On 12/17/2014 08:01 PM, Viresh Kumar wrote: > On 17 December 2014 at 22:46, Kevin Hilman <khilman@xxxxxxxxxx> wrote: >> So this looks like a bug that has been hiding, but just exposed >> because cpufreq-cpu0 (now cpufreq-dt) was not getting built-in since >> before v3.18. >> >> On omap4-panda-es, v3.18 with multi_v7_defconfig + CPUFREQ_DT enabled, >> I see this: >> >> [ 2.062103] cpufreq: __cpufreq_add_dev: CPU0: Running at unlisted >> freq: 699977 KHz >> [ 2.070404] cpufreq: __cpufreq_add_dev: CPU0: Unlisted initial >> frequency changed to: 700000 KHz >> >> No BUG. But, in next-20141216, >> >> [ 2.083953] cpufreq: __cpufreq_add_dev: CPU0: Running at unlisted >> freq: 699977 KHz >> [ 2.091949] cpu cpu0: failed to set clock rate: -22 >> [ 2.097045] cpufreq: __target_index: Failed to change cpu frequency: -22 >> >> And then the BUG. >> >> So the BUG() itself isn't the problem with this regression. There's >> been a fair amount of changes in the OMAP clk driver (including some >> other regressions), so I suspect the culprit to be lying somewhere in >> the recent OMAP clock changes. > > Yeah. I agree.. > https://git.linaro.org/people/mike.turquette/linux.git/commit/6f8e853d18a98ee95832ffebfaa288d42ae28cd5 Finally makes it work. build warnings actually did give an indication of the issue at hand.. > next-20141216 > arch/arm/mach-omap2/cclock3xxx_data.c:262:2: warning: initialization from incompatible pointer type [enabled by default] > arch/arm/mach-omap2/cclock3xxx_data.c:262:2: warning: (near initialization for ‘dpll1_ck_ops.determine_rate’) [enabled by default] > arch/arm/mach-omap2/cclock3xxx_data.c:375:2: warning: initialization from incompatible pointer type [enabled by default] > arch/arm/mach-omap2/cclock3xxx_data.c:375:2: warning: (near initialization for ‘dpll4_ck_ops.determine_rate’) [enabled by default] > drivers/clk/ti/dpll.c:38:2: warning: initialization from incompatible pointer type [enabled by default] > drivers/clk/ti/dpll.c:38:2: warning: (near initialization for ‘dpll_m4xen_ck_ops.determine_rate’) [enabled by default] > drivers/clk/ti/dpll.c:61:2: warning: initialization from incompatible pointer type [enabled by default] > drivers/clk/ti/dpll.c:61:2: warning: (near initialization for ‘dpll_ck_ops.determine_rate’) [enabled by default] > drivers/clk/ti/dpll.c:72:2: warning: initialization from incompatible pointer type [enabled by default] > drivers/clk/ti/dpll.c:72:2: warning: (near initialization for ‘dpll_no_gate_ck_ops.determine_rate’) [enabled by default] > drivers/clk/ti/dpll.c:111:2: warning: initialization from incompatible pointer type [enabled by default] > drivers/clk/ti/dpll.c:111:2: warning: (near initialization for ‘omap3_dpll_ck_ops.determine_rate’) [enabled by default] > drivers/clk/ti/dpll.c:123:2: warning: initialization from incompatible pointer type [enabled by default] > drivers/clk/ti/dpll.c:123:2: warning: (near initialization for ‘omap3_dpll_per_ck_ops.determine_rate’) [enabled by default] As of next-20141218 things seem to have settled down a bit. next-20141218 + https://patchwork.kernel.org/patch/5484401/ Various platforms I have access to looks like the following: it is a pretty simple script, and I am still getting my remote farm to work properly when scripts are downloaded over serial port.. but anyways.. > next-20141218 > 1: am335x-evm: BOOT: PASS: err=10 warn=25, CPUFreq: PASS, CPUIdle: N/A: http://slexy.org/raw/s2BvPhDIrP > 2: am335x-sk: BOOT: PASS: err=9 warn=26, CPUFreq: PASS, CPUIdle: N/A: http://slexy.org/raw/s21kzAb5L3 > 3: am3517-evm: BOOT: FAIL: http://slexy.org/raw/s202ZptHTS (script download failed + a warning has popped up for OPP) > 4: am37x-evm: BOOT: FAIL: http://slexy.org/raw/s20pvU2Nl2 (script download fail) > 5: am437x-sk: BOOT: PASS: crit=2 err=13 warn=57, CPUFreq: N/A, CPUIdle: N/A: http://slexy.org/raw/s2hKPxe9YG > 6: am43xx-epos: BOOT: PASS: crit=2 err=16 warn=58, CPUFreq: N/A, CPUIdle: N/A: http://slexy.org/raw/s2R6OoHCBj > 7: am43xx-gpevm: BOOT: PASS: crit=2 err=13 warn=57, CPUFreq: N/A, CPUIdle: N/A: http://slexy.org/raw/s20fG9U1ZL > 8: BeagleBoard-X15(am57xx-evm): BOOT: PASS: err=20 warn=24, CPUFreq: PASS, CPUIdle: N/A: http://slexy.org/raw/s2qzlorZWB > 9: BeagleBoard-XM: BOOT: PASS: err=9 warn=19, CPUFreq: PASS, CPUIdle: FAIL: http://slexy.org/raw/s2OzLVwqPy > 10: beagleboard-vanilla: BOOT: PASS: err=9 warn=25, CPUFreq: PASS, CPUIdle: FAIL: http://slexy.org/raw/s21EMHNZVl > 11: beaglebone-black: BOOT: PASS: err=8 warn=25, CPUFreq: PASS, CPUIdle: N/A: http://slexy.org/raw/s2quawv4Qe > 12: beaglebone: BOOT: PASS: err=9 warn=20, CPUFreq: PASS, CPUIdle: N/A: http://slexy.org/raw/s2iCPBeBSA > 13: craneboard: BOOT: PASS: err=21 warn=93, CPUFreq: N/A, CPUIdle: N/A: http://slexy.org/raw/s21Mshl31r > 14: dra72x-evm: BOOT: PASS: crit=2 err=14 warn=27, CPUFreq: N/A, CPUIdle: N/A: http://slexy.org/raw/s2JiZnJlRL > 15: dra7xx-evm: BOOT: PASS: err=11 warn=31, CPUFreq: PASS, CPUIdle: N/A: http://slexy.org/raw/s20g14WWfL > 16: OMAP3430-Labrador(LDP): BOOT: PASS: err=7 warn=25, CPUFreq: PASS, CPUIdle: FAIL: http://slexy.org/raw/s2PZR2j1Kw > 17: n900: BOOT: FAIL: http://slexy.org/raw/s2lHkDllfG (I have been seeing this for a while - not reproducible on Tony's setup.. not a regression) > 18: omap5-evm: BOOT: PASS: err=15 warn=24, CPUFreq: PASS, CPUIdle: N/A: http://slexy.org/raw/s21GJKUu8d > 19: pandaboard-es: BOOT: PASS: err=20 warn=33, CPUFreq: PASS, CPUIdle: PASS: http://slexy.org/raw/s21X5eWQnW > 20: pandaboard-vanilla: BOOT: PASS: err=20 warn=31, CPUFreq: PASS, CPUIdle: PASS: http://slexy.org/raw/s21HadWaKr > 21: sdp2430: BOOT: FAIL: http://slexy.org/raw/s284xHOf52 (script download fail) > 22: sdp3430: BOOT: PASS: err=22 warn=28, CPUFreq: PASS, CPUIdle: FAIL: http://slexy.org/raw/s2GJpDG16e > 23: sdp4430: BOOT: PASS: err=21 warn=33, CPUFreq: PASS, CPUIdle: PASS: http://slexy.org/raw/s21ChfWSXs > TOTAL = 23 boards, Booted Boards = 19, No Boot boards = 4 script download fail does imply my farm has still issues to resolve.. but anyways.. more or less we are back operational again since it was broken by next-20141216 -- Regards, Nishanth Menon -- 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
