* possible BUG: selftest about raw_skew failed @ 2018-04-21 14:47 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: jeffrin @ 2018-04-21 14:47 UTC (permalink / raw) hello, failure of a test in selftest:timers selftests: raw_skew ======================================== WARNING: ADJ_OFFSET in progress, this will cause inaccurate results Estimating clock drift: 17.910(est) 16.820(act) [FAILED] Bail out! Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 1..0 not ok 1..7 selftests: raw_skew [FAIL] To reproduce : make -C tools/testing/selftests/timers/ run_tests Linux debian 4.17.0-rc1+ #3 SMP Sat Apr 21 03:41:44 IST 2018 x86_64 GNU/Linux GNU Make 4.2.1 Binutils 2.30 Util-linux 2.31.1 Mount 2.31.1 Linux C Library 2.27 Dynamic linker (ldd) 2.27 readlink: missing operand Try 'readlink --help' for more information. Procps 3.3.14 Kbd 2.0.4 Console-tools 2.0.4 Sh-utils 8.28 Udev 238 -- software engineer rajagiri school of engineering and technology -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-21 14:47 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: Jeffrin Thalakkottoor @ 2018-04-21 14:47 UTC (permalink / raw) To: shuah, keescook, anton, ccross, tony.luck, john.stultz, tglx, sboyd Cc: linux-kselftest, linux-kernel hello, failure of a test in selftest:timers selftests: raw_skew ======================================== WARNING: ADJ_OFFSET in progress, this will cause inaccurate results Estimating clock drift: 17.910(est) 16.820(act) [FAILED] Bail out! Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 1..0 not ok 1..7 selftests: raw_skew [FAIL] To reproduce : make -C tools/testing/selftests/timers/ run_tests Linux debian 4.17.0-rc1+ #3 SMP Sat Apr 21 03:41:44 IST 2018 x86_64 GNU/Linux GNU Make 4.2.1 Binutils 2.30 Util-linux 2.31.1 Mount 2.31.1 Linux C Library 2.27 Dynamic linker (ldd) 2.27 readlink: missing operand Try 'readlink --help' for more information. Procps 3.3.14 Kbd 2.0.4 Console-tools 2.0.4 Sh-utils 8.28 Udev 238 -- software engineer rajagiri school of engineering and technology ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-21 14:47 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: Jeffrin Thalakkottoor @ 2018-04-21 14:47 UTC (permalink / raw) hello, failure of a test in selftest:timers selftests: raw_skew ======================================== WARNING: ADJ_OFFSET in progress, this will cause inaccurate results Estimating clock drift: 17.910(est) 16.820(act) [FAILED] Bail out! Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 1..0 not ok 1..7 selftests: raw_skew [FAIL] To reproduce : make -C tools/testing/selftests/timers/ run_tests Linux debian 4.17.0-rc1+ #3 SMP Sat Apr 21 03:41:44 IST 2018 x86_64 GNU/Linux GNU Make 4.2.1 Binutils 2.30 Util-linux 2.31.1 Mount 2.31.1 Linux C Library 2.27 Dynamic linker (ldd) 2.27 readlink: missing operand Try 'readlink --help' for more information. Procps 3.3.14 Kbd 2.0.4 Console-tools 2.0.4 Sh-utils 8.28 Udev 238 -- software engineer rajagiri school of engineering and technology -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-26 21:28 ` Thomas Gleixner 0 siblings, 0 replies; 18+ messages in thread From: tglx @ 2018-04-26 21:28 UTC (permalink / raw) On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: Cc'ing John and Miroslav > hello, > > failure of a test in selftest:timers > > selftests: raw_skew > ======================================== > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > Bail out! > Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 > 1..0 > not ok 1..7 selftests: raw_skew [FAIL] > > > To reproduce : > > make -C tools/testing/selftests/timers/ run_tests > > > > > Linux debian 4.17.0-rc1+ #3 SMP Sat Apr 21 03:41:44 IST 2018 x86_64 GNU/Linux > > GNU Make 4.2.1 > Binutils 2.30 > Util-linux 2.31.1 > Mount 2.31.1 > Linux C Library 2.27 > Dynamic linker (ldd) 2.27 > readlink: missing operand > Try 'readlink --help' for more information. > Procps 3.3.14 > Kbd 2.0.4 > Console-tools 2.0.4 > Sh-utils 8.28 > Udev 238 > > -- > software engineer > rajagiri school of engineering and technology > -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* Re: possible BUG: selftest about raw_skew failed @ 2018-04-26 21:28 ` Thomas Gleixner 0 siblings, 0 replies; 18+ messages in thread From: Thomas Gleixner @ 2018-04-26 21:28 UTC (permalink / raw) To: Jeffrin Thalakkottoor Cc: shuah, Kees Cook, anton, ccross, Tony Luck, John Stultz, sboyd, linux-kselftest, LKML, John Stultz, Miroslav Lichvar On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: Cc'ing John and Miroslav > hello, > > failure of a test in selftest:timers > > selftests: raw_skew > ======================================== > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > Bail out! > Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 > 1..0 > not ok 1..7 selftests: raw_skew [FAIL] > > > To reproduce : > > make -C tools/testing/selftests/timers/ run_tests > > > > > Linux debian 4.17.0-rc1+ #3 SMP Sat Apr 21 03:41:44 IST 2018 x86_64 GNU/Linux > > GNU Make 4.2.1 > Binutils 2.30 > Util-linux 2.31.1 > Mount 2.31.1 > Linux C Library 2.27 > Dynamic linker (ldd) 2.27 > readlink: missing operand > Try 'readlink --help' for more information. > Procps 3.3.14 > Kbd 2.0.4 > Console-tools 2.0.4 > Sh-utils 8.28 > Udev 238 > > -- > software engineer > rajagiri school of engineering and technology > ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-26 21:28 ` Thomas Gleixner 0 siblings, 0 replies; 18+ messages in thread From: Thomas Gleixner @ 2018-04-26 21:28 UTC (permalink / raw) On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: Cc'ing John and Miroslav > hello, > > failure of a test in selftest:timers > > selftests: raw_skew > ======================================== > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > Bail out! > Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 > 1..0 > not ok 1..7 selftests: raw_skew [FAIL] > > > To reproduce : > > make -C tools/testing/selftests/timers/ run_tests > > > > > Linux debian 4.17.0-rc1+ #3 SMP Sat Apr 21 03:41:44 IST 2018 x86_64 GNU/Linux > > GNU Make 4.2.1 > Binutils 2.30 > Util-linux 2.31.1 > Mount 2.31.1 > Linux C Library 2.27 > Dynamic linker (ldd) 2.27 > readlink: missing operand > Try 'readlink --help' for more information. > Procps 3.3.14 > Kbd 2.0.4 > Console-tools 2.0.4 > Sh-utils 8.28 > Udev 238 > > -- > software engineer > rajagiri school of engineering and technology > -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-27 7:41 ` Miroslav Lichvar 0 siblings, 0 replies; 18+ messages in thread From: mlichvar @ 2018-04-27 7:41 UTC (permalink / raw) On Thu, Apr 26, 2018 at 11:28:29PM +0200, Thomas Gleixner wrote: > On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: > > selftests: raw_skew > > ======================================== > > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] Was ntpd, systemd-timesyncd, or some other NTP/PTP daemon running shortly before or during the test? The warning indicates that the clock was slewed by adjtime() or adjtimex(), which makes the measurement of the frequency less accurate and the test may fail. Maybe this test and other tests that measure the frequency of the system clock should be modified to SKIP when adjtimex() returns a non-zero offset (or the frequency changes during the test)? -- Miroslav Lichvar -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* Re: possible BUG: selftest about raw_skew failed @ 2018-04-27 7:41 ` Miroslav Lichvar 0 siblings, 0 replies; 18+ messages in thread From: Miroslav Lichvar @ 2018-04-27 7:41 UTC (permalink / raw) To: Jeffrin Thalakkottoor Cc: Thomas Gleixner, shuah, Kees Cook, anton, ccross, Tony Luck, John Stultz, sboyd, linux-kselftest, LKML On Thu, Apr 26, 2018 at 11:28:29PM +0200, Thomas Gleixner wrote: > On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: > > selftests: raw_skew > > ======================================== > > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] Was ntpd, systemd-timesyncd, or some other NTP/PTP daemon running shortly before or during the test? The warning indicates that the clock was slewed by adjtime() or adjtimex(), which makes the measurement of the frequency less accurate and the test may fail. Maybe this test and other tests that measure the frequency of the system clock should be modified to SKIP when adjtimex() returns a non-zero offset (or the frequency changes during the test)? -- Miroslav Lichvar ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-27 7:41 ` Miroslav Lichvar 0 siblings, 0 replies; 18+ messages in thread From: Miroslav Lichvar @ 2018-04-27 7:41 UTC (permalink / raw) On Thu, Apr 26, 2018@11:28:29PM +0200, Thomas Gleixner wrote: > On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: > > selftests: raw_skew > > ======================================== > > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] Was ntpd, systemd-timesyncd, or some other NTP/PTP daemon running shortly before or during the test? The warning indicates that the clock was slewed by adjtime() or adjtimex(), which makes the measurement of the frequency less accurate and the test may fail. Maybe this test and other tests that measure the frequency of the system clock should be modified to SKIP when adjtimex() returns a non-zero offset (or the frequency changes during the test)? -- Miroslav Lichvar -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-27 15:28 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: jeffrin @ 2018-04-27 15:28 UTC (permalink / raw) [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #1: Type: text/plain, Size: 2122 bytes --] i think may be systemd-timesyncd was running. anyway currently the status is as follows... $systemctl status systemd-timesyncd.service ● systemd-timesyncd.service - Network Time Synchronization Loaded: loaded (/lib/systemd/system/systemd-timesyncd.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2018-04-27 19:26:16 IST; 1h 11min ago Docs: man:systemd-timesyncd.service(8) Main PID: 514 (systemd-timesyn) Status: "Synchronized to time server 123.108.200.124:123 (0.debian.pool.ntp.org)." Tasks: 2 (limit: 4382) Memory: 1.8M CGroup: /system.slice/systemd-timesyncd.service └─514 /lib/systemd/systemd-timesyncd $ The test in the latest run show "PASS" see below... selftests: raw_skew ======================================== Estimating clock drift: 26.836(est) 26.838(act) [OK] Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 1..0 ok 1..7 selftests: raw_skew [PASS] On Fri, Apr 27, 2018 at 1:11 PM, Miroslav Lichvar <mlichvar at redhat.com> wrote: > On Thu, Apr 26, 2018 at 11:28:29PM +0200, Thomas Gleixner wrote: >> On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: >> > selftests: raw_skew >> > ======================================== >> > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results >> > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > > Was ntpd, systemd-timesyncd, or some other NTP/PTP daemon running > shortly before or during the test? > > The warning indicates that the clock was slewed by adjtime() or > adjtimex(), which makes the measurement of the frequency less accurate > and the test may fail. > > Maybe this test and other tests that measure the frequency of the > system clock should be modified to SKIP when adjtimex() returns a > non-zero offset (or the frequency changes during the test)? > > -- > Miroslav Lichvar -- software engineer rajagiri school of engineering and technology -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* Re: possible BUG: selftest about raw_skew failed @ 2018-04-27 15:28 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: Jeffrin Thalakkottoor @ 2018-04-27 15:28 UTC (permalink / raw) To: Miroslav Lichvar Cc: Thomas Gleixner, Shuah Khan, Kees Cook, anton, ccross, Tony Luck, John Stultz, sboyd, linux-kselftest, LKML i think may be systemd-timesyncd was running. anyway currently the status is as follows... $systemctl status systemd-timesyncd.service ● systemd-timesyncd.service - Network Time Synchronization Loaded: loaded (/lib/systemd/system/systemd-timesyncd.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2018-04-27 19:26:16 IST; 1h 11min ago Docs: man:systemd-timesyncd.service(8) Main PID: 514 (systemd-timesyn) Status: "Synchronized to time server 123.108.200.124:123 (0.debian.pool.ntp.org)." Tasks: 2 (limit: 4382) Memory: 1.8M CGroup: /system.slice/systemd-timesyncd.service └─514 /lib/systemd/systemd-timesyncd $ The test in the latest run show "PASS" see below... selftests: raw_skew ======================================== Estimating clock drift: 26.836(est) 26.838(act) [OK] Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 1..0 ok 1..7 selftests: raw_skew [PASS] On Fri, Apr 27, 2018 at 1:11 PM, Miroslav Lichvar <mlichvar@redhat.com> wrote: > On Thu, Apr 26, 2018 at 11:28:29PM +0200, Thomas Gleixner wrote: >> On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: >> > selftests: raw_skew >> > ======================================== >> > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results >> > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > > Was ntpd, systemd-timesyncd, or some other NTP/PTP daemon running > shortly before or during the test? > > The warning indicates that the clock was slewed by adjtime() or > adjtimex(), which makes the measurement of the frequency less accurate > and the test may fail. > > Maybe this test and other tests that measure the frequency of the > system clock should be modified to SKIP when adjtimex() returns a > non-zero offset (or the frequency changes during the test)? > > -- > Miroslav Lichvar -- software engineer rajagiri school of engineering and technology ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-27 15:28 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: Jeffrin Thalakkottoor @ 2018-04-27 15:28 UTC (permalink / raw) i think may be systemd-timesyncd was running. anyway currently the status is as follows... $systemctl status systemd-timesyncd.service ● systemd-timesyncd.service - Network Time Synchronization Loaded: loaded (/lib/systemd/system/systemd-timesyncd.service; enabled; vendor preset: enabled) Active: active (running) since Fri 2018-04-27 19:26:16 IST; 1h 11min ago Docs: man:systemd-timesyncd.service(8) Main PID: 514 (systemd-timesyn) Status: "Synchronized to time server 123.108.200.124:123 (0.debian.pool.ntp.org)." Tasks: 2 (limit: 4382) Memory: 1.8M CGroup: /system.slice/systemd-timesyncd.service └─514 /lib/systemd/systemd-timesyncd $ The test in the latest run show "PASS" see below... selftests: raw_skew ======================================== Estimating clock drift: 26.836(est) 26.838(act) [OK] Pass 0 Fail 0 Xfail 0 Xpass 0 Skip 0 Error 0 1..0 ok 1..7 selftests: raw_skew [PASS] On Fri, Apr 27, 2018@1:11 PM, Miroslav Lichvar <mlichvar@redhat.com> wrote: > On Thu, Apr 26, 2018@11:28:29PM +0200, Thomas Gleixner wrote: >> On Sat, 21 Apr 2018, Jeffrin Thalakkottoor wrote: >> > selftests: raw_skew >> > ======================================== >> > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results >> > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > > Was ntpd, systemd-timesyncd, or some other NTP/PTP daemon running > shortly before or during the test? > > The warning indicates that the clock was slewed by adjtime() or > adjtimex(), which makes the measurement of the frequency less accurate > and the test may fail. > > Maybe this test and other tests that measure the frequency of the > system clock should be modified to SKIP when adjtimex() returns a > non-zero offset (or the frequency changes during the test)? > > -- > Miroslav Lichvar -- software engineer rajagiri school of engineering and technology -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-26 21:33 ` John Stultz 0 siblings, 0 replies; 18+ messages in thread From: john.stultz @ 2018-04-26 21:33 UTC (permalink / raw) On Sat, Apr 21, 2018 at 7:47 AM, Jeffrin Thalakkottoor <jeffrin at rajagiritech.edu.in> wrote: > hello, > > failure of a test in selftest:timers > > selftests: raw_skew > ======================================== > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] So you're ignoring the warning above. If an ADJ_OFFSET operation is going on, ntpd (or something similar) is changing the clock, which will kill the estimated drift calculation. -john -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* Re: possible BUG: selftest about raw_skew failed @ 2018-04-26 21:33 ` John Stultz 0 siblings, 0 replies; 18+ messages in thread From: John Stultz @ 2018-04-26 21:33 UTC (permalink / raw) To: Jeffrin Thalakkottoor Cc: Shuah Khan, Kees Cook, Anton Vorontsov, Colin Cross, Tony Luck, Thomas Gleixner, sboyd, linux-kselftest, lkml On Sat, Apr 21, 2018 at 7:47 AM, Jeffrin Thalakkottoor <jeffrin@rajagiritech.edu.in> wrote: > hello, > > failure of a test in selftest:timers > > selftests: raw_skew > ======================================== > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] So you're ignoring the warning above. If an ADJ_OFFSET operation is going on, ntpd (or something similar) is changing the clock, which will kill the estimated drift calculation. -john ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-26 21:33 ` John Stultz 0 siblings, 0 replies; 18+ messages in thread From: John Stultz @ 2018-04-26 21:33 UTC (permalink / raw) On Sat, Apr 21, 2018 at 7:47 AM, Jeffrin Thalakkottoor <jeffrin@rajagiritech.edu.in> wrote: > hello, > > failure of a test in selftest:timers > > selftests: raw_skew > ======================================== > WARNING: ADJ_OFFSET in progress, this will cause inaccurate results > Estimating clock drift: 17.910(est) 16.820(act) [FAILED] So you're ignoring the warning above. If an ADJ_OFFSET operation is going on, ntpd (or something similar) is changing the clock, which will kill the estimated drift calculation. -john -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-27 15:27 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: jeffrin @ 2018-04-27 15:27 UTC (permalink / raw) I kind of ignored. i was not sure what that meant actually. On Fri, Apr 27, 2018 at 3:03 AM, John Stultz <john.stultz at linaro.org> wrote: > On Sat, Apr 21, 2018 at 7:47 AM, Jeffrin Thalakkottoor > <jeffrin at rajagiritech.edu.in> wrote: >> hello, >> >> failure of a test in selftest:timers >> >> selftests: raw_skew >> ======================================== >> WARNING: ADJ_OFFSET in progress, this will cause inaccurate results >> Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > > So you're ignoring the warning above. If an ADJ_OFFSET operation is > going on, ntpd (or something similar) is changing the clock, which > will kill the estimated drift calculation. > > -john -- software engineer rajagiri school of engineering and technology -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
* Re: possible BUG: selftest about raw_skew failed @ 2018-04-27 15:27 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: Jeffrin Thalakkottoor @ 2018-04-27 15:27 UTC (permalink / raw) To: John Stultz Cc: Shuah Khan, Kees Cook, Anton Vorontsov, Colin Cross, Tony Luck, Thomas Gleixner, sboyd, linux-kselftest, lkml I kind of ignored. i was not sure what that meant actually. On Fri, Apr 27, 2018 at 3:03 AM, John Stultz <john.stultz@linaro.org> wrote: > On Sat, Apr 21, 2018 at 7:47 AM, Jeffrin Thalakkottoor > <jeffrin@rajagiritech.edu.in> wrote: >> hello, >> >> failure of a test in selftest:timers >> >> selftests: raw_skew >> ======================================== >> WARNING: ADJ_OFFSET in progress, this will cause inaccurate results >> Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > > So you're ignoring the warning above. If an ADJ_OFFSET operation is > going on, ntpd (or something similar) is changing the clock, which > will kill the estimated drift calculation. > > -john -- software engineer rajagiri school of engineering and technology ^ permalink raw reply [flat|nested] 18+ messages in thread
* possible BUG: selftest about raw_skew failed @ 2018-04-27 15:27 ` Jeffrin Thalakkottoor 0 siblings, 0 replies; 18+ messages in thread From: Jeffrin Thalakkottoor @ 2018-04-27 15:27 UTC (permalink / raw) I kind of ignored. i was not sure what that meant actually. On Fri, Apr 27, 2018@3:03 AM, John Stultz <john.stultz@linaro.org> wrote: > On Sat, Apr 21, 2018 at 7:47 AM, Jeffrin Thalakkottoor > <jeffrin@rajagiritech.edu.in> wrote: >> hello, >> >> failure of a test in selftest:timers >> >> selftests: raw_skew >> ======================================== >> WARNING: ADJ_OFFSET in progress, this will cause inaccurate results >> Estimating clock drift: 17.910(est) 16.820(act) [FAILED] > > So you're ignoring the warning above. If an ADJ_OFFSET operation is > going on, ntpd (or something similar) is changing the clock, which > will kill the estimated drift calculation. > > -john -- software engineer rajagiri school of engineering and technology -- To unsubscribe from this list: send the line "unsubscribe linux-kselftest" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 18+ messages in thread
end of thread, other threads:[~2018-04-27 15:28 UTC | newest] Thread overview: 18+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2018-04-21 14:47 possible BUG: selftest about raw_skew failed jeffrin 2018-04-21 14:47 ` Jeffrin Thalakkottoor 2018-04-21 14:47 ` Jeffrin Thalakkottoor 2018-04-26 21:28 ` tglx 2018-04-26 21:28 ` Thomas Gleixner 2018-04-26 21:28 ` Thomas Gleixner 2018-04-27 7:41 ` mlichvar 2018-04-27 7:41 ` Miroslav Lichvar 2018-04-27 7:41 ` Miroslav Lichvar 2018-04-27 15:28 ` jeffrin 2018-04-27 15:28 ` Jeffrin Thalakkottoor 2018-04-27 15:28 ` Jeffrin Thalakkottoor 2018-04-26 21:33 ` john.stultz 2018-04-26 21:33 ` John Stultz 2018-04-26 21:33 ` John Stultz 2018-04-27 15:27 ` jeffrin 2018-04-27 15:27 ` Jeffrin Thalakkottoor 2018-04-27 15:27 ` Jeffrin Thalakkottoor
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