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>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac


More information about the devel mailing list