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Message-ID: <513D3EA9.4010308@cn.fujitsu.com> Date: Mon, 11 Mar 2013 10:17:13 +0800 From: Gao feng <gaofeng@...fujitsu.com> To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> CC: gregkh@...uxfoundation.org Subject: sysfs: Kernel OOPS when install and remove modules I get the below stack when I execute the shell program #!/bin/bash while :; do modprobe 8139too& rmmod 8139too& done I trust it is not the problem of 8139too, the other modules have the same problems too. Is this an already known problem? [ 53.328212] 8139too: 8139too Fast Ethernet driver 0.9.28 [ 53.368029] 8139too: module is already loaded [ 53.456339] 8139too: 8139too Fast Ethernet driver 0.9.28 [ 53.510611] 8139too: 8139too Fast Ethernet driver 0.9.28 [ 53.551713] ------------[ cut here ]------------ [ 53.551721] WARNING: at include/linux/kref.h:42 kobject_get+0x33/0x40() [ 53.551722] Hardware name: Bochs [ 53.551723] Modules linked in: 8139too(+) ebtable_nat ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter bnep ebtables bluetooth rfkill ip6table_filter ip6_tables be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_page_alloc snd_timer microcode snd i2c_piix4 virtio_balloon 8139cp soundcore mii i2c_core uinput [last unloaded: 8139too] [ 53.551757] Pid: 1158, comm: modprobe Not tainted 3.6.10-4.fc18.x86_64 #1 [ 53.551758] Call Trace: [ 53.551763] [<ffffffff8105c8df>] warn_slowpath_common+0x7f/0xc0 [ 53.551766] [<ffffffff8105c93a>] warn_slowpath_null+0x1a/0x20 [ 53.551768] [<ffffffff812de3a3>] kobject_get+0x33/0x40 [ 53.551770] [<ffffffff812df1c0>] kset_find_obj+0x70/0x80 [ 53.551774] [<ffffffff810bfb38>] sys_init_module+0x1878/0x21f0 [ 53.551776] [<ffffffff812fb480>] ? ddebug_proc_open+0xd0/0xd0 [ 53.551780] [<ffffffff8162bae9>] system_call_fastpath+0x16/0x1b [ 53.551781] ---[ end trace 21e295d38d313e02 ]--- [ 53.551783] 8139too: module is already loaded [ 53.581586] BUG: unable to handle kernel paging request at ffffffffa02f666c [ 53.581592] IP: [<ffffffff812de546>] kobject_del+0x16/0x40 [ 53.581595] PGD 1c0d067 PUD 1c11063 PMD 3a085067 PTE 0 [ 53.581596] Oops: 0002 [#1] SMP [ 53.581616] Modules linked in: 8139too(+) ebtable_nat ipt_MASQUERADE nf_conntrack_netbios_ns nf_conntrack_broadcast ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 iptable_nat nf_nat iptable_mangle nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ebtable_filter bnep ebtables bluetooth rfkill ip6table_filter ip6_tables be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi ib_iser rdma_cm ib_addr iw_cm ib_cm ib_sa ib_mad ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_page_alloc snd_timer microcode snd i2c_piix4 virtio_balloon 8139cp soundcore mii i2c_core uinput [last unloaded: 8139too] [ 53.581619] CPU 0 [ 53.581619] Pid: 1158, comm: modprobe Tainted: G W 3.6.10-4.fc18.x86_64 #1 Bochs Bochs [ 53.581621] RIP: 0010:[<ffffffff812de546>] [<ffffffff812de546>] kobject_del+0x16/0x40 [ 53.581622] RSP: 0018:ffff88003d747de8 EFLAGS: 00010296 [ 53.581623] RAX: 0000000000002000 RBX: ffffffffa02f6630 RCX: 0000000000000036 [ 53.581624] RDX: ffff88003ab738d8 RSI: ffff88003da87448 RDI: ffff880036f7de70 [ 53.581624] RBP: ffff88003d747df8 R08: 0000000000000000 R09: ffff88003fbe8fe8 [ 53.581625] R10: 000000000000003c R11: 0000000000000000 R12: ffffffff81c2fba0 [ 53.581625] R13: ffff88003caf1b48 R14: ffffffffa02f6630 R15: 00000000ffffffea [ 53.581628] FS: 00007ff06f76d740(0000) GS:ffff88003fc00000(0000) knlGS:0000000000000000 [ 53.581629] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 53.581630] CR2: ffffffffa02f666c CR3: 0000000039f3f000 CR4: 00000000000006f0 [ 53.581634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.581639] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 53.581640] Process modprobe (pid: 1158, threadinfo ffff88003d746000, task ffff88003c52dc40) [ 53.581640] Stack: [ 53.581642] ffff88003d747e48 ffffffffa02f6630 ffff88003d747e28 ffffffff812de5d2 [ 53.581643] ffff88003d747e58 ffffffffa02f6630 ffffffffa00635f8 ffffffffa0063818 [ 53.581644] ffff88003d747e48 ffffffff812de47b 000000000000000a ffffffffa00635e0 [ 53.581645] Call Trace: [ 53.581648] [<ffffffff812de5d2>] kobject_cleanup+0x62/0x1b0 [ 53.581650] [<ffffffff812de47b>] kobject_put+0x2b/0x60 [ 53.581653] [<ffffffff810c01bb>] sys_init_module+0x1efb/0x21f0 [ 53.581655] [<ffffffff812fb480>] ? ddebug_proc_open+0xd0/0xd0 [ 53.581658] [<ffffffff8162bae9>] system_call_fastpath+0x16/0x1b [ 53.581670] Code: ff ff ff 48 8b 5d f0 4c 8b 65 f8 c9 c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 48 85 ff 74 22 e8 aa 48 f2 ff <80> 63 3c fd 48 89 df e8 7e ff ff ff 48 8b 7b 18 e8 f5 fe ff ff [ 53.581671] RIP [<ffffffff812de546>] kobject_del+0x16/0x40 [ 53.581672] RSP <ffff88003d747de8> [ 53.581672] CR2: ffffffffa02f666c [ 53.581674] ---[ end trace 21e295d38d313e03 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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