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[Xen-bugs] [Bug 152] ifconfig ethx mtu 1506 crashes host

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Subject:	[Xen-bugs] [Bug 152] ifconfig ethx mtu 1506 crashes host
From:	bugzilla-daemon@xxxxxxxxxxxxxxxxxxx
Date:	Thu, 11 Aug 2005 13:25:36 +0000
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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=152





------- Additional Comments From vincent.hanquez@xxxxxxxxxxxx  2005-08-11 13:25 
-------
actually it showed on unstable as well

step to reproduce:
ifconfig eth0 mtu 1506
xend start

oops:
Unable to handle kernel paging request at virtual address 0811019a
 printing eip:
c03c0f94
*pde = ma 02af6067 pa 1caf6067
*pte = ma 00000000 pa 55555000
Oops: 0000 [#1]
PREEMPT
Modules linked in:
CPU:    0
EIP:    0061:[<c03c0f94>]    Not tainted VLI
EFLAGS: 00010293   (2.6.12.3-xen0)
EIP is at skb_release_data+0x54/0x100
eax: 0000003c   ebx: 00000000   ecx: dd0c43c0   edx: 0811019a
esi: dd0beb80   edi: 0000000a   ebp: dc445e24   esp: dc445d94
ds: 007b   es: 007b   ss: 0069
Process ifconfig (pid: 1488, threadinfo=dc444000 task=dcae4510)
Stack: dc444000 c05b64e0 dd0bea80 dd0beb80 dd0beb80 dd0bec80 c03c1053 dd0beb80
       dd0beb80 dd0beb80 c03c79ca dd0beb80 dc445dc0 dc444000 c05b5e08 c05b5e10
       00000009 0000000a c0124035 c05b5e10 dc444000 00000001 00000000 c01240eb
Call Trace:
 [<c03c1053>] kfree_skbmem+0x13/0x30
 [<c03c79ca>] net_tx_action+0x7a/0x160
 [<c0124035>] __do_softirq+0xc5/0xf0
 [<c01240eb>] do_softirq+0x8b/0x90
 [<c01241b5>] irq_exit+0x35/0x40
 [<c010f182>] do_IRQ+0x22/0x30
 [<c0106530>] evtchn_do_upcall+0x70/0xa0
 [<c010a788>] hypervisor_callback+0x2c/0x34
 [<c013007b>] .text.lock.sys+0x4d/0xb2
 [<c01064ba>] force_evtchn_callback+0xa/0x10
 [<c02b3f04>] tg3_close+0x144/0x160
 [<c03c6e11>] dev_close+0xb1/0xc0
 [<c03c8753>] dev_change_flags+0x53/0x130
 [<c0403107>] devinet_ioctl+0x247/0x5a0
 [<c04055d6>] inet_ioctl+0x66/0xb0
 [<c03bd0e9>] sock_ioctl+0xc9/0x230
 [<c0176c2e>] do_ioctl+0x8e/0xa0
 [<c03bd84d>] sys_socket+0x3d/0x60
 [<c0176df5>] vfs_ioctl+0x65/0x1f0
 [<c0176fc5>] sys_ioctl+0x45/0x70
 [<c010a5e3>] syscall_call+0x7/0xb


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