Messages in this thread | | | Date | Thu, 18 Aug 2011 13:14:15 +0800 (SGT) | From | Jeff Chua <> | Subject | WARNING: at lib/iomap.c:43 0xffffffffa00ac458() |
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Got several warning here and it's the iwlagn that brought down the system. Running linux-3.1.0-rc2 commit at 338d0f0a6fbc82407864606f5b64b75aeb3c70f2
This problem surfaced after 53d1e658df6e26d62500410719aaee2b82067c03.
Before that, everything is very stable.
------------[ cut here ]------------ WARNING: at fs/sysfs/dir.c:455 0xffffffff810f5ac4() Hardware name: 5413FGA sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/intel_backlight' Modules linked in: i915(+) drm_kms_helper Pid: 2016, comm: modprobe Not tainted 3.1.0-rc2 #6 Call Trace: [<ffffffff8103454c>] ? 0xffffffff8103454c [<ffffffff810345ff>] ? 0xffffffff810345ff [<ffffffff810f5ac4>] ? 0xffffffff810f5ac4 [<ffffffff810f634f>] ? 0xffffffff810f634f [<ffffffff81044ca7>] ? 0xffffffff81044ca7 [<ffffffff810f6423>] ? 0xffffffff810f6423 [<ffffffff8102dbbd>] ? 0xffffffff8102dbbd [<ffffffff811dc525>] ? 0xffffffff811dc525 [<ffffffff811dc76e>] ? 0xffffffff811dc76e [<ffffffff8102dbbd>] ? 0xffffffff8102dbbd [<ffffffff812893ad>] ? 0xffffffff812893ad [<ffffffff8102be75>] ? 0xffffffff8102be75 [<ffffffff8102dbbd>] ? 0xffffffff8102dbbd [<ffffffff81290c76>] ? 0xffffffff81290c76 [<ffffffff81215181>] ? 0xffffffff81215181 [<ffffffffa0031e17>] ? 0xffffffffa0031e17 [<ffffffffa0021f2d>] ? 0xffffffffa0021f2d [<ffffffffa0009185>] ? 0xffffffffa0009185 [<ffffffff8127a87b>] ? 0xffffffff8127a87b [<ffffffff8127c415>] ? 0xffffffff8127c415 [<ffffffff814d065c>] ? 0xffffffff814d065c [<ffffffff811f767e>] ? 0xffffffff811f767e [<ffffffff811f8448>] ? 0xffffffff811f8448 [<ffffffff8128b110>] ? 0xffffffff8128b110 [<ffffffff8128b251>] ? 0xffffffff8128b251 [<ffffffff8128b330>] ? 0xffffffff8128b330 [<ffffffff8128b2e1>] ? 0xffffffff8128b2e1 [<ffffffff8128aabd>] ? 0xffffffff8128aabd [<ffffffff8128a46b>] ? 0xffffffff8128a46b [<ffffffff8128b865>] ? 0xffffffff8128b865 [<ffffffff811f869a>] ? 0xffffffff811f869a [<ffffffffa004c000>] ? 0xffffffffa004c000 [<ffffffffa004c000>] ? 0xffffffffa004c000 [<ffffffff81000208>] ? 0xffffffff81000208 [<ffffffff8105e445>] ? 0xffffffff8105e445 [<ffffffff814d0fd2>] ? 0xffffffff814d0fd2 ---[ end trace 7d200175acf13c73 ]--- kobject_add_internal failed for intel_backlight with -EEXIST, don't try to register things with the same name in the same directory. Pid: 2016, comm: modprobe Tainted: G W 3.1.0-rc2 #6 Call Trace: [<ffffffff811dc5b4>] ? 0xffffffff811dc5b4 [<ffffffff811dc76e>] ? 0xffffffff811dc76e [<ffffffff8102dbbd>] ? 0xffffffff8102dbbd [<ffffffff812893ad>] ? 0xffffffff812893ad [<ffffffff8102be75>] ? 0xffffffff8102be75 [<ffffffff8102dbbd>] ? 0xffffffff8102dbbd [<ffffffff81290c76>] ? 0xffffffff81290c76 [<ffffffff81215181>] ? 0xffffffff81215181 [<ffffffffa0031e17>] ? 0xffffffffa0031e17 [<ffffffffa0021f2d>] ? 0xffffffffa0021f2d [<ffffffffa0009185>] ? 0xffffffffa0009185 [<ffffffff8127a87b>] ? 0xffffffff8127a87b [<ffffffff8127c415>] ? 0xffffffff8127c415 [<ffffffff814d065c>] ? 0xffffffff814d065c [<ffffffff811f767e>] ? 0xffffffff811f767e [<ffffffff811f8448>] ? 0xffffffff811f8448 [<ffffffff8128b110>] ? 0xffffffff8128b110 [<ffffffff8128b251>] ? 0xffffffff8128b251 [<ffffffff8128b330>] ? 0xffffffff8128b330 [<ffffffff8128b2e1>] ? 0xffffffff8128b2e1 [<ffffffff8128aabd>] ? 0xffffffff8128aabd [<ffffffff8128a46b>] ? 0xffffffff8128a46b [<ffffffff8128b865>] ? 0xffffffff8128b865 [<ffffffff811f869a>] ? 0xffffffff811f869a [<ffffffffa004c000>] ? 0xffffffffa004c000 [<ffffffffa004c000>] ? 0xffffffffa004c000 [<ffffffff81000208>] ? 0xffffffff81000208 [<ffffffff8105e445>] ? 0xffffffff8105e445 [<ffffffff814d0fd2>] ? 0xffffffff814d0fd2 [drm:intel_panel_setup_backlight] *ERROR* Failed to register backlight: -17 fbcon: inteldrmfb (fb0) is primary device Console: switching to colour frame buffer device 180x56 fb0: inteldrmfb frame buffer device drm: registered panic notifier acpi device:02: registered as cooling_device4 input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input6 ACPI: Video Device [VID] (multi-head: yes rom: no post: no) [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 [drm:ironlake_update_pch_refclk] *ERROR* enabling SSC on PCH cfg80211: Calling CRDA to update world regulatory domain Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree: Copyright(c) 2003-2011 Intel Corporation iwlagn 0000:02:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 iwlagn 0000:02:00.0: setting latency timer to 64 iwlagn 0000:02:00.0: pci_resource_len = 0x00002000 iwlagn 0000:02:00.0: pci_resource_base = ffffc90001ce8000 iwlagn 0000:02:00.0: HW Revision ID = 0x35 iwlagn 0000:02:00.0: irq 43 for MSI/MSI-X iwlagn 0000:02:00.0: Detected Intel(R) Centrino(R) Advanced-N 6200 AGN, REV=0x74 iwlagn 0000:02:00.0: L1 Disabled; Enabling L0S iwlagn 0000:02:00.0: device EEPROM VER=0x436, CALIB=0x6 iwlagn 0000:02:00.0: Device SKU: 0X1f0 iwlagn 0000:02:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels iwlagn 0000:02:00.0: loaded firmware version 9.221.4.1 build 25532 Registered led device: phy0-led ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs' iwlagn 0000:02:00.0: L1 Disabled; Enabling L0S iwlagn 0000:02:00.0: Radio type=0x1-0x3-0x1 iwlagn 0000:02:00.0: L1 Disabled; Enabling L0S iwlagn 0000:02:00.0: Radio type=0x1-0x3-0x1 wlan0: authenticate with 00:18:39:a3:83:94 (try 1) wlan0: authenticated wlan0: waiting for beacon from 00:18:39:a3:83:94 wlan0: beacon received wlan0: associate with 00:18:39:a3:83:94 (try 1) wlan0: RX AssocResp from 00:18:39:a3:83:94 (capab=0x471 status=0 aid=2) wlan0: associated iwlagn 0000:02:00.0: Queue 2 stuck for 2000 ms. iwlagn 0000:02:00.0: On demand firmware reload ieee80211 phy0: Hardware restart was requested iwlagn 0000:02:00.0: L1 Disabled; Enabling L0S iwlagn 0000:02:00.0: Radio type=0x1-0x3-0x1 wlan0: deauthenticating from 00:18:39:a3:83:94 by local choice (reason=3) cfg80211: Calling CRDA to update world regulatory domain iwlagn 0000:02:00.0: Error: Response NULL in 'REPLY_ADD_STA' iwlagn 0000:02:00.0: Adding station ff:ff:ff:ff:ff:ff failed. ------------[ cut here ]------------ WARNING: at lib/iomap.c:43 0xffffffffa00ac458() Hardware name: 5413FGA Bad IO access at port 0x0 () Modules linked in: iwlagn(-) mac80211 cfg80211 i915 drm_kms_helper Pid: 2889, comm: modprobe Tainted: G W 3.1.0-rc2 #6 Call Trace: [<ffffffff8103454c>] ? 0xffffffff8103454c [<ffffffff810345ff>] ? 0xffffffff810345ff [<ffffffffa00ac458>] ? 0xffffffffa00ac458 [<ffffffff811f82ed>] ? 0xffffffff811f82ed [<ffffffff8128af7c>] ? 0xffffffff8128af7c [<ffffffff8128b041>] ? 0xffffffff8128b041 [<ffffffff8128a36f>] ? 0xffffffff8128a36f [<ffffffff811f85eb>] ? 0xffffffff811f85eb [<ffffffffa00ac2a1>] ? 0xffffffffa00ac2a1 [<ffffffff8105e744>] ? 0xffffffff8105e744 [<ffffffff8109240c>] ? 0xffffffff8109240c [<ffffffff814d0b35>] ? 0xffffffff814d0b35 [<ffffffff814d0fd2>] ? 0xffffffff814d0fd2 ---[ end trace 7d200175acf13c74 ]--- Trying to free nonexistent resource <0000000000000021-00000000017cd000> Trying to free nonexistent resource <ffff880228481000-ffff88022eb38320> Trying to free nonexistent resource <ffff88022eb38fc0-ffffffffa006b108> general protection fault: 0000 [#1] PREEMPT SMP CPU 1 Modules linked in: iwlagn(-) mac80211 cfg80211 i915 drm_kms_helper
Pid: 2889, comm: modprobe Tainted: G W 3.1.0-rc2 #6 LENOVO 5413FGA/5413FGA RIP: 0010:[<ffffffff8128aec0>] [<ffffffff8128aec0>] 0xffffffff8128aec0 RSP: 0018:ffff880227e77e08 EFLAGS: 00010286 RAX: 8000000000000000 RBX: ffff88022eb38950 RCX: ffff88022fd99c20 RDX: ffff88022fd900a0 RSI: 0000000000000000 RDI: ffff88022eb38950 RBP: 0000000000000000 R08: 0000000000000002 R09: ffff88022eb382e0 R10: 00007fffd6a978f0 R11: 000000000000bd6b R12: ffff88022eb38300 R13: 00007fffd6a978f0 R14: 0000000000000001 R15: 00000000011404a0 FS: 00007f7fac94b700(0000) GS:ffff88023bc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00000000006b4c24 CR3: 0000000228587000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process modprobe (pid: 2889, threadinfo ffff880227e76000, task ffff880231c6c800) Stack: ffff88022eb382e0 ffff88022eb382e0 ffff88022eb382c0 ffffffffa00ac47c ffff8802326e1090 ffffffffa00b4bb0 ffff8802326e1000 ffffffff811f82ed ffff8802326e1090 ffffffffa00b4c10 ffff8802326e10f0 ffffffff8128af7c Call Trace: [<ffffffffa00ac47c>] ? 0xffffffffa00ac47c [<ffffffff811f82ed>] ? 0xffffffff811f82ed [<ffffffff8128af7c>] ? 0xffffffff8128af7c [<ffffffff8128b041>] ? 0xffffffff8128b041 [<ffffffff8128a36f>] ? 0xffffffff8128a36f [<ffffffff811f85eb>] ? 0xffffffff811f85eb [<ffffffffa00ac2a1>] ? 0xffffffffa00ac2a1 [<ffffffff8105e744>] ? 0xffffffff8105e744 [<ffffffff8109240c>] ? 0xffffffff8109240c [<ffffffff814d0b35>] ? 0xffffffff814d0b35 [<ffffffff814d0fd2>] ? 0xffffffff814d0fd2 Code: 48 8b 80 88 00 00 00 c3 31 c0 c3 55 48 89 f5 53 48 89 fb 48 83 ec 08 48 83 7f 08 00 75 09 e8 60 e0 ff ff 85 c0 75 0d 48 8b 43 08 RIP [<ffffffff8128aec0>] 0xffffffff8128aec0 RSP <ffff880227e77e08> ---[ end trace 7d200175acf13c75 ]---
Thanks, Jeff
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