linux-kernel - Re: [PATCH -next v2] riscv: kdump: fix crashkernel reserving problem on RISC-V

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Message-Id: <169714322507.23371.6628705957236576989.git-patchwork-notify@kernel.org>
Date:   Thu, 12 Oct 2023 20:40:25 +0000
From:   patchwork-bot+linux-riscv@...nel.org
To:     Chen Jiahao <chenjiahao16@...wei.com>
Cc:     linux-riscv@...ts.infradead.org, bhe@...hat.com,
        thunder.leizhen@...wei.com, paul.walmsley@...ive.com,
        palmer@...belt.com, aou@...s.berkeley.edu,
        conor.dooley@...rochip.com, alexghiti@...osinc.com,
        ajones@...tanamicro.com, jszhang@...nel.org,
        sunilvl@...tanamicro.com, robh@...nel.org, bjorn@...osinc.com,
        zephray@...look.com, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next v2] riscv: kdump: fix crashkernel reserving problem on
 RISC-V

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer@...osinc.com>:

On Mon, 25 Sep 2023 10:43:33 +0800 you wrote:
> When testing on risc-v QEMU environment with "crashkernel="
> parameter enabled, a problem occurred with the following
> message:
> 
> [    0.000000] crashkernel low memory reserved: 0xf8000000 - 0x100000000 (128 MB)
> [    0.000000] crashkernel reserved: 0x0000000177e00000 - 0x0000000277e00000 (4096 MB)
> [    0.000000] ------------[ cut here ]------------
> [    0.000000] WARNING: CPU: 0 PID: 0 at kernel/resource.c:779 __insert_resource+0x8e/0xd0
> [    0.000000] Modules linked in:
> [    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 6.6.0-rc2-next-20230920 #1
> [    0.000000] Hardware name: riscv-virtio,qemu (DT)
> [    0.000000] epc : __insert_resource+0x8e/0xd0
> [    0.000000]  ra : insert_resource+0x28/0x4e
> [    0.000000] epc : ffffffff80017344 ra : ffffffff8001742e sp : ffffffff81203db0
> [    0.000000]  gp : ffffffff812ece98 tp : ffffffff8120dac0 t0 : ff600001f7ff2b00
> [    0.000000]  t1 : 0000000000000000 t2 : 3428203030303030 s0 : ffffffff81203dc0
> [    0.000000]  s1 : ffffffff81211e18 a0 : ffffffff81211e18 a1 : ffffffff81289380
> [    0.000000]  a2 : 0000000277dfffff a3 : 0000000177e00000 a4 : 0000000177e00000
> [    0.000000]  a5 : ffffffff81289380 a6 : 0000000277dfffff a7 : 0000000000000078
> [    0.000000]  s2 : ffffffff81289380 s3 : ffffffff80a0bac8 s4 : ff600001f7ff2880
> [    0.000000]  s5 : 0000000000000280 s6 : 8000000a00006800 s7 : 000000000000007f
> [    0.000000]  s8 : 0000000080017038 s9 : 0000000080038ea0 s10: 0000000000000000
> [    0.000000]  s11: 0000000000000000 t3 : ffffffff80a0bc00 t4 : ffffffff80a0bc00
> [    0.000000]  t5 : ffffffff80a0bbd0 t6 : ffffffff80a0bc00
> [    0.000000] status: 0000000200000100 badaddr: 0000000000000000 cause: 0000000000000003
> [    0.000000] [<ffffffff80017344>] __insert_resource+0x8e/0xd0
> [    0.000000] ---[ end trace 0000000000000000 ]---
> [    0.000000] Failed to add a Crash kernel resource at 177e00000
> 
> [...]

Here is the summary with links:
  - [-next,v2] riscv: kdump: fix crashkernel reserving problem on RISC-V
    https://git.kernel.org/riscv/c/1d6cd2146c2b

You are awesome, thank you!
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