On 09/24/12 21:21, Paul Walmsley wrote:
>
> Here are some basic OMAP boot and power management test results for
> v3.6-rc6:
>
> http://www.pwsan.com/omap/testlogs/test_v3.6-rc6/20120918101040/
>
> Some observations:
>
> Boot tests:
>
> * CM-T3517: L3 in-band error with IPSS during boot
> - Cause unknown but see
> http://marc.info/?l=linux-omap&m=134833869730129&w=2
> - Longstanding issue; does not occur on the 3517EVM
I'll be able to put some human resources on investigating this
in a couple of weeks hopefully. Currently, it does not affect all
boards (using the same boot loader) and does not look that it interferes
with any functionality later in the boot or runtime.
>
> * 3517EVM & CM-T3517: boot hangs
> - Probably due to the use of NFS root; there are likely some Kconfig,
> board file, and PM issues with EMAC
Have you tried the nohlt boot parameter?
It looks like the wfi is killing those SoCs once you use EMAC.
>
> PM tests:
>
> * 37xx EVM: CORE not entering dynamic off-idle
> - Cause unknown; dynamic retention-idle seems to work; system suspend to
> off works
>
> * 3730 Beagle XM: does not serial wake from off-idle suspend when console
> UART doesn't clock gate ("debug ignore_loglevel")
> - Not shown in the current test logs; cause unknown
>
> * 4430ES2 Panda: UART corruption during long transmit buffers
> - Presumably due to either a missing hardware workaround or a bug in
> the OMAP serial driver
>
> Other:
>
> * RCU stall messages appear if boards are booted into a minimal userspace
> and left to sit for a few minutes
> - Fixed by http://marc.info/?l=linux-arm-kernel&m=134835120600590&w=2
>
>
> Changes from v3.6-rc6 (test 20120918101040):
> (see http://www.pwsan.com/omap/testlogs/test_v3.6-rc6/20120918101040/ )
>
> - Added comments about RCU stalls, appearing since at least v3.6-rc3
>
> - Updated CM-T3517 "USB OTG" (really IPSS) comment
>
> object size (delta in bytes from test_v3.6-rc6
> (5698bd757d55b1bb87edd1a9744ab09c142abfc2)):
> text data bss total kernel
> -328 +72 0 -256 2430_testconfig
> -16 +16 0 0 5912osk_testconfig
> -376 +72 0 -304 am33xx_testconfig
> +64 +32 0 +96 n800_b_testconfig
> +80 +64 0 +144 n800_multi_omap2xxx
> +80 +32 0 +112 n800_testconfig
> +72 +80 0 +152 omap1510_defconfig
> +40 +16 0 +56 omap1_defconfig
> +80 +64 0 +144 omap2_4_testconfig
> -376 +40 0 -336 omap2plus_defconfig
> -376 +72 0 -304 omap2plus_defconfig_cpupm
> +20 +72 0 +92 omap2plus_no_pm
> +20 +8 0 +28 omap3_4_testconfig
> +140 +72 0 +212 omap3_testconfig
> +20 +40 0 +60 omap4_testconfig
> -40 +72 0 +32 rmk_omap3430_ldp_oldconfig
> -200 +8 0 -192 rmk_omap4430_sdp_oldconfig
>
>
>
> - Paul
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--
Regards,
Igor.
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