From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: Re: [PATCH v3] powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc
Date: Thu, 3 Sep 2020 22:26:29 +1000 (AEST) [thread overview]
Message-ID: <159913592797.5893.5829441560236719450.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20200902040122.136414-1-aneesh.kumar@linux.ibm.com>
On Wed, 2 Sep 2020 09:31:22 +0530, Aneesh Kumar K.V wrote:
> The test is broken w.r.t page table update rules and results in kernel
> crash as below. Disable the support until we get the tests updated.
>
> [ 21.083519] kernel BUG at arch/powerpc/mm/pgtable.c:304!
> cpu 0x0: Vector: 700 (Program Check) at [c000000c6d1e76c0]
> pc: c00000000009a5ec: assert_pte_locked+0x14c/0x380
> lr: c0000000005eeeec: pte_update+0x11c/0x190
> sp: c000000c6d1e7950
> msr: 8000000002029033
> current = 0xc000000c6d172c80
> paca = 0xc000000003ba0000 irqmask: 0x03 irq_happened: 0x01
> pid = 1, comm = swapper/0
> kernel BUG at arch/powerpc/mm/pgtable.c:304!
> [link register ] c0000000005eeeec pte_update+0x11c/0x190
> [c000000c6d1e7950] 0000000000000001 (unreliable)
> [c000000c6d1e79b0] c0000000005eee14 pte_update+0x44/0x190
> [c000000c6d1e7a10] c000000001a2ca9c pte_advanced_tests+0x160/0x3d8
> [c000000c6d1e7ab0] c000000001a2d4fc debug_vm_pgtable+0x7e8/0x1338
> [c000000c6d1e7ba0] c0000000000116ec do_one_initcall+0xac/0x5f0
> [c000000c6d1e7c80] c0000000019e4fac kernel_init_freeable+0x4dc/0x5a4
> [c000000c6d1e7db0] c000000000012474 kernel_init+0x24/0x160
> [c000000c6d1e7e20] c00000000000cbd0 ret_from_kernel_thread+0x5c/0x6c
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc
https://git.kernel.org/powerpc/c/675bceb097e6fb9769309093ec6f3d33a2fed9cc
cheers
prev parent reply other threads:[~2020-09-03 12:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-02 4:01 [PATCH v3] powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc Aneesh Kumar K.V
2020-09-03 12:26 ` Michael Ellerman [this message]
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