c0 3c c0 31 f6 a1 88 36 3e
The same problem with Kernel 2.6.8 was described on the linux kernel mailing
list. But i could not find this bug in the bugzilla, so here it is.
After the segmenation fault commands like modprobe and lsmod are hanging and
they can not be terminated even with a kill -KILL.
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