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Subject: [dpdk-dev] kernel panic when stop my test demo
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=20

Hi ereryone, I have a problem when I stop my test demo with =
=A1=AECTRL+C=A1=AF, and
then kernel panic.

=20

Any suggestions?=20

=20

BTW, I=A1=AFm using the version 1.4.1-7 in RHEL6.4, kernel version is =
3.2.28

=20

=20

=20

uio device registered with irq 33

general protection fault: 0000 [#1] SMP=20

CPU 2=20

Modules linked in: igb_uio(O) [last unloaded: scsi_wait_scan]

=20

Pid: 6072, comm: test Tainted: G           O 3.2.28 #12 SinoGrid Inc.
WiseGrid ADC2000/To be filled by O.E.M.

RIP: 0010:[<ffffffff81553afe>]  [<ffffffff81553afe>]
sock_def_wakeup+0x19/0x3e

RSP: 0018:ffff88022fa37c48  EFLAGS: 00010206

RAX: 0bd943e9b9b967f6 RBX: ffff880235946d20 RCX: ffff8802365a25c8

RDX: ffffffff81553ae5 RSI: ffff8802365a25c8 RDI: 0bd943e9b9b967ee

RBP: ffff880235a460c0 R08: 0000000000000000 R09: 0000000000000000

R10: 0000000000000000 R11: ffff88023502d800 R12: ffff8802365a25c8

R13: ffff8802354c9cc0 R14: ffff88023528bc90 R15: ffff880235ee4a80

FS:  0000000000000000(0000) GS:ffff88023fd00000(0000) =
knlGS:0000000000000000

CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b

CR2: 0000003ec3413000 CR3: 0000000001a3f000 CR4: 00000000000406a0

DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400

Process test (pid: 6072, threadinfo ffff88022fa36000, task =
ffff88023537e8e0)

Stack:

ffff880229908cc0 ffffffff814bb41b 0000000000000008 ffff8802365a25c8

ffff88023528bc80 ffff88023528bc80 0000000000000008 ffffffff8109aff3

0000000000000000 ffff88023528bc80 ffff880235022140 0000000000000000

Call Trace:

[<ffffffff814bb41b>] ? uio_release+0x2a/0x4a

[<ffffffff8109aff3>] ? fput+0xea/0x1a5

[<ffffffff81098418>] ? filp_close+0x59/0x61

[<ffffffff8102d03c>] ? put_files_struct+0x67/0xc5

[<ffffffff8102e64f>] ? do_exit+0x221/0x678

[<ffffffff8102eb19>] ? do_group_exit+0x73/0x9d

[<ffffffff81038558>] ? get_signal_to_deliver+0x406/0x422

[<ffffffff810015bd>] ? do_signal+0x36/0x620

[<ffffffff8104396a>] ? hrtimer_cancel+0xc/0x16

[<ffffffff81694dd5>] ? do_nanosleep+0x77/0xb0

[<ffffffff81043def>] ? hrtimer_nanosleep+0x65/0x108

[<ffffffff81043e26>] ? hrtimer_nanosleep+0x9c/0x108

[<ffffffff81043173>] ? update_rmtp+0x5d/0x5d

[<ffffffff81001bb4>] ? do_notify_resume+0xd/0x28

[<ffffffff8169631b>] ? int_signal+0x12/0x17

Code: ff ff c7 43 54 01 00 00 00 fe 43 50 5b e9 0b c3 ad ff 48 83 ec 08 =
48
8b bf b8 00 00 00 0f ae f0 31 c0 48 85 ff 74 0e 48 8d 47 08 <48> 39 47 =
08 0f
95 c0 0f b6 c0 85 c0 74 12 31 c9 31 d2 be 01 00=20

RIP  [<ffffffff81553afe>] sock_def_wakeup+0x19/0x3e

RSP <ffff88022fa37c48>

---[ end trace 807c8a5f11d131ba ]---

Fixing recursive fault but reboot is needed!

[root@localhost DPDK]#


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link=3D"#0563C1" vlink=3D"#954F72" =
style=3D'text-justify-trim:punctuation'><div class=3DWordSection1><p =
class=3DMsoNormal align=3Dleft style=3D'text-align:left'><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>Hi ereryone, I have a problem when I stop my test demo with =
=A1=AECTRL+C=A1=AF, and then kernel panic.<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>Any suggestions? =
<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>BTW, I=A1=AFm using the version 1.4.1-7 in RHEL<span =
style=3D'color:#1F497D'>6</span>.4, kernel version is =
3.2.28<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>uio device registered with irq 33<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>general protection fault: 0000 [#1] =
SMP <o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US>CPU 2 =
<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US>Modules =
linked in: igb_uio(O) [last unloaded: =
scsi_wait_scan]<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>Pid: 6072, comm: test Tainted: =
G&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; O 3.2.28 =
#12 SinoGrid Inc. WiseGrid ADC2000/To be filled by =
O.E.M.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US>RIP: =
0010:[&lt;ffffffff81553afe&gt;]&nbsp; [&lt;ffffffff81553afe&gt;] =
sock_def_wakeup+0x19/0x3e<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>RSP: 0018:ffff88022fa37c48&nbsp; =
EFLAGS: 00010206<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>RAX: 0bd943e9b9b967f6 RBX: ffff880235946d20 RCX: =
ffff8802365a25c8<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>RDX: ffffffff81553ae5 RSI: ffff8802365a25c8 RDI: =
0bd943e9b9b967ee<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>RBP: ffff880235a460c0 R08: 0000000000000000 R09: =
0000000000000000<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>R10: 0000000000000000 R11: ffff88023502d800 R12: =
ffff8802365a25c8<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>R13: ffff8802354c9cc0 R14: ffff88023528bc90 R15: =
ffff880235ee4a80<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>FS:&nbsp; 0000000000000000(0000) GS:ffff88023fd00000(0000) =
knlGS:0000000000000000<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>CS:&nbsp; 0010 DS: 0000 ES: 0000 CR0: =
000000008005003b<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>CR2: 0000003ec3413000 CR3: 0000000001a3f000 CR4: =
00000000000406a0<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>DR0: 0000000000000000 DR1: 0000000000000000 DR2: =
0000000000000000<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: =
0000000000000400<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>Process test (pid: 6072, threadinfo ffff88022fa36000, task =
ffff88023537e8e0)<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>Stack:<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>ffff880229908cc0 ffffffff814bb41b 0000000000000008 =
ffff8802365a25c8<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>ffff88023528bc80 ffff88023528bc80 0000000000000008 =
ffffffff8109aff3<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>0000000000000000 ffff88023528bc80 ffff880235022140 =
0000000000000000<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>Call Trace:<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff814bb41b&gt;] ? =
uio_release+0x2a/0x4a<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff8109aff3&gt;] ? =
fput+0xea/0x1a5<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff81098418&gt;] ? =
filp_close+0x59/0x61<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff8102d03c&gt;] ? =
put_files_struct+0x67/0xc5<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>[&lt;ffffffff8102e64f&gt;] ? =
do_exit+0x221/0x678<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff8102eb19&gt;] ? =
do_group_exit+0x73/0x9d<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff81038558&gt;] ? =
get_signal_to_deliver+0x406/0x422<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>[&lt;ffffffff810015bd&gt;] ? =
do_signal+0x36/0x620<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff8104396a&gt;] ? =
hrtimer_cancel+0xc/0x16<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff81694dd5&gt;] ? =
do_nanosleep+0x77/0xb0<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff81043def&gt;] ? =
hrtimer_nanosleep+0x65/0x108<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>[&lt;ffffffff81043e26&gt;] ? =
hrtimer_nanosleep+0x9c/0x108<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>[&lt;ffffffff81043173&gt;] ? =
update_rmtp+0x5d/0x5d<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>[&lt;ffffffff81001bb4&gt;] ? =
do_notify_resume+0xd/0x28<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>[&lt;ffffffff8169631b&gt;] ? =
int_signal+0x12/0x17<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>Code: ff ff c7 43 54 01 00 00 00 fe 43 50 5b e9 0b c3 ad ff =
48 83 ec 08 48 8b bf b8 00 00 00 0f ae f0 31 c0 48 85 ff 74 0e 48 8d 47 =
08 &lt;48&gt; 39 47 08 0f 95 c0 0f b6 c0 85 c0 74 12 31 c9 31 d2 be 01 =
00 <o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>RIP&nbsp; [&lt;ffffffff81553afe&gt;] =
sock_def_wakeup+0x19/0x3e<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>RSP =
&lt;ffff88022fa37c48&gt;<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>---[ end trace 807c8a5f11d131ba =
]---<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US>Fixing =
recursive fault but reboot is needed!<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>[root@localhost =
DPDK]#<o:p></o:p></span></p></div></body></html>
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