Public bug reported:
Natty
0224 hwpack for omap
0224 linaro-nano image
On reboot the following was present in the dmesg log.
[ 9.383728] Registered led device: beagleboard::usr0
[ 9.383972] Registered led device: beagleboard::usr1
[ 9.397521] Registered led device: beagleboard::pmu_stat
[ 9.727447] input: twl4030_pwrbutton as
/devices/platform/omap/omap_i2c.1/i2c-1/1-0049/twl4030_pwrbutton/input/input4
[ 9.910858] twl4030_usb twl4030_usb: Initialized TWL4030 USB module
[ 10.045989] omap_device: omap_wdt.-1: new worst case activate latency 0:
30517
[ 10.046661] OMAP Watchdog Timer Rev 0x31: initial timeout 60 sec
[ 10.046691] omap_device: omap_wdt.-1: new worst case deactivate latency 0:
30517
[ 11.388854] smsc95xx v1.0.4
[ 11.444885] ------------[ cut here ]------------
[ 11.444946] WARNING: at
/build/buildd/linux-linaro-omap-2.6.37/lib/dma-debug.c:867
check_for_stack+0xd4/0x100()
[ 11.444976] ehci-omap ehci-omap.0: DMA-API: device driver maps memory
fromstack [addr=c14fbdcc]
[ 11.444976] Modules linked in: smsc95xx(+) usbnet omap2_mcspi omap_wdt
twl4030_pwrbutton twl4030_usb leds_gpio gpio_kes
[ 11.445068] [<c0065c44>] (unwind_backtrace+0x0/0xf8) from [<c009e068>]
(warn_slowpath_common+0x54/0x64)
[ 11.445098] [<c009e068>] (warn_slowpath_common+0x54/0x64) from [<c009e10c>]
(warn_slowpath_fmt+0x30/0x40)
[ 11.445129] [<c009e10c>] (warn_slowpath_fmt+0x30/0x40) from [<c0346b38>]
(check_for_stack+0xd4/0x100)
[ 11.445159] [<c0346b38>] (check_for_stack+0xd4/0x100) from [<c0348008>]
(debug_dma_map_page+0xb4/0xdc)
[ 11.445190] [<c0348008>] (debug_dma_map_page+0xb4/0xdc) from [<c041df8c>]
(map_urb_for_dma+0x26c/0x304)
[ 11.445220] [<c041df8c>] (map_urb_for_dma+0x26c/0x304) from [<c041e230>]
(usb_hcd_submit_urb+0x78/0x19c)
[ 11.445281] [<c041e230>] (usb_hcd_submit_urb+0x78/0x19c) from [<bf0b8d44>]
(smsc95xx_write_reg_async+0xd4/0x194 [smsc9)
[ 11.445312] [<bf0b8d44>] (smsc95xx_write_reg_async+0xd4/0x194 [smsc95xx])
from [<bf0b8f00>] (smsc95xx_set_multicast+0x)
[ 11.445373] [<bf0b8f00>] (smsc95xx_set_multicast+0xfc/0x148 [smsc95xx]) from
[<bf0b9244>] (smsc95xx_reset+0x2f8/0x68c )
[ 11.445404] [<bf0b9244>] (smsc95xx_reset+0x2f8/0x68c [smsc95xx]) from
[<bf0b9a1c>] (smsc95xx_bind+0xf0/0x1f4 [smsc95xx)
[ 11.445465] [<bf0b9a1c>] (smsc95xx_bind+0xf0/0x1f4 [smsc95xx]) from
[<bf0adee0>] (usbnet_probe+0x200/0x4c0 [usbnet])
[ 11.445495] [<bf0adee0>] (usbnet_probe+0x200/0x4c0 [usbnet]) from
[<c0423074>] (usb_probe_interface+0xe4/0x1c4)
[ 11.445526] [<c0423074>] (usb_probe_interface+0xe4/0x1c4) from [<c03a06bc>]
(really_probe+0x64/0x160)
[ 11.445556] [<c03a06bc>] (really_probe+0x64/0x160) from [<c03a0978>]
(driver_probe_device+0x48/0x60)
[ 11.445587] [<c03a0978>] (driver_probe_device+0x48/0x60) from [<c03a0a1c>]
(__driver_attach+0x8c/0x90)
[ 11.445587] [<c03a0a1c>] (__driver_attach+0x8c/0x90) from [<c039f99c>]
(bus_for_each_dev+0x50/0x7c)
[ 11.445617] [<c039f99c>] (bus_for_each_dev+0x50/0x7c) from [<c03a01ec>]
(bus_add_driver+0x1b0/0x2bc)
[ 11.445648] [<c03a01ec>] (bus_add_driver+0x1b0/0x2bc) from [<c03a0c40>]
(driver_register+0x78/0x13c)
[ 11.445678] [<c03a0c40>] (driver_register+0x78/0x13c) from [<c0421fec>]
(usb_register_driver+0x78/0x13c)
[ 11.445709] [<c0421fec>] (usb_register_driver+0x78/0x13c) from [<c0053654>]
(do_one_initcall+0x34/0x188)
[ 11.445770] [<c0053654>] (do_one_initcall+0x34/0x188) from [<c00d8ab8>]
(sys_init_module+0xb0/0x1c0)
[ 11.445800] [<c00d8ab8>] (sys_init_module+0xb0/0x1c0) from [<c005dc20>]
(ret_fast_syscall+0x0/0x30)
[ 11.445800] ---[ end trace 60bf9c0b366f3a26 ]---
** Affects: linux-linaro-omap (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/725252
Title:
beagle Xm : dma-debug check-for-stack
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