Package: linux-2.6 Version: 2.6.39~rc5-1~experimental.1 Severity: normal i was experiencing lockups on an armhf kernel built from the experimental branch:
[ 2.644589] usb 2-1.1: SerialNumber: 1.0 [ 240.664217] INFO: task swapper:1 blocked for more than 120 seconds. [ 240.670509] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 240.678374] swapper D c0285240 0 1 0 0x00000000 [ 240.684824] [<c0285240>] (schedule+0x4bc/0x510) from [<c0285ca0>] (__mutex_lock_slowpath+0x7c/0xa0) [ 240.693914] [<c0285ca0>] (__mutex_lock_slowpath+0x7c/0xa0) from [<c01e2bb8>] (mc13xxx_rtc_read_time+0x18/0xe4) [ 240.703967] [<c01e2bb8>] (mc13xxx_rtc_read_time+0x18/0xe4) from [<c01e0974>] (__rtc_read_time+0x4c/0x50) the following patch by Arnaud Patard seemed to resolve the problem: http://patchwork.ozlabs.org/patch/89644/ Index: imx-test/drivers/rtc/rtc-mc13xxx.c =================================================================== --- imx-test.orig/drivers/rtc/rtc-mc13xxx.c +++ imx-test/drivers/rtc/rtc-mc13xxx.c @@ -349,8 +349,13 @@ static int __devinit mc13xxx_rtc_probe(s if (ret) goto err_alarm_irq_request; + mc13xxx_unlock(mc13xxx); + priv->rtc = rtc_device_register(pdev->name, &pdev->dev, &mc13xxx_rtc_ops, THIS_MODULE); + + mc13xxx_lock(mc13xxx); + if (IS_ERR(priv->rtc)) { ret = PTR_ERR(priv->rtc); live well, vagrant -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20110506051246.GC10524@talon.fglan