* Re: Adding iTCO_wdt fixes into 4.9-stable? [not found] ` <20181119103125.GM4179@lahna.fi.intel.com> @ 2018-11-19 16:32 ` Krzysztof Olędzki 2018-11-23 19:26 ` Sasha Levin 0 siblings, 1 reply; 6+ messages in thread From: Krzysztof Olędzki @ 2018-11-19 16:32 UTC (permalink / raw) To: Mika Westerberg; +Cc: gregkh, rafael.j.wysocki, stable +cc stable@vger.kernel.org W dniu 2018-11-19 o 02:31, Mika Westerberg pisze: > On Sun, Nov 18, 2018 at 07:13:18PM -0800, Krzysztof Olędzki wrote: >> Hello Mika, Rafael, Greg, > > Hi, > >> Would it be possible to include the following two patches in 4.9-stable: >> - "ACPI / watchdog: Prefer iTCO_wdt on Lenovo Z50-70" >> - "ACPI / watchdog: Prefer iTCO_wdt always when WDAT table uses RTC SRAM" >> >> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=a0a37862a4e1844793d39aca9ccb8fecbdcb8659 >> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=5a802a7a285c8877ca872e44eeb0f06afcb5212f >> >> Context: I just upgrade one of my servers from 4.4.161 to 4.9.137 and >> run into a problem of not working RTC and watchdog. Adding these two >> patches fixed the issue. No changes were necessary for them to be applied. > > I think the best way to get these included in stable trees is to send > the commit ids with the above explanation to stable@vger.kernel.org. Thank you Mika! I forgot how the process works. :/ The commits are: a0a37862a4e1844793d39aca9ccb8fecbdcb8659 5a802a7a285c8877ca872e44eeb0f06afcb5212f It also looks like the first patch is already in 4.14-stable, just not in 4.9. - a0a37862a4e1844793d39aca9ccb8fecbdcb8659 was included in 4.14.51: https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.51 However, it does not look like the 2nd one has been included in 4.14 yet. Would it be then possible to add 5a802a7a285c8877ca872e44eeb0f06afcb5212f to both 4.9-stable and 4.14-stable? The impacted system is: Dell Inc. PowerEdge T110 II/0PM2CW, BIOS 2.10.0 05/24/2018 Krzysztof ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Adding iTCO_wdt fixes into 4.9-stable? 2018-11-19 16:32 ` Adding iTCO_wdt fixes into 4.9-stable? Krzysztof Olędzki @ 2018-11-23 19:26 ` Sasha Levin 2018-11-25 6:01 ` Krzysztof Olędzki 0 siblings, 1 reply; 6+ messages in thread From: Sasha Levin @ 2018-11-23 19:26 UTC (permalink / raw) To: Krzysztof Olędzki; +Cc: Mika Westerberg, gregkh, rafael.j.wysocki, stable On Mon, Nov 19, 2018 at 08:32:03AM -0800, Krzysztof Olędzki wrote: >+cc stable@vger.kernel.org > >W dniu 2018-11-19 o 02:31, Mika Westerberg pisze: >>On Sun, Nov 18, 2018 at 07:13:18PM -0800, Krzysztof Olędzki wrote: >>>Hello Mika, Rafael, Greg, >> >>Hi, >> >>>Would it be possible to include the following two patches in 4.9-stable: >>> - "ACPI / watchdog: Prefer iTCO_wdt on Lenovo Z50-70" >>> - "ACPI / watchdog: Prefer iTCO_wdt always when WDAT table uses RTC SRAM" >>> >>>https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=a0a37862a4e1844793d39aca9ccb8fecbdcb8659 >>>https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=5a802a7a285c8877ca872e44eeb0f06afcb5212f >>> >>>Context: I just upgrade one of my servers from 4.4.161 to 4.9.137 and >>>run into a problem of not working RTC and watchdog. Adding these two >>>patches fixed the issue. No changes were necessary for them to be applied. >> >>I think the best way to get these included in stable trees is to send >>the commit ids with the above explanation to stable@vger.kernel.org. > >Thank you Mika! I forgot how the process works. :/ > >The commits are: > a0a37862a4e1844793d39aca9ccb8fecbdcb8659 > 5a802a7a285c8877ca872e44eeb0f06afcb5212f > >It also looks like the first patch is already in 4.14-stable, just not >in 4.9. > - a0a37862a4e1844793d39aca9ccb8fecbdcb8659 was included in 4.14.51: >https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.51 > >However, it does not look like the 2nd one has been included in 4.14 >yet. Would it be then possible to add >5a802a7a285c8877ca872e44eeb0f06afcb5212f to both 4.9-stable and >4.14-stable? > >The impacted system is: > Dell Inc. PowerEdge T110 II/0PM2CW, BIOS 2.10.0 05/24/2018 > >Krzysztof Okay, I've queued the second commit to 4.14, and both to 4.9. What about older stable kernels? -- Thanks, Sasha ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Adding iTCO_wdt fixes into 4.9-stable? 2018-11-23 19:26 ` Sasha Levin @ 2018-11-25 6:01 ` Krzysztof Olędzki 2018-11-26 9:24 ` Mika Westerberg 0 siblings, 1 reply; 6+ messages in thread From: Krzysztof Olędzki @ 2018-11-25 6:01 UTC (permalink / raw) To: Sasha Levin; +Cc: Mika Westerberg, gregkh, rafael.j.wysocki, stable Hi, W dniu 2018-11-23 o 11:26, Sasha Levin pisze: > On Mon, Nov 19, 2018 at 08:32:03AM -0800, Krzysztof Olędzki wrote: >> +cc stable@vger.kernel.org >> >> W dniu 2018-11-19 o 02:31, Mika Westerberg pisze: >>> On Sun, Nov 18, 2018 at 07:13:18PM -0800, Krzysztof Olędzki wrote: >>>> Hello Mika, Rafael, Greg, >>> >>> Hi, >>> >>>> Would it be possible to include the following two patches in >>>> 4.9-stable: >>>> - "ACPI / watchdog: Prefer iTCO_wdt on Lenovo Z50-70" >>>> - "ACPI / watchdog: Prefer iTCO_wdt always when WDAT table uses RTC >>>> SRAM" >>>> >>>> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=a0a37862a4e1844793d39aca9ccb8fecbdcb8659 >>>> >>>> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=5a802a7a285c8877ca872e44eeb0f06afcb5212f >>>> >>>> >>>> Context: I just upgrade one of my servers from 4.4.161 to 4.9.137 and >>>> run into a problem of not working RTC and watchdog. Adding these two >>>> patches fixed the issue. No changes were necessary for them to be >>>> applied. >>> >>> I think the best way to get these included in stable trees is to send >>> the commit ids with the above explanation to stable@vger.kernel.org. >> >> Thank you Mika! I forgot how the process works. :/ >> >> The commits are: >> a0a37862a4e1844793d39aca9ccb8fecbdcb8659 >> 5a802a7a285c8877ca872e44eeb0f06afcb5212f >> >> It also looks like the first patch is already in 4.14-stable, just not >> in 4.9. >> - a0a37862a4e1844793d39aca9ccb8fecbdcb8659 was included in 4.14.51: >> https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.51 >> >> However, it does not look like the 2nd one has been included in 4.14 >> yet. Would it be then possible to add >> 5a802a7a285c8877ca872e44eeb0f06afcb5212f to both 4.9-stable and >> 4.14-stable? >> >> The impacted system is: >> Dell Inc. PowerEdge T110 II/0PM2CW, BIOS 2.10.0 05/24/2018 >> >> Krzysztof > > Okay, I've queued the second commit to 4.14, and both to 4.9. > > What about older stable kernels? Perfect, thank you so much! I think older kernels should be fine, like I said - everything worked under 4.4-stable. I suspect this is because of some ACPI / WDAT improvements in 4.9, or between 4.5 - 4.8 for which we no longer support -stable. Mika, do you know which change exactly introduce this side effect? Thanks, Krzysztof ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Adding iTCO_wdt fixes into 4.9-stable? 2018-11-25 6:01 ` Krzysztof Olędzki @ 2018-11-26 9:24 ` Mika Westerberg 2018-11-26 10:00 ` Sasha Levin 0 siblings, 1 reply; 6+ messages in thread From: Mika Westerberg @ 2018-11-26 9:24 UTC (permalink / raw) To: Krzysztof Olędzki; +Cc: Sasha Levin, gregkh, rafael.j.wysocki, stable On Sat, Nov 24, 2018 at 10:01:48PM -0800, Krzysztof Olędzki wrote: > I think older kernels should be fine, like I said - everything worked under > 4.4-stable. I suspect this is because of some ACPI / WDAT improvements in > 4.9, or between 4.5 - 4.8 for which we no longer support -stable. Mika, do > you know which change exactly introduce this side effect? IIRC it was the introduction of WDAT driver itself in commit 058dfc767008 ("ACPI / watchdog: Add support for WDAT hardware watchdog"). The driver went into v4.9 so I don't think older stable kernels need this. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Adding iTCO_wdt fixes into 4.9-stable? 2018-11-26 9:24 ` Mika Westerberg @ 2018-11-26 10:00 ` Sasha Levin 2018-11-27 7:56 ` Krzysztof Olędzki 0 siblings, 1 reply; 6+ messages in thread From: Sasha Levin @ 2018-11-26 10:00 UTC (permalink / raw) To: Mika Westerberg; +Cc: Krzysztof Olędzki, gregkh, rafael.j.wysocki, stable On Mon, Nov 26, 2018 at 11:24:18AM +0200, Mika Westerberg wrote: >On Sat, Nov 24, 2018 at 10:01:48PM -0800, Krzysztof Olędzki wrote: >> I think older kernels should be fine, like I said - everything worked under >> 4.4-stable. I suspect this is because of some ACPI / WDAT improvements in >> 4.9, or between 4.5 - 4.8 for which we no longer support -stable. Mika, do >> you know which change exactly introduce this side effect? > >IIRC it was the introduction of WDAT driver itself in commit >058dfc767008 ("ACPI / watchdog: Add support for WDAT hardware >watchdog"). The driver went into v4.9 so I don't think older stable >kernels need this. Great, thanks all! -- Thanks, Sasha ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Adding iTCO_wdt fixes into 4.9-stable? 2018-11-26 10:00 ` Sasha Levin @ 2018-11-27 7:56 ` Krzysztof Olędzki 0 siblings, 0 replies; 6+ messages in thread From: Krzysztof Olędzki @ 2018-11-27 7:56 UTC (permalink / raw) To: Sasha Levin, Mika Westerberg; +Cc: gregkh, rafael.j.wysocki, stable W dniu 2018-11-26 o 02:00, Sasha Levin pisze: > On Mon, Nov 26, 2018 at 11:24:18AM +0200, Mika Westerberg wrote: >> On Sat, Nov 24, 2018 at 10:01:48PM -0800, Krzysztof Olędzki wrote: >>> I think older kernels should be fine, like I said - everything worked >>> under >>> 4.4-stable. I suspect this is because of some ACPI / WDAT >>> improvements in >>> 4.9, or between 4.5 - 4.8 for which we no longer support -stable. >>> Mika, do >>> you know which change exactly introduce this side effect? >> >> IIRC it was the introduction of WDAT driver itself in commit >> 058dfc767008 ("ACPI / watchdog: Add support for WDAT hardware >> watchdog"). The driver went into v4.9 so I don't think older stable >> kernels need this. > > Great, thanks all! Hi. I tested 4.9.141-rc1 and everything seems to work correctly. Thank you for adding the patches! Krzysztof ^ permalink raw reply [flat|nested] 6+ messages in thread
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[not found] ` <20181119103125.GM4179@lahna.fi.intel.com>
2018-11-19 16:32 ` Adding iTCO_wdt fixes into 4.9-stable? Krzysztof Olędzki
2018-11-23 19:26 ` Sasha Levin
2018-11-25 6:01 ` Krzysztof Olędzki
2018-11-26 9:24 ` Mika Westerberg
2018-11-26 10:00 ` Sasha Levin
2018-11-27 7:56 ` Krzysztof Olędzki
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