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Date: Thu, 14 May 2009 21:18:24 +0200 From: Martin Capitanio <martin@...itanio.org> To: linux-kernel@...r.kernel.org Subject: WARNING in >2.6.30-rc4 : at lib/dma-debug.c:558 check_for_stack (warn_slowpath) I get this always during the boot-time (once or twice) with latest git (45d447406a19). The kernel has no visible issues, so far. Martin x86_64 [ 17.276655] WARNING: at lib/dma-debug.c:558 check_for_stack+0x87/0xd0() [ 17.276694] Hardware name: Satellite L300 [ 17.276727] ehci_hcd 0000:00:1d.7: DMA-API: device driver maps memory fromstack [addr=ffff8800bd85fce0] [ 17.276788] Modules linked in: rtl8187(+) snd_seq_oss(+) snd_seq_midi snd_rawmidi snd_seq_midi_event uvcvideo snd_seq snd_timer snd_seq_device psmouse mac80211 videodev rfkill iTCO_wdt eeprom_93cx6 pcspkr serio_raw v4l1_compat v4l2_compat_ioctl32 snd btusb input_polldev evdev joydev iTCO_vendor_support video output processor battery ac button intel_agp bluetooth cfg80211 soundcore snd_page_alloc hid_apple sg usbhid hid sd_mod crc_t10dif sr_mod cdrom r8169 mii uhci_hcd dm_mirror dm_region_hash dm_log dm_snapshot dm_mod thermal fan fuse [ 17.277657] Pid: 1627, comm: modprobe Not tainted 2.6.30-rc5-mc29-01 #4 [ 17.277693] Call Trace: [ 17.277725] [<ffffffff80245328>] warn_slowpath_fmt+0xd8/0x130 [ 17.277763] [<ffffffff803f7879>] ? __make_request+0x119/0x460 [ 17.277800] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 17.277836] [<ffffffff80270249>] ? __module_address+0x9/0x90 [ 17.277870] [<ffffffff802702e2>] ? __module_text_address+0x12/0x80 [ 17.277906] [<ffffffff8027035e>] ? is_module_text_address+0xe/0x20 [ 17.277942] [<ffffffff8025ab68>] ? __kernel_text_address+0x58/0x80 [ 17.277979] [<ffffffff8020ff41>] ? print_context_stack+0x81/0x150 [ 17.278015] [<ffffffff8020ef76>] ? dump_trace+0x116/0x2d0 [ 17.278050] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 17.278085] [<ffffffff80425a47>] check_for_stack+0x87/0xd0 [ 17.278120] [<ffffffff80425d12>] debug_dma_map_page+0x102/0x170 [ 17.278157] [<ffffffff804f6f87>] dma_map_single+0xd7/0x100 [ 17.278191] [<ffffffff804f7e1a>] usb_hcd_submit_urb+0x5aa/0xd70 [ 17.278233] [<ffffffff804132a5>] ? kvasprintf+0x55/0x90 [ 17.278267] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 17.278301] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 17.278335] [<ffffffff804f8a8d>] usb_submit_urb+0x10d/0x330 [ 17.278370] [<ffffffff804fa2ed>] usb_start_wait_urb+0x5d/0x1b0 [ 17.278406] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 17.278440] [<ffffffff804f9118>] ? usb_init_urb+0x28/0x40 [ 17.278474] [<ffffffff804fa6d5>] usb_control_msg+0x135/0x160 [ 17.278513] [<ffffffffa027c190>] rtl8187_probe+0x1a4/0x7cc [rtl8187] [ 17.278549] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 17.278584] [<ffffffffa02747e0>] ? rtl8187_eeprom_register_read+0x0/0x90 [rtl8187] [ 17.278636] [<ffffffffa02745e0>] ? rtl8187_eeprom_register_write+0x0/0xa0 [rtl8187] [ 17.278687] [<ffffffff805daac9>] ? mutex_unlock+0x9/0x20 [ 17.278721] [<ffffffff804fc8a0>] ? usb_autopm_do_device+0xc0/0x120 [ 17.278758] [<ffffffff804fd581>] usb_probe_interface+0xf1/0x260 [ 17.278795] [<ffffffff804b8649>] driver_probe_device+0xb9/0x2c0 [ 17.278830] [<ffffffff804b88eb>] __driver_attach+0x9b/0xb0 [ 17.278864] [<ffffffff804b8850>] ? __driver_attach+0x0/0xb0 [ 17.278899] [<ffffffff804b7c9b>] bus_for_each_dev+0x6b/0xa0 [ 17.278933] [<ffffffff804b83c1>] driver_attach+0x21/0x30 [ 17.278968] [<ffffffff804b73fd>] bus_add_driver+0x1ad/0x2e0 [ 17.279002] [<ffffffff804b8bee>] driver_register+0x7e/0x160 [ 17.279037] [<ffffffff804fd299>] usb_register_driver+0xa9/0x120 [ 17.279074] [<ffffffffa0282000>] ? rtl8187_init+0x0/0x20 [rtl8187] [ 17.279110] [<ffffffffa028201e>] rtl8187_init+0x1e/0x20 [rtl8187] [ 17.279146] [<ffffffff80209051>] do_one_initcall+0x41/0x170 [ 17.279181] [<ffffffff802623c8>] ? __blocking_notifier_call_chain+0x68/0x90 [ 17.279220] [<ffffffff80273fb5>] sys_init_module+0xb5/0x200 [ 17.279254] [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [ 17.279290] ---[ end trace 1c35db9e80ae84cb ]--- ----------rc4+------------ [ 14.643004] ------------[ cut here ]------------ [ 14.643036] WARNING: at fs/namei.c:1251 lookup_one_len+0xd9/0xf0() [ 14.643070] Hardware name: Satellite L300 [ 14.643100] Modules linked in: sr_mod cdrom sd_mod crc_t10dif sg pata_acpi r8169 mii uhci_hcd dm_mirror dm_region_hash dm_log dm_snapshot dm_mod thermal fan fuse [ 14.643357] Pid: 1229, comm: mount Not tainted 2.6.30-rc4-mc29-01 #1 [ 14.643391] Call Trace: [ 14.643423] [<ffffffff80245368>] warn_slowpath+0xd8/0x130 [ 14.643461] [<ffffffff805d9f25>] ? printk+0x6c/0x6f [ 14.643495] [<ffffffff8036ec86>] ? prepare_error_buf+0x5b6/0x6b0 [ 14.643533] [<ffffffff802602f9>] ? __mutex_init+0x9/0x30 [ 14.643568] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 14.643603] [<ffffffff8036ee8d>] ? reiserfs_info+0x8d/0xb0 [ 14.643638] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 14.643672] [<ffffffff802fbfa9>] lookup_one_len+0xd9/0xf0 [ 14.643708] [<ffffffff80381465>] reiserfs_xattr_init+0xf5/0x270 [ 14.643743] [<ffffffff8036cf77>] reiserfs_fill_super+0x6e7/0xc00 [ 14.643779] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 14.643813] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 14.643848] [<ffffffff802f5342>] get_sb_bdev+0x172/0x1a0 [ 14.643882] [<ffffffff8036c890>] ? reiserfs_fill_super+0x0/0xc00 [ 14.643918] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 14.643952] [<ffffffff8036a028>] get_super_block+0x18/0x20 [ 14.643986] [<ffffffff802f4961>] vfs_kern_mount+0x81/0x180 [ 14.644032] [<ffffffff802f4ad3>] do_kern_mount+0x53/0x110 [ 14.644068] [<ffffffff8030e00c>] do_mount+0x74c/0x940 [ 14.644102] [<ffffffff8030e2c0>] sys_mount+0xc0/0xf0 [ 14.644136] [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [ 14.644171] ---[ end trace 9b6ec5a91604a5bc ]--- ... [ 26.217760] ------------[ cut here ]------------ [ 26.217799] WARNING: at lib/dma-debug.c:609 check_for_stack+0x87/0xd0() [ 26.217834] Hardware name: Satellite L300 [ 26.217867] ehci_hcd 0000:00:1d.7: DMA-API: device driver maps memory fromstack [addr=ffff8800bc9f9ce0] [ 26.217920] Modules linked in: rtl8187(+) snd_seq_midi_event uvcvideo snd_seq snd_timer snd_seq_device mac80211 rfkill iTCO_wdt pcspkr psmouse serio_raw videodev v4l1_compat v4l2_compat_ioctl32 eeprom_93cx6 evdev input_polldev video output intel_agp iTCO_vendor_support snd battery ac processor button cfg80211 soundcore snd_page_alloc sr_mod cdrom sd_mod crc_t10dif sg pata_acpi r8169 mii uhci_hcd dm_mirror dm_region_hash dm_log dm_snapshot dm_mod thermal fan fuse [ 26.218634] Pid: 1482, comm: modprobe Tainted: G W 2.6.30-rc4-mc29-01 #1 [ 26.218687] Call Trace: [ 26.218723] [<ffffffff80245368>] warn_slowpath+0xd8/0x130 [ 26.218765] [<ffffffff803f0030>] ? test_pcomp+0x3b0/0x530 [ 26.218806] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 26.218845] [<ffffffff802702d9>] ? __module_address+0x9/0x90 [ 26.218883] [<ffffffff80270372>] ? __module_text_address+0x12/0x80 [ 26.218921] [<ffffffff802703ee>] ? is_module_text_address+0xe/0x20 [ 26.218964] [<ffffffff8025aba8>] ? __kernel_text_address+0x58/0x80 [ 26.219004] [<ffffffff8020ff51>] ? print_context_stack+0x81/0x150 [ 26.219041] [<ffffffff8020ef86>] ? dump_trace+0x116/0x2d0 [ 26.219079] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 26.219117] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 26.219153] [<ffffffff80425d87>] check_for_stack+0x87/0xd0 [ 26.219190] [<ffffffff80426052>] debug_dma_map_page+0x102/0x170 [ 26.219229] [<ffffffff804f7877>] dma_map_single+0xd7/0x100 [ 26.219265] [<ffffffff804f870a>] usb_hcd_submit_urb+0x5aa/0xd70 [ 26.219309] [<ffffffff804114f9>] ? vsnprintf+0x429/0x590 [ 26.219350] [<ffffffff804136c5>] ? kvasprintf+0x55/0x90 [ 26.219389] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 26.219426] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 26.219461] [<ffffffff804f937d>] usb_submit_urb+0x10d/0x330 [ 26.219496] [<ffffffff804fabdd>] usb_start_wait_urb+0x5d/0x1b0 [ 26.219531] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 26.219565] [<ffffffff804f9a08>] ? usb_init_urb+0x28/0x40 [ 26.219600] [<ffffffff804fafc5>] usb_control_msg+0x135/0x160 [ 26.219639] [<ffffffffa020a1a0>] rtl8187_probe+0x1a4/0x7cc [rtl8187] [ 26.219675] [<ffffffff8020be56>] ? ftrace_call+0x5/0x2b [ 26.219711] [<ffffffffa02027e0>] ? rtl8187_eeprom_register_read+0x0/0x90 [rtl8187] [ 26.219762] [<ffffffffa02025e0>] ? rtl8187_eeprom_register_write+0x0/0xa0 [rtl8187] [ 26.219814] [<ffffffff805db3c9>] ? mutex_unlock+0x9/0x20 [ 26.219849] [<ffffffff804fd190>] ? usb_autopm_do_device+0xc0/0x120 [ 26.219886] [<ffffffff804fde71>] usb_probe_interface+0xf1/0x260 [ 26.219922] [<ffffffff804b8eb9>] driver_probe_device+0xb9/0x2c0 [ 26.219957] [<ffffffff804b915b>] __driver_attach+0x9b/0xb0 [ 26.219992] [<ffffffff804b90c0>] ? __driver_attach+0x0/0xb0 [ 26.220033] [<ffffffff804b850b>] bus_for_each_dev+0x6b/0xa0 [ 26.220084] [<ffffffff804b8c31>] driver_attach+0x21/0x30 [ 26.220120] [<ffffffff804b7c6d>] bus_add_driver+0x1ad/0x2e0 [ 26.220154] [<ffffffff804b945e>] driver_register+0x7e/0x160 [ 26.220190] [<ffffffff804fdb89>] usb_register_driver+0xa9/0x120 [ 26.220226] [<ffffffffa0210000>] ? rtl8187_init+0x0/0x20 [rtl8187] [ 26.220263] [<ffffffffa021001e>] rtl8187_init+0x1e/0x20 [rtl8187] [ 26.220299] [<ffffffff80209051>] do_one_initcall+0x41/0x170 [ 26.220334] [<ffffffff80262418>] ? __blocking_notifier_call_chain+0x68/0x90 [ 26.220372] [<ffffffff80273fb5>] sys_init_module+0xb5/0x200 [ 26.220407] [<ffffffff8020c15b>] system_call_fastpath+0x16/0x1b [ 26.220443] ---[ end trace 9b6ec5a91604a5bd ]--- -- 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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