balaji at raobalaji.com
Sun Dec 7 15:49:50 CET 2008
On Sun, Dec 07, 2008 at 02:41:13PM +0000, Andy Green wrote:
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> Somebody in the thread at some point said:
> | Right now, I use andy-tracking branch, and the version I built
> | was 2eb3742db1ecd3d9ffe8f02eaa8def1b2bd2a2c2.
> | I copied arch/arm/configs/gta02-moredrivers-defconfig to
> | .config, then I used the build script to build.
> | After the build, I got uImage-GTA02.bin and
> | uImage-moredrivers-GTA02_andy-tracking_2eb3742db1ecd3d9.bin. I think
> | they are the same. That are the image I used.
> | I changed the runlevel to 3 and tried as I can. The resume
> | seemed not work for me. and I got a resume panic log by using debug
> | board, as attached file. Any ideas about what I may do wrong ?
> First what's up with your terminal emulator, you need to set it to add
> CR to LF or use a more normal one.
> Did you have a uSD in the device at this time?
> The first two backtraces are not "panics" but warning backtraces about
> sequencing of regulator stuffs, to show where the code that needs work
> is and how we got there. They're on my list of stuff to fix, but these
> are not fatal errors.
> Then there is this:
> ~ <3>[ 229.785000] INFO: task apmd:685
> blocked for more than 120 seconds.
> ~ <3>[ 229.785000] "echo 0 >
> /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> ~ <6>[ 229.785000] apmd D c0378cd8 0 685 1
> <4>[ 229.785000] [<c03789c8>] (schedule+0x0/0x36c) from [<c01ca354>]
> ~ <4>[ 229.785000] [<c01ca230>] (apm_ioctl+0x0/0x1e4) from [<c00bc3b8>]
> ~ <4>[ 229.785000] r6:00004102 r5:00000000 r4:c783b200
> ~ <4>[ 229.785000] [<c00bc338>]
> (vfs_ioctl+0x0/0x9c) from [<c00bc93c>] (do_vfs_ioctl+0x150/0x16c)
> ~ <4>[ 229.785000] r6:00004102
> r5:fffffff7 r4:00000000
> ~ <4>[ 229.785000] [<c00bc7ec>] (do_vfs_ioctl+0x0/0x16c) from
> [<c00bc998>] (sys_ioctl+0x40/0x60)
> ~ <4>[ 229.785000] r4:c783b200
> ~ <4>[ 229.785000] [<c00bc958>]
> (sys_ioctl+0x0/0x60) from [<c002fde0>] (ret_fast_syscall+0x0/0x2c)
> ~ <4>[ 229.785000]
> r6:0000003c r5:40e032c0 r4:00000000
> ~ <4>[ 229.785000] INFO: lockdep is turned off.
> ~ <0>Kernel panic -
> not syncing: softlockup: blocked task
> I'm not running apmd and I don't get any trouble therefore... what is
> apmd doing? Is this because you suspended by apm -s?
I just used apm -s and it suspended and resumed perfectly. Probably a
bug in your apm command ? Try 'echo mem > /sys/power/state'.
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