From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Wey-Yi Guy <wey-yi.w.guy@intel.com>,
Intel Linux Wireless <ilw@linux.intel.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH] iwlwifi: fix dma mappings and skbs leak
Date: Mon, 14 Feb 2011 13:50:47 +0100 [thread overview]
Message-ID: <20110214125046.GB14827@redhat.com> (raw)
In-Reply-To: <1297683529-4053-1-git-send-email-sgruszka@redhat.com>
On Mon, Feb 14, 2011 at 12:38:49PM +0100, Stanislaw Gruszka wrote:
> WARNING: at lib/dma-debug.c:689 dma_debug_device_change+0x15a/0x1b0()
> Hardware name: HP xw8600 Workstation
> pci 0000:80:00.0: DMA-API: device driver has pending DMA allocations while released from device [count=444]
> Modules linked in: iwlagn(-) iwlcore cryptd aes_x86_64 aes_generic fuse autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf xt_physdev ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm uinput hp_wmi sparse_keymap wmi sg microcode serio_raw iTCO_wdt iTCO_vendor_support tg3 snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm arc4 ecb snd_timer snd soundcore snd_page_alloc i5k_amb hwmon i5400_edac edac_core shpchp mac80211 cfg80211 rfkill ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom firewire_ohci firewire_core crc_itu_t mptsas mptscsih mptbase scsi_transport_sas pata_acpi ata_generic ata_piix ahci libahci floppy nouveau ttm drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: iwlcore]
> Pid: 7382, comm: rmmod Not tainted 2.6.38-rc3-wl+ #17
> Call Trace:
> [<ffffffff81064bef>] ? warn_slowpath_common+0x7f/0xc0
> [<ffffffff81064ce6>] ? warn_slowpath_fmt+0x46/0x50
> [<ffffffff8125ea6b>] ? dma_debug_device_change+0xdb/0x1b0
> [<ffffffff8125eaea>] ? dma_debug_device_change+0x15a/0x1b0
> [<ffffffff814dfed8>] ? notifier_call_chain+0x58/0xb0
> [<ffffffff8108e6a0>] ? __blocking_notifier_call_chain+0x60/0x90
> [<ffffffff8108e6e6>] ? blocking_notifier_call_chain+0x16/0x20
> [<ffffffff81326fcc>] ? __device_release_driver+0xbc/0xe0
> [<ffffffff813270c8>] ? driver_detach+0xd8/0xe0
> [<ffffffff81325e91>] ? bus_remove_driver+0x91/0x100
> [<ffffffff813278e2>] ? driver_unregister+0x62/0xa0
> [<ffffffff81269f94>] ? pci_unregister_driver+0x44/0xa0
> [<ffffffffa0750e75>] ? iwl_exit+0x15/0x1c [iwlagn]
> [<ffffffff810abd22>] ? sys_delete_module+0x1a2/0x270
> [<ffffffff814db0d9>] ? trace_hardirqs_on_thunk+0x3a/0x3f
> [<ffffffff8100bf82>] ? system_call_fastpath+0x16/0x1b
Hmm, I still have this warning after patch applied, so problem is not
fully fixed.
Plese hold with with that patch for now.
Stanislaw
next prev parent reply other threads:[~2011-02-14 12:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-14 11:38 [PATCH] iwlwifi: fix dma mappings and skbs leak Stanislaw Gruszka
2011-02-14 12:50 ` Stanislaw Gruszka [this message]
2011-02-14 14:24 ` Stanislaw Gruszka
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