bug?: WARNING: at lib/dma-debug.c:816 check_unmap+0x38e/0x578() (Not tainted) Hardware name: Aspire one

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type=1400 audit(1254262761.504:7): avc:  denied  { search } for  pid=1487 comm="polkitd" name="root" dev=dm-0 ino=277 scontext=system_u:system_r:policykit_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_dir_t:s0 tclass=dir
fuse init (API version 7.12)
SELinux: initialized (dev fuse, type fuse), uses genfs_contexts
wlan0: authenticate with AP 00:1c:58:05:e7:a0
wlan0: authenticated
wlan0: associate with AP 00:1c:58:05:e7:a0
wlan0: RX AssocResp from 00:1c:58:05:e7:a0 (capab=0x431 status=0 aid=54)
wlan0: associated
ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan0: no IPv6 routers present
wlan0: disassociating by local choice (reason=3)
wlan0: deauthenticated (Reason: 2)
wlan0: direct probe to AP 00:1c:58:05:e8:90 try 1
wlan0: authenticate with AP 00:1c:58:05:e7:a0
wlan0: authenticated
wlan0: associate with AP 00:1c:58:05:e7:a0
wlan0: RX AssocResp from 00:1c:58:05:e7:a0 (capab=0x431 status=0 aid=55)
wlan0: associated
wlan0: disassociating by local choice (reason=3)
wlan0: deauthenticated (Reason: 2)
ATL1E 0000:03:00.0: ATL1E: eth0 NIC Link is Up<100 Mbps Full Duplex>
ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
------------[ cut here ]------------
WARNING: at lib/dma-debug.c:816 check_unmap+0x38e/0x578() (Not tainted)
Hardware name: Aspire one      
ATL1E 0000:03:00.0: DMA-API: device driver frees DMA memory with wrong function [device address=0x0000000030369062] [size=90 bytes] [mapped as single] [unmapped as page]
Modules linked in: fuse nfsd lockd nfs_acl auth_rpcgss exportfs sunrpc ip6t_REJECT nf_conntrack_ipv6 ip6table_filter ip6_tables ipv6 cpufreq_ondemand acpi_cpufreq dm_multipath uinput snd_hda_codec_realtek arc4 ecb snd_hda_intel ath5k snd_hda_codec uvcvideo mac80211 videodev snd_hwdep iTCO_wdt v4l1_compat ath iTCO_vendor_support snd_pcm i2c_i801 joydev atl1e cfg80211 snd_timer snd rfkill soundcore snd_page_alloc wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video output [last unloaded: microcode]
Pid: 1231, comm: NetworkManager Not tainted 2.6.31.1-48.fc12.i686 #1
Call Trace:
 [<c0444a9d>] warn_slowpath_common+0x7b/0xa3
 [<c060c224>] ? check_unmap+0x38e/0x578
 [<c0444b2e>] warn_slowpath_fmt+0x34/0x48
 [<c060c224>] check_unmap+0x38e/0x578
 [<c060c5b4>] debug_dma_unmap_page+0x62/0x7b
 [<f898f11f>] pci_unmap_page.clone.3+0x53/0x6e [atl1e]
 [<f8990065>] atl1e_intr+0x2e0/0x3b6 [atl1e]
 [<c049a8c3>] ? handle_edge_irq+0xb3/0x111
 [<c0498b96>] handle_IRQ_event+0x56/0x112
 [<c049a8cc>] handle_edge_irq+0xbc/0x111
 [<c0405fa4>] handle_irq+0x50/0x6c
 [<c04056c5>] do_IRQ+0x52/0xb7
 [<c0404095>] common_interrupt+0x35/0x3c
 [<c04713f0>] ? lock_acquire+0xcb/0xeb
 [<c0800842>] ? unix_stream_sendmsg+0x1a4/0x269
 [<c0800842>] ? unix_stream_sendmsg+0x1a4/0x269
 [<c0826b85>] _spin_lock+0x31/0x72
 [<c0800842>] ? unix_stream_sendmsg+0x1a4/0x269
 [<c0800842>] unix_stream_sendmsg+0x1a4/0x269
 [<c0776c78>] __sock_sendmsg+0x5f/0x79
 [<c077906a>] sock_aio_write+0xbd/0xd7
 [<c05be04d>] ? inode_has_perm+0x69/0x84
 [<c04f8975>] do_sync_readv_writev+0xc9/0x10d
 [<c0778fad>] ? sock_aio_write+0x0/0xd7
 [<c045d25e>] ? autoremove_wake_function+0x0/0x55
 [<c05b51e6>] ? security_file_permission+0x23/0x36
 [<c04f8c6c>] ? rw_verify_area+0xa3/0xd5
 [<c04f9870>] do_readv_writev+0x9a/0xfe
 [<c0778fad>] ? sock_aio_write+0x0/0xd7
 [<c046e699>] ? lock_release_holdtime+0x39/0x143
 [<c04fa0d3>] ? __rcu_read_unlock+0x0/0x3d
 [<c04f991f>] vfs_writev+0x4b/0x6c
 [<c04f9a53>] sys_writev+0x55/0xb8
 [<c0403a50>] syscall_call+0x7/0xb
---[ end trace cdc00dfdbecdf0e1 ]---
Mapped at:
 [<c060c91f>] debug_dma_map_page+0x6b/0x13b
 [<f898e7fc>] pci_map_single.clone.2+0x72/0x8d [atl1e]
 [<f898ee39>] atl1e_xmit_frame+0x622/0x8b5 [atl1e]
 [<c0787e6d>] dev_hard_start_xmit+0x230/0x2c9
 [<c079a122>] __qdisc_run+0xd6/0x1cb
eth0: no IPv6 routers present
firefox used greatest stack depth: 4724 bytes left
firefox used greatest stack depth: 4716 bytes left


Regards,

Antonio


      

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