linux-kernel - 2.6.31-git4 -- ATL1E 0000:03:00.0: DMA-API: device driver frees DMA memory with wrong function [device address=0x0000000036b92802] [size=90 bytes] [mapped as single] [unmapped as page]

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Date:	Tue, 15 Sep 2009 21:50:21 -0400
From:	Miles Lane <miles.lane@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>,
	Jay Cliburn <jcliburn@...il.com>,
	Chris Snook <chris.snook@...il.com>,
	Jie Yang <jie.yang@...eros.com>
Subject: 2.6.31-git4 -- ATL1E 0000:03:00.0: DMA-API: device driver frees DMA 
	memory with wrong function [device address=0x0000000036b92802] [size=90 
	bytes] [mapped as single] [unmapped as page]

Resending.  The first time I was composing with HTML enabled.  Sorry.

[   25.059969] WARNING: at lib/dma-debug.c:816 check_unmap+0x383/0x55c()
[   25.059976] Hardware name: 1000HE
[   25.059984] ATL1E 0000:03:00.0: DMA-API: device driver frees DMA
memory with wrong function [device address=0x0000000036b92802]
[size=90 bytes] [mapped as single] [unmapped as page]
[   25.059992] Modules linked in: snd_hda_codec snd_pcm_oss
snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi
snd_rawmidi snd_seq_midi_event uvcvideo snd_seq snd_timer
snd_seq_device videodev v4l1_compat ath9k rtc_cmos snd ath rtc_core
soundcore rtc_lib rng_core snd_page_alloc eeepc_laptop hid_logitech
usbhid ehci_hcd uhci_hcd atl1e usbcore
[   25.060026] Pid: 1465, comm: NetworkManager Not tainted 2.6.31-git4 #8
[   25.060026] Call Trace:
[   25.060026]  [<c102d19c>] warn_slowpath_common+0x65/0x7c
[   25.060026]  [<c11b01c8>] ? check_unmap+0x383/0x55c
[   25.060026]  [<c102d1e7>] warn_slowpath_fmt+0x24/0x27
[   25.060026]  [<c11b01c8>] check_unmap+0x383/0x55c
[   25.060026]  [<c11b04f9>] debug_dma_unmap_page+0x53/0x5b
[   25.060026]  [<f80efaa6>] T.896+0x42/0x4c [atl1e]
[   25.060026]  [<f80f06cc>] atl1e_intr+0x2b1/0x37c [atl1e]
[   25.060026]  [<c106d552>] handle_IRQ_event+0x55/0x10a
[   25.060026]  [<c106ecb7>] handle_edge_irq+0xa9/0xec
[   25.060026]  [<c106ec0e>] ? handle_edge_irq+0x0/0xec
[   25.060026]  <IRQ>  [<c1004152>] ? do_IRQ+0x44/0x97
[   25.060026]  [<c10032f5>] ? common_interrupt+0x35/0x3c
[   25.060026] ---[ end trace 5c0b2c80cbd34aa4 ]---
[   25.060026] Mapped at:
[   25.060026]  [<c11b079a>] debug_dma_map_page+0x53/0x115
[   25.060026]  [<f80ef1e1>] T.895+0x8c/0x97 [atl1e]
[   25.060026]  [<f80ef7e7>] atl1e_xmit_frame+0x5fb/0x878 [atl1e]
[   25.060026]  [<c12c9a37>] dev_hard_start_xmit+0x21f/0x2a5
[   25.060026]  [<c12d7cd7>] sch_direct_xmit+0x50/0x12a
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