Openmoko Bug #2240: removing/reloading g_ether not working
Openmoko Public Trac
bugs at docs.openmoko.org
Sun Apr 26 17:05:21 CEST 2009
#2240: removing/reloading g_ether not working
-------------------------+--------------------------------------------------
Reporter: frankmpunkt | Owner: openmoko-devel
Type: defect | Status: new
Priority: high | Milestone:
Component: unknown | Version: unspecified
Severity: normal | Keywords:
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible:
-------------------------+--------------------------------------------------
Comment(by lindi):
I can reproduce this with andy-tracking b4136a36f31a65d0 (Apr 25).
{{{
[ 1494.355000] Unable to handle kernel paging request at virtual address
2e780330
[ 1494.360000] pgd = c6f10000
[ 1494.360000] [2e780330] *pgd=00000000
[ 1494.365000] Internal error: Oops: 0 [#1] PREEMPT
[ 1494.365000] Modules linked in: g_ether fuse s3c2410_wdt bnep l2cap
btusb bluetooth ohci_hcd snd_soc_neo1973_gta02_wm8753 snd_soc_s3c24xx_i2s
snd_soc_s3c24xx ar6000 snd_soc_wm8753 s3cmci snd_soc_core snd_pcm
snd_timer snd_page_alloc snd [last unloaded: g_ether]
[ 1494.365000] CPU: 0 Not tainted (2.6.29-GTA02_lindi-andy-tracking-
mokodev #1)
[ 1494.365000] PC is at 0x2e780330
[ 1494.365000] LR is at dev_get_stats+0x24/0x30
[ 1494.365000] pc : [<2e780330>] lr : [<c022d3c4>] psr: 20000013
[ 1494.365000] sp : c7b65bd0 ip : c7b65be0 fp : c7b65bdc
[ 1494.365000] r10: c7b34000 r9 : c7a83160 r8 : c6fbb0f0
[ 1494.365000] r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : c6fbb188
[ 1494.365000] r3 : 2e780333 r2 : 000001e8 r1 : 00000000 r0 : c7b34000
[ 1494.365000] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM
Segment user
[ 1494.365000] Control: c000717f Table: 36f10000 DAC: 00000015
[ 1494.365000] Process sudo (pid: 3343, stack limit = 0xc7b64268)
[ 1494.365000] Stack: (0xc7b65bd0 to 0xc7b66000)
[ 1494.365000] 5bc0: c7b65c3c c7b65be0
c023acc8 c022d3b0
[ 1494.365000] 5be0: 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000
[ 1494.365000] 5c00: 00000000 c006fca4 c7b65c3c 000005dc c7b65c7c c7b34000
00000001 c6f4b5e0
[ 1494.365000] 5c20: c0911e8c c7a83160 00000002 00000000 c7b65c7c c7b65c40
c023ae3c c023a9e8
[ 1494.365000] 5c40: 49f47529 00000000 00000002 22222222 c6ceba00 c6cba000
c7a83160 c6cba000
[ 1494.365000] 5c60: c6f4b5e0 c7841c00 00000000 00000038 c7b65cac c7b65c80
c0246428 c023ade4
[ 1494.365000] 5c80: c6f4b5e0 c6cba000 c6f4b5e0 c6cba000 c6f4b5e0 00000d0f
c6ceba00 c7841c00
[ 1494.365000] 5ca0: c7b65cd4 c7b65cb0 c0247044 c02463e0 c6ceba00 00000000
c6ceba00 00000000
[ 1494.365000] 5cc0: c7b65d54 c6cba000 c7b65d14 c7b65cd8 c023b798 c0246ee4
00000000 00000000
[ 1494.365000] 5ce0: c023b69c c7b7f4a0 c023b69c c6ceba00 c7b7f4a0 c023b6b8
c7b65d54 c6cba000
[ 1494.365000] 5d00: 00000000 00000038 c7b65d34 c7b65d18 c0248880 c023b6c8
c7b65d54 c7b7f4a0
[ 1494.365000] 5d20: 00000014 c7b7f4a0 c7b65d4c c7b65d38 c023b6a8 c0248834
c7b7f4a0 c7841c00
[ 1494.365000] 5d40: c7b65d84 c7b65d50 c024829c c023b68c 00000014 7fffffff
c02293dc 00000000
[ 1494.365000] 5d60: c7b7f4a0 c6cba000 00000000 c7b65f54 c7b65e70 c7712400
c7b65ddc c7b65d88
[ 1494.365000] 5d80: c02485ec c0248060 00000001 c1008ba8 00000014 00000000
c7b65dc4 00000d0f
[ 1494.365000] 5da0: 000003e8 000003e8 00000000 00000000 00000000 c6f02020
c7b65f54 c7b65de0
[ 1494.365000] 5dc0: 00000014 befee558 c7b64000 0000000c c7b65ecc c7b65de0
c02217c0 c0248354
[ 1494.365000] 5de0: c7b65e04 c7b65df0 00000000 00000001 ffffffff 00000000
00000000 00000000
[ 1494.365000] 5e00: 00000000 00000000 c6f02020 00000000 00000000 00000000
c6f02020 c6f02020
[ 1494.365000] 5e20: c0065d8c c7b65e24 c7b65e24 400d49dc c7b65e5c c7b65e40
c7b65e70 c00700f0
[ 1494.365000] 5e40: 60000093 c7b64000 00000000 c7b65fb0 c7b65e7c c7b65e60
c00735bc c00733b4
[ 1494.365000] 5e60: 00000001 c7b5b8f8 60000013 c7b5b8f8 c7b65e94 c7b65e80
c02aca68 00000014
[ 1494.365000] 5e80: c7712400 c7b5b8f8 c7b65d9c c7b65f54 c016071c 00000000
c7b65ed4 00000014
[ 1494.365000] 5ea0: befee558 c7b65ed4 0000000c 00000000 befee558 c7712400
00000000 c7b65ed4
[ 1494.365000] 5ec0: c7b65fa4 c7b65ed0 c0221a90 c0221720 0000000c 00000010
00000000 00000000
[ 1494.365000] 5ee0: c7712400 c7b65efc c7b65fa4 c7b65ef8 c0222830 c02223e4
c0221278 00000010
[ 1494.365000] 5f00: 00000d0f 00000000 00000000 c7a56b44 c7a56b44 c7a56b44
c7b65f3c c7b65f28
[ 1494.365000] 5f20: c02acab8 c004b290 00000005 c7a56b20 c7b65f5c c7b65f40
c00aae00 c02aca94
[ 1494.365000] 5f40: 00047771 000f4240 113a0730 c0032cdc c7b65f84 c7b65ed4
0000000c c7b65f70
[ 1494.365000] 5f60: 00000001 00000000 00000000 00000000 befee558 00000000
00000000 00000000
[ 1494.365000] 5f80: befee558 0000000c befee558 00000122 c002f048 00000000
00000000 c7b65fa8
[ 1494.365000] 5fa0: c002eea0 c02219ec befee558 0000000c 00000005 befee544
00000014 00000000
[ 1494.365000] 5fc0: befee558 0000000c befee558 00000122 000428c4 00000000
00000001 befee5a4
[ 1494.365000] 5fe0: 0000000c befed500 40139898 40118f88 60000010 00000005
ffffffff ffffffff
[ 1494.365000] Backtrace:
[ 1494.365000] [<c022d3a0>] (dev_get_stats+0x0/0x30) from [<c023acc8>]
(rtnl_fill_ifinfo+0x2f0/0x3fc)
[ 1494.365000] [<c023a9d8>] (rtnl_fill_ifinfo+0x0/0x3fc) from [<c023ae3c>]
(rtnl_dump_ifinfo+0x68/0x9c)
[ 1494.365000] [<c023add4>] (rtnl_dump_ifinfo+0x0/0x9c) from [<c0246428>]
(netlink_dump+0x58/0x1b0)
[ 1494.365000] [<c02463d0>] (netlink_dump+0x0/0x1b0) from [<c0247044>]
(netlink_dump_start+0x170/0x1b8)
[ 1494.365000] r8:c7841c00 r7:c6ceba00 r6:00000d0f r5:c6f4b5e0
r4:c6cba000
[ 1494.365000] [<c0246ed4>] (netlink_dump_start+0x0/0x1b8) from
[<c023b798>] (rtnetlink_rcv_msg+0xe0/0x22c)
[ 1494.365000] r8:c6cba000 r7:c7b65d54 r6:00000000 r5:c6ceba00
r4:00000000
[ 1494.365000] [<c023b6b8>] (rtnetlink_rcv_msg+0x0/0x22c) from
[<c0248880>] (netlink_rcv_skb+0x5c/0xbc)
[ 1494.365000] [<c0248824>] (netlink_rcv_skb+0x0/0xbc) from [<c023b6a8>]
(rtnetlink_rcv+0x2c/0x3c)
[ 1494.365000] r6:c7b7f4a0 r5:00000014 r4:c7b7f4a0
[ 1494.365000] [<c023b67c>] (rtnetlink_rcv+0x0/0x3c) from [<c024829c>]
(netlink_unicast+0x24c/0x2f4)
[ 1494.365000] r4:c7841c00
[ 1494.365000] [<c0248050>] (netlink_unicast+0x0/0x2f4) from [<c02485ec>]
(netlink_sendmsg+0x2a8/0x2bc)
[ 1494.365000] [<c0248344>] (netlink_sendmsg+0x0/0x2bc) from [<c02217c0>]
(sock_sendmsg+0xb0/0xcc)
[ 1494.365000] [<c0221710>] (sock_sendmsg+0x0/0xcc) from [<c0221a90>]
(sys_sendto+0xb4/0xd4)
[ 1494.365000] r6:c7b65ed4 r5:00000000 r4:c7712400
[ 1494.365000] [<c02219dc>] (sys_sendto+0x0/0xd4) from [<c002eea0>]
(ret_fast_syscall+0x0/0x2c)
[ 1494.365000] Code: bad PC value.
[ 1494.425000] ---[ end trace c2ac4ab43ac05a62 ]---
}}}
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2240#comment:1>
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