From: Willy Wolff <willy.mh.wolff.ml@gmail.com> To: Rob Herring <robh+dt@kernel.org>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski <krzk@kernel.org>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, m.szyprowski@samsung.com Subject: [RFC PATCH] ARM: dts: exynos: partial revert of Adjust bus related OPPs to the values correct for Exynos5422 Odroids Date: Fri, 3 Jul 2020 15:20:54 +0200 [thread overview] Message-ID: <20200703132054.re3kcgxrb7rciidy@macmini.local> (raw) Hi all, On Odroid XU3/4 board, since 5.6 with 1019fe2c728003f89ee11482cf8ec81dbd8f15ba, the network is not working properly. After properly booting, when trying to connect to the board via ssh, the board hang for a while and this message happen: [ 211.111967] ------------[ cut here ]------------ [ 211.117520] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:443 dev_watchdog+0x3ac/0x3e0 [ 211.125636] NETDEV WATCHDOG: eth0 (smsc95xx): transmit queue 0 timed out [ 211.132058] Modules linked in: [ 211.134815] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc3-00082-gcdd3bb54332f-dirty #1 [ 211.143518] Hardware name: Samsung Exynos (Flattened Device Tree) [ 211.149458] [<c0112290>] (unwind_backtrace) from [<c010d1ac>] (show_stack+0x10/0x14) [ 211.157287] [<c010d1ac>] (show_stack) from [<c051b93c>] (dump_stack+0xac/0xd8) [ 211.164416] [<c051b93c>] (dump_stack) from [<c0127a50>] (__warn+0xd0/0x108) [ 211.171301] [<c0127a50>] (__warn) from [<c0127e60>] (warn_slowpath_fmt+0x94/0xb8) [ 211.178824] [<c0127e60>] (warn_slowpath_fmt) from [<c0929b38>] (dev_watchdog+0x3ac/0x3e0) [ 211.187043] [<c0929b38>] (dev_watchdog) from [<c01c791c>] (call_timer_fn+0xd4/0x420) [ 211.194698] [<c01c791c>] (call_timer_fn) from [<c01c86ec>] (run_timer_softirq+0x620/0x784) [ 211.202980] [<c01c86ec>] (run_timer_softirq) from [<c0101408>] (__do_softirq+0x1e0/0x664) [ 211.211123] [<c0101408>] (__do_softirq) from [<c0130924>] (irq_exit+0x158/0x16c) [ 211.218467] [<c0130924>] (irq_exit) from [<c01a1ef0>] (__handle_domain_irq+0x80/0xec) [ 211.226304] [<c01a1ef0>] (__handle_domain_irq) from [<c0536eac>] (gic_handle_irq+0x58/0x9c) [ 211.234626] [<c0536eac>] (gic_handle_irq) from [<c0100af0>] (__irq_svc+0x70/0xb0) [ 211.241982] Exception stack(0xc1101f10 to 0xc1101f58) [ 211.246789] 1f00: ffffffff ffffffff 00000001 0008f0bd [ 211.255230] 1f20: ffffe000 c1108eec c1108f30 00000001 00000000 c0df311c 00000000 c1076028 [ 211.262303] exynos5-hsi2c 12ca0000.i2c: tx timeout [ 211.263351] 1f40: 00000000 c1101f60 c01097f8 c01097fc 600f0113 ffffffff [ 211.263649] [<c0100af0>] (__irq_svc) from [<c01097fc>] (arch_cpu_idle+0x24/0x44) [ 211.263771] [<c01097fc>] (arch_cpu_idle) from [<c01640c8>] (do_idle+0x214/0x2c0) [ 211.289414] [<c01640c8>] (do_idle) from [<c0164528>] (cpu_startup_entry+0x18/0x1c) [ 211.296999] [<c0164528>] (cpu_startup_entry) from [<c1000e54>] (start_kernel+0x4e8/0x520) [ 211.305822] irq event stamp: 585972 [ 211.308637] hardirqs last enabled at (585984): [<c0100b0c>] __irq_svc+0x8c/0xb0 [ 211.316470] hardirqs last disabled at (585993): [<c019ed9c>] console_unlock+0xd4/0x654 [ 211.324282] softirqs last enabled at (585920): [<c0130640>] irq_enter_rcu+0x7c/0x84 [ 211.332072] softirqs last disabled at (585921): [<c0130924>] irq_exit+0x158/0x16c [ 211.339329] ---[ end trace 5726ca773f159ae9 ]--- After that, the board continue working from serial console only, but the board doesn't pong anymore. Reverting some change fix the issue. Best Regards, Willy Signed-off-by: Willy Wolff <willy.mh.wolff.mh@gmail.com> --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index ab27ff8bc3dc..6f7807e82035 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -81,6 +81,7 @@ bus_fsys_apb_opp_table: opp_table4 { compatible = "operating-points-v2"; + opp-shared; /* derived from 666MHz CPLL */ opp00 { @@ -412,7 +413,8 @@ }; &bus_fsys { - operating-points-v2 = <&bus_fsys2_opp_table>; + // operating-points-v2 = <&bus_fsys2_opp_table>; + operating-points-v2 = <&bus_fsys_apb_opp_table>; devfreq = <&bus_wcore>; status = "okay"; }; -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Willy Wolff <willy.mh.wolff.ml@gmail.com> To: Rob Herring <robh+dt@kernel.org>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski <krzk@kernel.org>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, m.szyprowski@samsung.com Subject: [RFC PATCH] ARM: dts: exynos: partial revert of Adjust bus related OPPs to the values correct for Exynos5422 Odroids Date: Fri, 3 Jul 2020 15:20:54 +0200 [thread overview] Message-ID: <20200703132054.re3kcgxrb7rciidy@macmini.local> (raw) Hi all, On Odroid XU3/4 board, since 5.6 with 1019fe2c728003f89ee11482cf8ec81dbd8f15ba, the network is not working properly. After properly booting, when trying to connect to the board via ssh, the board hang for a while and this message happen: [ 211.111967] ------------[ cut here ]------------ [ 211.117520] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:443 dev_watchdog+0x3ac/0x3e0 [ 211.125636] NETDEV WATCHDOG: eth0 (smsc95xx): transmit queue 0 timed out [ 211.132058] Modules linked in: [ 211.134815] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-rc3-00082-gcdd3bb54332f-dirty #1 [ 211.143518] Hardware name: Samsung Exynos (Flattened Device Tree) [ 211.149458] [<c0112290>] (unwind_backtrace) from [<c010d1ac>] (show_stack+0x10/0x14) [ 211.157287] [<c010d1ac>] (show_stack) from [<c051b93c>] (dump_stack+0xac/0xd8) [ 211.164416] [<c051b93c>] (dump_stack) from [<c0127a50>] (__warn+0xd0/0x108) [ 211.171301] [<c0127a50>] (__warn) from [<c0127e60>] (warn_slowpath_fmt+0x94/0xb8) [ 211.178824] [<c0127e60>] (warn_slowpath_fmt) from [<c0929b38>] (dev_watchdog+0x3ac/0x3e0) [ 211.187043] [<c0929b38>] (dev_watchdog) from [<c01c791c>] (call_timer_fn+0xd4/0x420) [ 211.194698] [<c01c791c>] (call_timer_fn) from [<c01c86ec>] (run_timer_softirq+0x620/0x784) [ 211.202980] [<c01c86ec>] (run_timer_softirq) from [<c0101408>] (__do_softirq+0x1e0/0x664) [ 211.211123] [<c0101408>] (__do_softirq) from [<c0130924>] (irq_exit+0x158/0x16c) [ 211.218467] [<c0130924>] (irq_exit) from [<c01a1ef0>] (__handle_domain_irq+0x80/0xec) [ 211.226304] [<c01a1ef0>] (__handle_domain_irq) from [<c0536eac>] (gic_handle_irq+0x58/0x9c) [ 211.234626] [<c0536eac>] (gic_handle_irq) from [<c0100af0>] (__irq_svc+0x70/0xb0) [ 211.241982] Exception stack(0xc1101f10 to 0xc1101f58) [ 211.246789] 1f00: ffffffff ffffffff 00000001 0008f0bd [ 211.255230] 1f20: ffffe000 c1108eec c1108f30 00000001 00000000 c0df311c 00000000 c1076028 [ 211.262303] exynos5-hsi2c 12ca0000.i2c: tx timeout [ 211.263351] 1f40: 00000000 c1101f60 c01097f8 c01097fc 600f0113 ffffffff [ 211.263649] [<c0100af0>] (__irq_svc) from [<c01097fc>] (arch_cpu_idle+0x24/0x44) [ 211.263771] [<c01097fc>] (arch_cpu_idle) from [<c01640c8>] (do_idle+0x214/0x2c0) [ 211.289414] [<c01640c8>] (do_idle) from [<c0164528>] (cpu_startup_entry+0x18/0x1c) [ 211.296999] [<c0164528>] (cpu_startup_entry) from [<c1000e54>] (start_kernel+0x4e8/0x520) [ 211.305822] irq event stamp: 585972 [ 211.308637] hardirqs last enabled at (585984): [<c0100b0c>] __irq_svc+0x8c/0xb0 [ 211.316470] hardirqs last disabled at (585993): [<c019ed9c>] console_unlock+0xd4/0x654 [ 211.324282] softirqs last enabled at (585920): [<c0130640>] irq_enter_rcu+0x7c/0x84 [ 211.332072] softirqs last disabled at (585921): [<c0130924>] irq_exit+0x158/0x16c [ 211.339329] ---[ end trace 5726ca773f159ae9 ]--- After that, the board continue working from serial console only, but the board doesn't pong anymore. Reverting some change fix the issue. Best Regards, Willy Signed-off-by: Willy Wolff <willy.mh.wolff.mh@gmail.com> --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index ab27ff8bc3dc..6f7807e82035 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -81,6 +81,7 @@ bus_fsys_apb_opp_table: opp_table4 { compatible = "operating-points-v2"; + opp-shared; /* derived from 666MHz CPLL */ opp00 { @@ -412,7 +413,8 @@ }; &bus_fsys { - operating-points-v2 = <&bus_fsys2_opp_table>; + // operating-points-v2 = <&bus_fsys2_opp_table>; + operating-points-v2 = <&bus_fsys_apb_opp_table>; devfreq = <&bus_wcore>; status = "okay"; }; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-07-03 13:20 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20200703132101eucas1p208d5f57ffd28acf6ce4662d5e9081d6c@eucas1p2.samsung.com> 2020-07-03 13:20 ` Willy Wolff [this message] 2020-07-03 13:20 ` [RFC PATCH] ARM: dts: exynos: partial revert of Adjust bus related OPPs to the values correct for Exynos5422 Odroids Willy Wolff 2020-07-13 13:23 ` Marek Szyprowski 2020-07-13 13:23 ` Marek Szyprowski
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20200703132054.re3kcgxrb7rciidy@macmini.local \ --to=willy.mh.wolff.ml@gmail.com \ --cc=devicetree@vger.kernel.org \ --cc=kgene@kernel.org \ --cc=krzk@kernel.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-samsung-soc@vger.kernel.org \ --cc=m.szyprowski@samsung.com \ --cc=robh+dt@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.