Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751942Ab0L2Kad (ORCPT ); Wed, 29 Dec 2010 05:30:33 -0500 Received: from mail-ey0-f174.google.com ([209.85.215.174]:60834 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750914Ab0L2Kaa (ORCPT ); Wed, 29 Dec 2010 05:30:30 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:reply-to:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding:message-id; b=QO8gq6+RcrsrDrGO/i56u8xokiuX0QKz/gKyjwYKbBeBbDozjC62Q16FK95O3HR/MJ dQLNVLoYBfDWK7bpmeiB44LJZfO4WsnVJ4BVOJT2/cTaRiVQTXoG2Lc+e/3mN8GWVFj0 wrZSMaqwBHQGOXm6YYyu00Hj8lnNl6N7JWddg= From: Maciej Rutecki Reply-To: maciej.rutecki@gmail.com To: "Mario 'BitKoenig' Holbe" , netdev@vger.kernel.org Subject: Re: 2.6.37-rc7: Regression: b43: crashes in hwrng_register() Date: Wed, 29 Dec 2010 11:30:25 +0100 User-Agent: KMail/1.13.5 (Linux/2.6.37-rc6; KDE/4.4.5; i686; ; ) Cc: linux-kernel@vger.kernel.org References: In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201012291130.25416.maciej.rutecki@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6633 Lines: 124 (CC added) I created a Bugzilla entry at https://bugzilla.kernel.org/show_bug.cgi?id=25812 for your bug report, please add your address to the CC list in there, thanks! On wtorek, 28 grudnia 2010 o 14:32:29 Mario 'BitKoenig' Holbe wrote: > Hello, > > on 2.6.37-rc7 the b43 driver crashes in hwrng_register(). This makes the > system virtually unusable since it appears to block networking syscalls. > This leads to, for example, ifconfig never return. > This issue does also exist in 2.6.37-rc5. > This issue does not exist in 2.6.36.2. > > The hardware in question is: > 02:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g > LP-PHY [14e4:4315] (rev 01) on a Lenovo Ideapad S12 with VIA Nano. > > dmesg excerpt: > [ 2.056847] b43-pci-bridge 0000:02:00.0: PCI INT A -> GSI 28 (level, > low) -> IRQ 28 [ 2.056864] b43-pci-bridge 0000:02:00.0: setting latency > timer to 64 ... > [ 8.643695] b43-phy0: Broadcom 4312 WLAN found (core revision 15) > [ 9.047514] ieee80211 phy0: Selected rate control algorithm > 'minstrel_ht' [ 9.048441] Registered led device: b43-phy0::tx > [ 9.048479] Registered led device: b43-phy0::rx > [ 9.048518] Registered led device: b43-phy0::radio > [ 9.048542] Broadcom 43xx driver loaded [ Features: PMLS, Firmware-ID: > FW13 ] ... > [ 24.312100] b43-phy0: Loading firmware version 410.2160 (2007-05-26 > 15:32:10) ... > [ 29.848400] b43-pci-bridge 0000:02:00.0: PCI: Disallowing DAC for device > [ 29.848407] b43-phy0: DMA mask fallback from 64-bit to 32-bit > [ 29.868632] BUG: unable to handle kernel paging request at 907cde0c > [ 29.868640] IP: [] hwrng_register+0x4c/0x139 [rng_core] > [ 29.868655] *pde = 00000000 > [ 29.868659] Oops: 0000 [#1] SMP > [ 29.868664] last sysfs file: /sys/bus/pci/drivers/parport_pc/uevent > [ 29.868670] Modules linked in: parport_pc ppdev lp parport sbs sbshc > power_meter pci_slot hed fan container acpi_cpufreq mperf > cpufreq_conservative cpufreq_userspace cpufreq_stats cpufreq_powersave > dm_crypt fuse loop eeprom via_cputemp i2c_dev nvram padlock_aes aes_i586 > aes_generic padlock_sha sha256_generic sha1_generic via_rng msr cpuid > snd_hda_codec_realtek snd_hda_intel snd_hda_codec arc4 snd_hwdep ecb > snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_midi b43 snd_rawmidi uvcvideo > snd_seq_midi_event joydev videodev btusb snd_seq rng_core video ac battery > tpm_tis v4l1_compat tpm tpm_bios output power_supply i2c_viapro snd_timer > ideapad_laptop snd_seq_device serio_raw wmi mac80211 cfg80211 processor > snd pcspkr i2c_core psmouse button bluetooth evdev shpchp soundcore > snd_page_alloc rfkill pci_hotplug ext3 jbd mbcache raid10 raid456 > async_raid6_recov async_pq raid6_pq async_xor xor async_memcpy async_tx > raid1 raid0 multipath linear md_mod dm_mirror dm_region_hash dm_log dm_mod > btrfs zli b_deflate crc32c libcrc32c sd_mod crc_t10dif ata_generic > uhci_hcd pata_via libata ssb ehci_hcd tg3 scsi_mod usbcore pcmcia > via_sdmmc mmc_core pcmcia_core libphy thermal thermal_sys nls_base [last > unloaded: scsi_wait_scan] [ 29.868810] > [ 29.868816] Pid: 1781, comm: NetworkManager Not tainted 2.6.37-rc7-686 > #1 MoutCook/20021,2959 [ 29.868822] EIP: 0060:[] EFLAGS: > 00010286 CPU: 0 > [ 29.868829] EIP is at hwrng_register+0x4c/0x139 [rng_core] > [ 29.868834] EAX: 00000001 EBX: f4b17010 ECX: f6e5db6c EDX: f4b17035 > [ 29.868839] ESI: 907cddf0 EDI: 00000000 EBP: 00000036 ESP: f6e5db54 > [ 29.868844] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 > [ 29.868850] Process NetworkManager (pid: 1781, ti=f6e5c000 task=f6eb6080 > task.ti=f6e5c000) [ 29.868854] Stack: > [ 29.868856] f4b16fc0 f4b17035 f8e5a870 f4b17035 0000001f f8e70095 > f8e6f9ca f4b71e70 [ 29.868866] 0000000f f6c95000 f6c95000 f6e97400 > f4b162c0 f4b10240 f4b16fc8 f8e5ad67 [ 29.868875] f89e43da f4b162c0 > f6cab400 f8b80e44 f6cab000 f8b70889 f8b6fe7a 00000000 [ 29.868884] Call > Trace: > [ 29.868909] [] ? b43_wireless_core_init+0xd0c/0xdd6 [b43] > [ 29.868925] [] ? b43_op_start+0xf8/0x142 [b43] > [ 29.868947] [] ? cfg80211_netdev_notifier_call+0x342/0x355 > [cfg80211] [ 29.868984] [] ? ieee80211_do_open+0xed/0x45f > [mac80211] [ 29.869002] [] ? > ieee80211_check_concurrent_iface+0x1c/0x135 [mac80211] [ 29.869015] > [] ? __dev_open+0x7d/0xa7 > [ 29.869022] [] ? __dev_change_flags+0x9a/0x10d > [ 29.869028] [] ? dev_change_flags+0x10/0x3b > [ 29.869036] [] ? do_setlink+0x23e/0x532 > [ 29.869044] [] ? rtnl_setlink+0xd0/0xe1 > [ 29.869058] [] ? __strncpy_from_user+0x1d/0x2b > [ 29.869064] [] ? rtnl_setlink+0x0/0xe1 > [ 29.869069] [] ? rtnetlink_rcv_msg+0x186/0x19c > [ 29.869075] [] ? rtnetlink_rcv_msg+0x0/0x19c > [ 29.869082] [] ? netlink_rcv_skb+0x2d/0x72 > [ 29.869088] [] ? rtnetlink_rcv+0x18/0x1e > [ 29.869093] [] ? netlink_unicast+0xba/0x10e > [ 29.869099] [] ? netlink_sendmsg+0x23d/0x256 > [ 29.869111] [] ? __sock_sendmsg+0x48/0x4e > [ 29.869117] [] ? sock_sendmsg+0x78/0x8f > [ 29.869123] [] ? sock_sendmsg+0x78/0x8f > [ 29.869131] [] ? d_kill+0x38/0x3d > [ 29.869141] [] ? verify_iovec+0x3d/0x79 > [ 29.869147] [] ? sys_sendmsg+0x15f/0x1c1 > [ 29.869153] [] ? sockfd_lookup_light+0x13/0x3f > [ 29.869160] [] ? sys_sendto+0xfd/0x121 > [ 29.869166] [] ? sk_prot_alloc+0x62/0xd6 > [ 29.869174] [] ? __switch_to+0x6f/0xe2 > [ 29.869183] [] ? schedule+0x579/0x5b6 > [ 29.869190] [] ? sys_recvmsg+0x3c/0x47 > [ 29.869196] [] ? sys_socketcall+0x17f/0x1cb > [ 29.869202] [] ? sysenter_do_call+0x12/0x28 > [ 29.869206] Code: f8 e8 46 25 53 c8 8b 35 ec 45 d5 f8 eb 1a 8b 13 8b 06 > e8 17 11 3f c8 85 c0 75 0a be ef ff ff ff e9 d3 00 00 00 8b 76 1c 83 ee 1c > <8b> 46 1c 0f 18 00 90 81 fe d0 45 d5 f8 75 d4 83 3d ec 47 d5 f8 [ > 29.869249] EIP: [] hwrng_register+0x4c/0x139 [rng_core] SS:ESP > 0068:f6e5db54 [ 29.869259] CR2: 00000000907cde0c > [ 29.869264] ---[ end trace 6719399ed79e8cc1 ]--- > > > regards > Mario -- Maciej Rutecki http://www.maciek.unixy.pl -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/