From: Mark Rutland <mark.rutland@arm.com>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: open list <linux-kernel@vger.kernel.org>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
lkft-triage@lists.linaro.org, regressions@lists.linux.dev,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Brown <broonie@kernel.org>, Will Deacon <will@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Anders Roxell <anders.roxell@linaro.org>,
Aishwarya TCV <Aishwarya.TCV@arm.com>
Subject: Re: FVP: kernel BUG at arch/arm64/kernel/traps.c:497 - Internal error: Oops - BUG: 0
Date: Tue, 12 Jul 2022 17:21:00 +0100 [thread overview]
Message-ID: <Ys2fbFm/qeLE2zol@FVFF77S0Q05N.cambridge.arm.com> (raw)
In-Reply-To: <Ys1t8win0pVPPuig@FVFF77S0Q05N.cambridge.arm.com>
On Tue, Jul 12, 2022 at 01:49:55PM +0100, Mark Rutland wrote:
> On Tue, Jul 12, 2022 at 03:27:09PM +0530, Naresh Kamboju wrote:
> > [ 0.500613] ------------[ cut here ]------------
> > [ 0.500709] kernel BUG at arch/arm64/kernel/traps.c:497!
> > [ 0.500777] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
> > [ 0.500860] Modules linked in:
> > [ 0.500947] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W
> > 5.19.0-rc6-next-20220711 #1
> > [ 0.501034] Hardware name: FVP Base RevC (DT)
> > [ 0.501109] pstate: 00400009 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> > [ 0.501209] pc : do_undefinstr+0x284/0x2b4
> > [ 0.501381] lr : do_undefinstr+0x150/0x2b4
> > [ 0.501509] sp : ffff80000affbbc0
> > [ 0.501509] x29: ffff80000affbbc0 x28: ffff000800330000 x27: ffff800009f00444
> > [ 0.501759] x26: ffff800009fe6038 x25: 0000000000000001 x24: ffff80000a115968
> > [ 0.501923] x23: 0000000040400009 x22: ffff800009f80de0 x21: ffff80000affbd90
> > [ 0.502109] x20: 0000000001000000 x19: ffff80000affbc40 x18: ffffffffffffffff
> > [ 0.502309] x17: 000000000000003f x16: 000000000000000a x15: ffff0008002b1a1c
> > [ 0.502422] x14: ffffffffffffffff x13: ffff0008002b1268 x12: 20726f20746e6573
> > [ 0.502683] x11: ffff80000aa12950 x10: 0000000000000073 x9 : ffff8000093bcd6c
> > [ 0.502856] x8 : 000000003d4d554e x7 : ffff80000affbce0 x6 : 0000000000000001
> > [ 0.503030] x5 : ffff80000a9ef000 x4 : ffff80000a9ef2e0 x3 : 0000000000000000
> > [ 0.503234] x2 : ffff000800330000 x1 : ffff000800330000 x0 : 0000000040400009
> > [ 0.503409] Call trace:
> > [ 0.503480] do_undefinstr+0x284/0x2b4
> > [ 0.503562] el1_undef+0x30/0x60
> > [ 0.503709] el1h_64_sync_handler+0x84/0xd0
> > [ 0.503811] el1h_64_sync+0x64/0x68
> > [ 0.503909] net_sysctl_init+0x8/0x7c
> > [ 0.504053] do_one_initcall+0x50/0x2b0
> > [ 0.504158] kernel_init_freeable+0x24c/0x2d4
> > [ 0.504245] kernel_init+0x30/0x140
> > [ 0.504381] ret_from_fork+0x10/0x20
> > [ 0.504509] Code: 17ffff98 a9425bf5 17ffffbb a9025bf5 (d4210000)
> > [ 0.504627] ---[ end trace 0000000000000000 ]---
>
> We should really improve this WARN to something that tells us about the actual
> failing instruction.
FWIW, I've put together a series to improve the reporting here:
https://lore.kernel.org/linux-arm-kernel/20220712161452.4142444-1-mark.rutland@arm.com
Thanks,
Mark.
WARNING: multiple messages have this Message-ID (diff)
From: Mark Rutland <mark.rutland@arm.com>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: open list <linux-kernel@vger.kernel.org>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
lkft-triage@lists.linaro.org, regressions@lists.linux.dev,
Catalin Marinas <catalin.marinas@arm.com>,
Mark Brown <broonie@kernel.org>, Will Deacon <will@kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
Anders Roxell <anders.roxell@linaro.org>,
Aishwarya TCV <Aishwarya.TCV@arm.com>
Subject: Re: FVP: kernel BUG at arch/arm64/kernel/traps.c:497 - Internal error: Oops - BUG: 0
Date: Tue, 12 Jul 2022 17:21:00 +0100 [thread overview]
Message-ID: <Ys2fbFm/qeLE2zol@FVFF77S0Q05N.cambridge.arm.com> (raw)
In-Reply-To: <Ys1t8win0pVPPuig@FVFF77S0Q05N.cambridge.arm.com>
On Tue, Jul 12, 2022 at 01:49:55PM +0100, Mark Rutland wrote:
> On Tue, Jul 12, 2022 at 03:27:09PM +0530, Naresh Kamboju wrote:
> > [ 0.500613] ------------[ cut here ]------------
> > [ 0.500709] kernel BUG at arch/arm64/kernel/traps.c:497!
> > [ 0.500777] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
> > [ 0.500860] Modules linked in:
> > [ 0.500947] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W
> > 5.19.0-rc6-next-20220711 #1
> > [ 0.501034] Hardware name: FVP Base RevC (DT)
> > [ 0.501109] pstate: 00400009 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
> > [ 0.501209] pc : do_undefinstr+0x284/0x2b4
> > [ 0.501381] lr : do_undefinstr+0x150/0x2b4
> > [ 0.501509] sp : ffff80000affbbc0
> > [ 0.501509] x29: ffff80000affbbc0 x28: ffff000800330000 x27: ffff800009f00444
> > [ 0.501759] x26: ffff800009fe6038 x25: 0000000000000001 x24: ffff80000a115968
> > [ 0.501923] x23: 0000000040400009 x22: ffff800009f80de0 x21: ffff80000affbd90
> > [ 0.502109] x20: 0000000001000000 x19: ffff80000affbc40 x18: ffffffffffffffff
> > [ 0.502309] x17: 000000000000003f x16: 000000000000000a x15: ffff0008002b1a1c
> > [ 0.502422] x14: ffffffffffffffff x13: ffff0008002b1268 x12: 20726f20746e6573
> > [ 0.502683] x11: ffff80000aa12950 x10: 0000000000000073 x9 : ffff8000093bcd6c
> > [ 0.502856] x8 : 000000003d4d554e x7 : ffff80000affbce0 x6 : 0000000000000001
> > [ 0.503030] x5 : ffff80000a9ef000 x4 : ffff80000a9ef2e0 x3 : 0000000000000000
> > [ 0.503234] x2 : ffff000800330000 x1 : ffff000800330000 x0 : 0000000040400009
> > [ 0.503409] Call trace:
> > [ 0.503480] do_undefinstr+0x284/0x2b4
> > [ 0.503562] el1_undef+0x30/0x60
> > [ 0.503709] el1h_64_sync_handler+0x84/0xd0
> > [ 0.503811] el1h_64_sync+0x64/0x68
> > [ 0.503909] net_sysctl_init+0x8/0x7c
> > [ 0.504053] do_one_initcall+0x50/0x2b0
> > [ 0.504158] kernel_init_freeable+0x24c/0x2d4
> > [ 0.504245] kernel_init+0x30/0x140
> > [ 0.504381] ret_from_fork+0x10/0x20
> > [ 0.504509] Code: 17ffff98 a9425bf5 17ffffbb a9025bf5 (d4210000)
> > [ 0.504627] ---[ end trace 0000000000000000 ]---
>
> We should really improve this WARN to something that tells us about the actual
> failing instruction.
FWIW, I've put together a series to improve the reporting here:
https://lore.kernel.org/linux-arm-kernel/20220712161452.4142444-1-mark.rutland@arm.com
Thanks,
Mark.
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linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-07-12 16:21 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-12 9:57 FVP: kernel BUG at arch/arm64/kernel/traps.c:497 - Internal error: Oops - BUG: 0 Naresh Kamboju
2022-07-12 9:57 ` Naresh Kamboju
2022-07-12 11:54 ` Mark Brown
2022-07-12 11:54 ` Mark Brown
2022-07-13 19:37 ` Naresh Kamboju
2022-07-13 19:37 ` Naresh Kamboju
2022-07-14 11:26 ` Mark Rutland
2022-07-14 11:26 ` Mark Rutland
2022-07-14 11:42 ` Mark Brown
2022-07-14 11:42 ` Mark Brown
2022-07-14 12:57 ` Mark Rutland
2022-07-14 12:57 ` Mark Rutland
2022-07-14 13:06 ` Mark Rutland
2022-07-14 13:06 ` Mark Rutland
2022-07-14 13:39 ` Mark Rutland
2022-07-14 13:39 ` Mark Rutland
2022-07-14 14:05 ` Naresh Kamboju
2022-07-14 14:05 ` Naresh Kamboju
2022-07-15 12:28 ` Mark Brown
2022-07-15 12:28 ` Mark Brown
2022-07-14 11:37 ` Mark Brown
2022-07-14 11:37 ` Mark Brown
2022-07-12 12:49 ` Mark Rutland
2022-07-12 12:49 ` Mark Rutland
2022-07-12 12:52 ` Mark Brown
2022-07-12 12:52 ` Mark Brown
2022-07-12 16:21 ` Mark Rutland [this message]
2022-07-12 16:21 ` Mark Rutland
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