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Message-Id: <20101103161638.ddc75ace.randy.dunlap@oracle.com> Date: Wed, 3 Nov 2010 16:16:38 -0700 From: Randy Dunlap <randy.dunlap@...cle.com> To: Linus Torvalds <torvalds@...ux-foundation.org>, axboe@...nel.dk Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: Linux 2.6.37-rc1 (floppy module load: no device found) [ 303.127418] calling floppy_module_init+0x0/0x93 [floppy] @ 5726 [ 303.134577] ------------[ cut here ]------------ [ 303.139329] WARNING: at /local/linsrc/lnx-2637-rc1/lib/list_debug.c:26 __list_add+0x4d/0xa5() [ 303.148248] Hardware name: OptiPlex GX620 [ 303.153682] list_add corruption. next->prev should be prev (ffffffff81ae5e50), but was 6b6b6b6b6b6b6b6b. (next=ffff88006c908590). [ 303.165678] Modules linked in: floppy(+) ipt_MASQUERADE iptable_nat nf_nat af_packet nfsd lockd nfs_acl auth_rpcgss exportfs sco bridge stp llc bnep l2cap crc16 bluetooth rfkill sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 p4_clockmod freq_table speedstep_lib binfmt_misc dm_mirror dm_region_hash dm_log dm_multipath scsi_dh dm_mod kvm uinput mousedev joydev snd_intel8x0 snd_ac97_codec ppdev ac97_bus snd_seq snd_seq_device led_class snd_pcm iTCO_wdt snd_timer usbmouse iTCO_vendor_support usbkbd snd usbhid tg3 hid sg dcdbas sr_mod soundcore rtc_cmos pcspkr i2c_i801 cdrom parport_pc rng_core evdev snd_page_alloc shpchp rtc_core parport rtc_lib mac_hid pci_hotplug 8250_pnp unix ide_pci_generic ide_core ata_generic pata_acpi ata_piix sd_mod crc_t10dif ext3 jbd mbcache uhci_hcd ohci_hcd ssb mmc_core pcmcia pcmcia_core firmware_class! ehci_hcd usbcore nls_base i915 drm_kms_helper intel_agp button intel_gtt video thermal_sys hwmon output [last unloaded: mperf] [ 303.269866] Pid: 5726, comm: modprobe Not tainted 2.6.37-rc1 #10 [ 303.275973] Call Trace: [ 303.278775] [<ffffffff8107e1ed>] warn_slowpath_common+0xc6/0xf3 Nov 3 16:13:19 [ 303.284885] [<ffffffff812d3582>] ? __percpu_counter_init+0x9e/0xdf control kernel: [ 303.292959] [<ffffffff8107e30a>] warn_slowpath_fmt+0x5b/0x6b [ 303.127418] c[ 303.299754] [<ffffffff812cf38b>] __list_add+0x4d/0xa5 alling floppy_m[ 303.306249] [<ffffffff812d359f>] __percpu_counter_init+0xbb/0xdf odule_init+0x0/0[ 303.314093] [<ffffffff8117c577>] bdi_init+0x13f/0x1c2 x93 [floppy] @ 5[ 303.320270] [<ffffffffa0bdb3bb>] ? do_fd_request+0x0/0x111 [floppy] 726 Nov 3 16:13[ 303.328429] [<ffffffffa0bdb3bb>] ? do_fd_request+0x0/0x111 [floppy] :19 control kern[ 303.335791] [<ffffffff812a7444>] blk_alloc_queue_node+0x8f/0x220 el: [ 303.13457[ 303.343257] [<ffffffff812a773b>] blk_init_queue_node+0x30/0x90 7] ------------[[ 303.350874] [<ffffffff812a77b3>] blk_init_queue+0x18/0x21 cut here ]-----[ 303.357447] [<ffffffffa0bf29da>] floppy_init+0x95/0x7c0 [floppy] ------- Nov 3 1[ 303.365279] [<ffffffff81017b19>] ? read_tsc+0x17/0x29 6:13:19 control [ 303.371436] [<ffffffffa0bf3105>] ? floppy_module_init+0x0/0x93 [floppy] kernel: [ 303.1[ 303.379517] [<ffffffffa0bf318d>] floppy_module_init+0x88/0x93 [floppy] 39329] WARNING: [ 303.387890] [<ffffffffa0bf3105>] ? floppy_module_init+0x0/0x93 [floppy] at /local/linsrc[ 303.395650] [<ffffffff810020a6>] do_one_initcall+0x6c/0x1ef /lnx-2637-rc1/li[ 303.403068] [<ffffffff810d52f3>] sys_init_module+0xe1/0x2a5 b/list_debug.c:2[ 303.409709] [<ffffffff8100ea72>] system_call_fastpath+0x16/0x1b 6 __list_add+0x4Nov 3 16:13:19 control kernel: [ 303.419712] ---[ end trace e26c2a9ce976be75 ]--- cd usbcore nls_base i915 drm_kms_helper intel_ag[ 303.429812] Floppy drive(s):p button intel_g fd0 is 1.44Mtt video thermal _sys hwmon output [last unloaded: mperf] Nov 3 16:13:19 control kernel: [ 303.269866] Pid: 5726, comm: modprobe Not tainted 2.6.37-rc1 #10 Nov 3 16:13:19 control kernel: [ 303.275973] Call Trace: Nov 3 16:13:19 control kernel: [ 303.278775] [<ffffffff8107e1ed>] warn_slowpath_common+0xc6/0xf3 Nov 3 16:13:19 control kernel: [ 3 [ 306.480304] floppy0: no floppy controllers found Nov 3 16:13:22 [ 306.488160] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC [ 306.492030] last sysfs file: /sys/devices/pci0000:00/0000:00:1d.1/usb3/3-1/3-1.3/devnum [ 306.492030] CPU 0 [ 306.492030] Modules linked in: floppy(+) ipt_MASQUERADE iptable_nat nf_nat af_packet nfsd lockd nfs_acl auth_rpcgss exportfs sco bridge stp llc bnep l2cap crc16 bluetooth rfkill sunrpc ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT xt_tcpudp nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables x_tables ipv6 p4_clockmod freq_table speedstep_lib binfmt_misc dm_mirror dm_region_hash dm_log dm_multipath scsi_dh dm_mod kvm uinput mousedev joydev snd_intel8x0 snd_ac97_codec ppdev ac97_bus snd_seq snd_seq_device led_class snd_pcm iTCO_wdt snd_timer usbmouse iTCO_vendor_support usbkbd snd usbhid tg3 hid sg dcdbas sr_mod soundcore rtc_cmos pcspkr i2c_i801 cdrom parport_pc rng_core evdev snd_page_alloc shpchp rtc_core parport rtc_lib mac_hid pci_hotplug 8250_pnp unix ide_pci_generic ide_core ata_generic pata_acpi ata_piix sd_mod crc_t10dif ext3 jbd mbcache uhci_hcd ohci_hcd ssb mmc_core pcmcia pcmcia_core firmware_class! ehci_hcd usbcore nls_base i915 drm_kms_helper intel_agp button intel_gtt video thermal_sys hwmon output [last unloaded: mperf] [ 306.626211] [ 306.626211] Pid: 5726, comm: modprobe Tainted: G W 2.6.37-rc1 #10 0HH807/OptiPlex GX620 [ 306.626211] RIP: 0010:[<ffffffff810c309f>] [<ffffffff810c309f>] __lock_acquire+0xd8/0x4e8 [ 306.626211] RSP: 0018:ffff88006d38dd48 EFLAGS: 00010002 [ 306.626211] RAX: 0000000000000006 RBX: 6b6b6b6b6b6b6d13 RCX: 0000000000000000 [ 306.626211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 6b6b6b6b6b6b6d13 [ 306.626211] RBP: ffff88006d38dda8 R08: 0000000000000001 R09: 0000000000000001 [ 306.626211] R10: ffffffff81812d48 R11: ffff88006d38de78 R12: 0000000000000000 [ 306.626211] R13: ffff88006cb13000 R14: 0000000000000000 R15: 0000000000000000 [ 306.626211] FS: 00007f248ff436f0(0000) GS:ffff88007c600000(0000) knlGS:0000000000000000 [ 306.626211] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 306.626211] CR2: 000000000064b000 CR3: 000000006c976000 CR4: 00000000000006f0 [ 306.626211] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 306.626211] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 306.626211] Process modprobe (pid: 5726, threadinfo ffff88006d38c000, task ffff88006cb13000) [ 306.626211] Stack: [ 306.783845] 0000000000000202 ffffffff812b10c2 ffff88006d38dd88 ffffffff811b2af3 [ 306.787082] ffff88006d24ca88 000000006d24ca88 ffff88006d38dd88 0000000000000000 [ 306.787082] ffff88006cb13000 ffffffff81092650 0000000000000001 0000000000000000 [ 306.787082] Call Trace: [ 306.787082] [<ffffffff812b10c2>] ? disk_release+0x97/0xa3 [ 306.787082] [<ffffffff811b2af3>] ? __slab_free+0x1b9/0x1d6 [ 306.787082] [<ffffffff81092650>] ? del_timer_sync+0x50/0x15c [ 306.787082] [<ffffffff810c35af>] lock_acquire+0x100/0x150 [ 306.787082] [<ffffffff81092650>] ? del_timer_sync+0x50/0x15c [ 306.787082] [<ffffffff81092694>] del_timer_sync+0x94/0x15c [ 306.874354] [<ffffffff81092650>] ? del_timer_sync+0x50/0x15c [ 306.874354] [<ffffffff812a763f>] blk_sync_queue+0x24/0x55 [ 306.874354] [<ffffffff812a7692>] blk_cleanup_queue+0x22/0x9b [ 306.874354] [<ffffffffa0bf30e1>] floppy_init+0x79c/0x7c0 [floppy] [ 306.874354] [<ffffffff81017b19>] ? read_tsc+0x17/0x29 [ 306.874354] [<ffffffffa0bf3105>] ? floppy_module_init+0x0/0x93 [floppy] [ 306.874354] [<ffffffffa0bf318d>] floppy_module_init+0x88/0x93 [floppy] [ 306.874354] [<ffffffffa0bf3105>] ? floppy_module_init+0x0/0x93 [floppy] [ 306.940576] [<ffffffff810020a6>] do_one_initcall+0x6c/0x1ef [ 306.943732] [<ffffffff810d52f3>] sys_init_module+0xe1/0x2a5 [ 306.943732] [<ffffffff8100ea72>] system_call_fastpath+0x16/0x1b [ 306.943732] Code: 05 4f 15 72 01 e8 9c b1 fb ff 48 ff 05 4b 15 72 01 48 ff 05 4c 15 72 01 48 ff 05 55 15 72 01 e9 e3 03 00 00 48 ff 05 41 15 72 01 <48> 81 3b 40 34 0b 82 75 07 48 ff 05 41 15 72 01 83 fe 01 77 13 [ 306.982675] RIP [<ffffffff810c309f>] __lock_acquire+0xd8/0x4e8 [ 306.982675] RSP <ffff88006d38dd48> [ 306.982675] ---[ end trace e26c2a9ce976be76 ]--- Nov 3 16:13:22 control kernel: Nov 3 16:13:22 Nov 3 16:13:22 control kernel: [ 306.492030] CPU 0 --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- 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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