On Fri, Jun 15, 2012 at 7:17 PM, Jean Pihet <jean.pihet@xxxxxxxxxxxxxx> wrote: > Hi Keshava, > > On Fri, Jun 15, 2012 at 2:04 PM, Munegowda, Keshava > <keshava_mgowda@xxxxxx> wrote: >> On Tue, Jun 12, 2012 at 6:28 PM, Munegowda, Keshava >> <keshava_mgowda@xxxxxx> wrote: >>> hi kevin >>> now I am using initramfs with kernel linux3.5.rc1, >>> but the retention is not working in 3430 sdp. I am seeing the following >>> error followed by a crash >>> >>> >>> echo mem > /sys/power/state >>> [ 35.609252] PM: Syncing filesystems ... done. >>> [ 35.614654] PM: Preparing system for mem sleep >>> [ 35.658630] Freezing user space processes ... (elapsed 0.01 seconds) >>> done. >>> [ 35.689727] Freezing remaining freezable tasks ... (elapsed 0.02 seconds) >>> done. >>> [ 35.697692] PM: Entering mem sleep >>> [ 35.722442] usb usb1: usb auto-resume >>> [ 35.726409] ehci-omap ehci-omap.0: resume root hub >>> [ 35.775451] hub 1-0:1.0: hub_resume >>> [ 35.779846] hub 1-0:1.0: hub_suspend >>> [ 35.784240] usb usb1: bus suspend, wakeup 0 >>> [ 35.788665] ehci-omap ehci-omap.0: suspend root hub >>> [ 35.805786] PM: suspend of devices complete after 99.304 msecs >>> [ 35.816497] PM: late suspend of devices complete after 4.364 msecs >>> [ 35.831573] PM: noirq suspend of devices complete after 8.331 msecs >>> [ 35.838500] Disabling non-boot CPUs ... >>> [ 36.312164] Powerdomain (core_pwrdm) didn't enter target state 1 >>> [ 36.318481] Could not enter target state in pm_suspend >>> [ 36.324859] Unable to handle kernel NULL pointer dereference at virtual >>> address 00000018 >>> [ 36.333557] pgd = c6280000 >>> [ 36.336639] [00000018] *pgd=85c8f831, *pte=00000000, *ppte=00000000 >>> [ 36.343414] Internal error: Oops: 17 [#1] SMP ARM >>> [ 36.348388] Modules linked in: >>> [ 36.351623] CPU: 0 Tainted: G W (3.5.0-rc1 #1) >>> [ 36.357574] PC is at _od_resume_noirq+0x14/0x58 >>> [ 36.362365] LR is at dpm_run_callback+0x2c/0x74 > > You need the fix from > https://gitorious.org/linux-omap-dss2/linux/commit/9e0ca55fa5d9ff012964a7c7cef8af1b814b2fdb > > Hope this helps! > > Regards, > Jean thanks Jean I used this patch; this solved the crash issue, but suspend/resume is still failing. regards keshava -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
