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AM335x custom board VBUS error

Other Parts Discussed in Thread: AM3357

Hi,


i'm using am3357 custom board when i try to boot the board till kernel it is booting good but it not taking the file-system from sd card..i'm getting below error....

[    1.774993] Waiting for root device /dev/mmcblk0p2...
[    3.282104] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[    5.432098] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[    7.582122] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[    9.732086] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   11.882080] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   14.032104] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   16.182098] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   18.332092] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   20.482086] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   22.632080] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   24.782104] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   26.932098] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   29.082092] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   31.232116] ti81xx_interrupt 1148: VBUS error workaround (delay coming)
[   33.382110] ti81xx_interrupt 1148: VBUS error workaround (delay coming)

here i measured the voltage value at VUSB_VBUS pin there i'm getting the voltage fluctuations from 0V to 4.4V like every time the voltage is not getting constant....if any body knows plz help me