* [natsemi] DMA-API: device driver failed to check map error
@ 2014-02-27 23:19 Alexandros C. Couloumbis
0 siblings, 0 replies; only message in thread
From: Alexandros C. Couloumbis @ 2014-02-27 23:19 UTC (permalink / raw)
To: netdev
Hello,
I got below warning on current linux 3.13.5
bus: 'pci': add driver natsemi
kobject: 'natsemi' (c7121780): kobject_add_internal: parent: 'drivers',
set: 'drivers'
bus: 'pci': driver_probe_device: matched device 0000:00:0e.0 with
driver natsemi
bus: 'pci': really_probe: probing driver natsemi with device
0000:00:0e.0
natsemi dp8381x driver, version 2.1, Sept 11, 2006
originally by Donald Becker <becker@scyld.com>
2.4.x kernel port by Jeff Garzik, Tjeerd Mulder
device: 'eth0': device_add
kobject: 'net' (c71387c0): kobject_add_internal: parent:
'0000:00:0e.0', set: '(null)'
kobject: 'eth0' (c782fa58): kobject_add_internal: parent: 'net', set:
'devices'
kobject: 'eth0' (c782fa58): kobject_uevent_env
kobject: 'eth0' (c782fa58): fill_kobj_path: path =
'/devices/pci0000:00/0000:00:0e.0/net/eth0'
kobject: 'queues' (c7137488): kobject_add_internal: parent: 'eth0',
set: '<NULL>'
kobject: 'queues' (c7137488): kobject_uevent_env
kobject: 'queues' (c7137488): kobject_uevent_env: filter function
caused the event to drop!
kobject: 'tx-0' (c789888c): kobject_add_internal: parent: 'queues',
set: 'queues'
kobject: 'tx-0' (c789888c): kobject_uevent_env
kobject: 'tx-0' (c789888c): fill_kobj_path: path =
'/devices/pci0000:00/0000:00:0e.0/net/eth0/queues/tx-0'
natsemi eth0: NatSemi DP8381[56] at 0x80000000 (0000:00:0e.0),
00:0d:b9:01:3b:6c, IRQ 10, port TP.
driver: '0000:00:0e.0': driver_bound: bound to device 'natsemi'
bus: 'pci': really_probe: bound device 0000:00:0e.0 to driver natsemi
kobject: 'natsemi' (c7121780): kobject_uevent_env
kobject: 'natsemi' (c7121780): fill_kobj_path: path =
'/bus/pci/drivers/natsemi'
eth0: DSPCFG accepted after 0 usec.
eth0: link up.
eth0: Setting full-duplex based on negotiated link capability.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at lib/dma-debug.c:937 check_unmap+0x5ca/0x66b()
natsemi 0000:00:0e.0: DMA-API: device driver failed to check map
error[device address=0x00000000066c0040] [size=1538 bytes] [mapped as
single]
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 3.13.5 #5
00000000 c1246fdc c7809e90 c11d4746 c7809ea4 c1016ad2 c122e39f
c7802af0
c7880b00 c7809ebc c1016b0f 00000009 c7809eb4 c1247488 c7809ed0
c7809f1c
c110b360 c1246fdc 000003a9 c1247488 c12524af c7802af0 066c0040
00000000
Call Trace:
[<c11d4746>] dump_stack+0x16/0x18
[<c1016ad2>] warn_slowpath_common+0x52/0x69
[<c1016b0f>] warn_slowpath_fmt+0x26/0x2a
[<c110b360>] check_unmap+0x5ca/0x66b
[<c110b462>] debug_dma_unmap_page+0x61/0x69
[<c115d055>] natsemi_poll+0x33b/0x5b1
[<c1179e10>] net_rx_action+0x3f/0xf4
[<c1018fd5>] __do_softirq+0x81/0x146
[<c1018f54>] ? __tasklet_schedule+0x37/0x37
<IRQ> [<c101922b>] ? irq_exit+0x31/0x3f
[<c10027f5>] ? do_IRQ+0x5e/0x73
[<c11d72a9>] ? common_interrupt+0x29/0x2e
[<c1005b41>] ? default_idle+0x5/0x7
[<c1005fba>] ? arch_cpu_idle+0x12/0x17
[<c10315f1>] ? cpu_startup_entry+0x62/0xbd
[<c11cffc7>] ? rest_init+0x57/0x59
[<c129d88a>] ? start_kernel+0x268/0x26d
[<c129d2af>] ? i386_start_kernel+0x79/0x7d
---[ end trace 6926f272918daaf2 ]---
addr2line -e vmlinux c1179e10
net/core/dev.c:4342
[work = n->poll(n, weight);]
addr2line -e vmlinux c115d055
drivers/net/ethernet/natsemi/natsemi.c:2361
[skb_put(skb = np->rx_skbuff[entry], pkt_len);]
Regards.
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2014-02-27 23:19 [natsemi] DMA-API: device driver failed to check map error Alexandros C. Couloumbis
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