From: Chuck Ebbert <cebbert@redhat.com>
To: Netdev <netdev@vger.kernel.org>
Subject: kernel panic removing devices from a teql queuing discipline
Date: Mon, 29 Oct 2007 14:00:01 -0400 [thread overview]
Message-ID: <47261FA1.10300@redhat.com> (raw)
https://bugzilla.redhat.com/show_bug.cgi?id=219488
Still happening in 2.6.22.9:
BUG: unable to handle kernel paging request at virtual address 66696674
printing eip:
d098d4de
*pde = 00000000
Oops: 0000 [#1]
SMP
last sysfs file: /class/net/lo/ifindex
Modules linked in: sch_teql netconsole autofs4 hidp rfcomm l2cap bluetooth sunrpc ipv6 dm_multipath video sbs i2c_ec button battery asus_acpi ac parport_pc lp parport floppy i2c_piix4 pcspkr i2c_core pcnet32 mii serio_raw ide_cd cdrom dm_snapshot dm_zero dm_mirror dm_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd
CPU: 0
EIP: 0060:[<d098d4de>] Not tainted VLI
EFLAGS: 00010202 (2.6.18-1.2849.fc6 #1)
EIP is at teql_master_xmit+0xdc/0x3aa [sch_teql]
eax: c06a82c0 ebx: cde25c80 ecx: 00000000 edx: c06ad680
esi: c12f8e00 edi: cfc73800 ebp: 66696670 esp: ca6c8bb8
ds: 007b es: 007b ss: 0068
Process ping (pid: 2275, ti=ca6c8000 task=cc7bd400 task.ti=ca6c8000)
Stack: cde25174 00000000 000004cc ca6f0800 c12f8e00 000004cc cc7f5280 ca6f0c00
cc7f5280 cc7f5280 00000000 00000000 00000000 c06a82c0 00000000 ca6f0800
c12f8e00 c12f8e00 c0823e08 c05b9606 ca6c8c20 00000000 c12f8e00 ca6f0800
Call Trace:
[<c05b9606>] dev_hard_start_xmit+0x1b9/0x218
[<c05c72e1>] __qdisc_run+0xde/0x19b
[<c05baeea>] dev_queue_xmit+0x147/0x265
[<c05d8a0c>] ip_output+0x1df/0x20b
[<c05d63bd>] ip_push_pending_frames+0x301/0x3c3
[<c05ef0a6>] raw_sendmsg+0x62e/0x6f0
[<c05f5913>] inet_sendmsg+0x3b/0x45
[<c05af6a6>] sock_sendmsg+0xd0/0xeb
[<c05afec9>] sys_sendmsg+0x192/0x1f7
[<c05b1427>] sys_socketcall+0x240/0x261
[<c0404013>] syscall_call+0x7/0xb
The panic is in __teql_resolve (which has been inlined into teql_master_xmit) in
net/sched/sch_teql.c at this line:
if (n && n->tbl == mn->tbl &&
Specifically the dereference of n->tbl is faulting as n is not valid.
And the address looks like part of an ASCCI string... "figt"
next reply other threads:[~2007-10-29 18:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-29 18:00 Chuck Ebbert [this message]
2007-10-30 8:33 ` kernel panic removing devices from a teql queuing discipline David Miller
2007-11-05 20:08 ` Evgeniy Polyakov
2007-11-06 10:48 ` Evgeniy Polyakov
2007-11-06 11:08 ` David Miller
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