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X-Google-Smtp-Source: AGHT+IGDTQV3guyGFQdvFa9MBBMMBqbczimXHCzsrX4mVkxjAgaMaF+JPWIUwRdCZRnXPN+4R1cI0P1kfFEkjG3wfzM= X-Received: by 2002:a17:90b:3d0f:b0:29b:af80:7395 with SMTP id pt15-20020a17090b3d0f00b0029baf807395mr2572866pjb.4.1710925617370; Wed, 20 Mar 2024 02:06:57 -0700 (PDT) MIME-Version: 1.0 References: <73a510c8-51a0-4a4a-1aa8-7bdcd4cdde22@linux.intel.com> In-Reply-To: From: Changhui Zhong Date: Wed, 20 Mar 2024 17:06:46 +0800 Message-ID: Subject: Re: [bug report] WARNING: CPU: 0 PID: 1 at kernel/resource.c:834 __insert_resource+0x84/0x110 To: Baoquan He Cc: =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , linux-pci@vger.kernel.org, kexec@lists.infradead.org, Vivek Goyal , Dave Young , chenhuacai@kernel.org, x86@kernel.org X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240320_020702_901892_9172E396 X-CRM114-Status: GOOD ( 24.45 ) X-BeenThere: kexec@lists.infradead.org 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Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <73a510c8-51a0-4a4a-1aa8-7bdcd4cdde22@linux.intel.com> In-Reply-To: From: Changhui Zhong Date: Wed, 20 Mar 2024 17:06:46 +0800 Message-ID: Subject: Re: [bug report] WARNING: CPU: 0 PID: 1 at kernel/resource.c:834 __insert_resource+0x84/0x110 To: Baoquan He Cc: =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , linux-pci@vger.kernel.org, kexec@lists.infradead.org, Vivek Goyal , Dave Young , chenhuacai@kernel.org, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Mar 19, 2024 at 10:43=E2=80=AFPM Baoquan He wrote: > > On 03/19/24 at 01:59pm, Ilpo J=C3=A4rvinen wrote: > > On Tue, 19 Mar 2024, Changhui Zhong wrote: > > > > > Hello, > > > > > > found a kernel warning issue at "kernel/resource.c:834 > > > __insert_resource+0x84/0x110" ,please help check, > > > > > > repo:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.g= it > > > branch: master > > > commit HEAD:f6cef5f8c37f58a3bc95b3754c3ae98e086631ca > > > > > > [ 0.130164] ------------[ cut here ]------------ > > > [ 0.130370] WARNING: CPU: 0 PID: 1 at kernel/resource.c:834 > > > __insert_resource+0x84/0x110 > > > [ 0.131364] Modules linked in: > > > [ 0.132364] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.8.0+ #1 > > > [ 0.133365] Hardware name: Dell Inc. PowerEdge R640/06DKY5, BIOS > > > 2.15.1 06/15/2022 > > > [ 0.134364] RIP: 0010:__insert_resource+0x84/0x110 > > > [ 0.135364] Code: d0 4c 39 c1 76 b1 c3 cc cc cc cc 4c 8d 4a 30 48 > > > 8b 52 30 48 85 d2 75 b7 48 89 56 30 49 89 31 48 89 46 28 31 c0 c3 cc > > > cc cc cc <0f> 0b 48 89 d0 c3 cc cc cc cc 49 89 d2 eb 1a 4d 39 42 08 7= 7 > > > 19 4d > > > [ 0.136363] RSP: 0000:ffffb257400dfe08 EFLAGS: 00010246 > > > [ 0.137363] RAX: ffff9e147ffca640 RBX: 0000000000000000 RCX: 00000= 00026000000 > > > [ 0.138363] RDX: ffffffff86c45ee0 RSI: ffffffff86c45ee0 RDI: 00000= 00026000000 > > > [ 0.139363] RBP: ffffffff8684d120 R08: 0000000035ffffff R09: 00000= 00035ffffff > > > [ 0.140363] R10: 000000002f31646f R11: 0000000059a7ffee R12: fffff= fff86c45ee0 > > > [ 0.141363] R13: 0000000000000000 R14: 0000000000000000 R15: 00000= 00000000000 > > > [ 0.142363] FS: 0000000000000000(0000) GS:ffff9e1277800000(0000) > > > knlGS:0000000000000000 > > > [ 0.143363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > > [ 0.144363] CR2: ffff9e1333601000 CR3: 0000000332220001 CR4: 00000= 000007706f0 > > > [ 0.145363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 00000= 00000000000 > > > [ 0.146363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 00000= 00000000400 > > > [ 0.147363] PKRU: 55555554 > > > [ 0.148363] Call Trace: > > > [ 0.149364] > > > [ 0.150365] ? __warn+0x7f/0x130 > > > [ 0.151363] ? __insert_resource+0x84/0x110 > > > [ 0.152364] ? report_bug+0x18a/0x1a0 > > > [ 0.153364] ? handle_bug+0x3c/0x70 > > > [ 0.154363] ? exc_invalid_op+0x14/0x70 > > > [ 0.155363] ? asm_exc_invalid_op+0x16/0x20 > > > [ 0.156364] ? __insert_resource+0x84/0x110 > > > [ 0.157364] ? add_device_randomness+0x75/0xa0 > > > [ 0.158363] insert_resource+0x26/0x50 > > > [ 0.159364] ? __pfx_insert_crashkernel_resources+0x10/0x10 > > > [ 0.160363] insert_crashkernel_resources+0x62/0x70 > > > > Hi, > > > > This seems related to crashkernel stuff, I added a few Ccs related to > > it. > > > > I don't know why you sent this only to linux-pci list as it seems likel= y > > to be entirely unrelated to PCI. > > Too few info is provided. I guess this is happening on x86_64. Do you > have the kernel config, and what kernel you are testing? What operation > are you taking to trigger this? yes=EF=BC=8Cmy server is x86_64 platform=EF=BC=8Cbase OS is RHEL9.5=EF=BC= =8Cthe default kernel is 5.14.0-428.el9.x86_64=EF=BC=8C and this issue is triggered after compile and installed the upstream kernel=EF=BC=886.8.0+=EF=BC=89then reboot the machine. I don't have the kernel config file now, if needed I can reinstall and collect it=EF=BC=8C > > Below commit could be suspect, but not sure if it's the real criminal. > > commit 4a693ce65b186fddc1a73621bd6f941e6e3eca21 > Author: Huacai Chen > Date: Fri Dec 29 16:02:13 2023 +0800 > > kdump: defer the insertion of crashkernel resources > > Dave reported a similar one, he did kexec reboot firstly, then in 2nd > kernel crashkernel reservation will trigger the iomem inserting error. > > [PATCH] x86/kexec: do not update E820 kexec table for setup_data > https://lore.kernel.org/all/ZeZ2Kos-OOZNSrmO@darkstar.users.ipa.redhat.co= m/T/#u > > Can you try Dave's patch firstly? If it doesn't work, try reverting > above Huacai's patch? it may need manual editing. > I don't know how to revert Huacai's patch, I don't know much about it, so=EF=BC=8CI try to apply Dave=E2=80=98s patch=EF=BC=8Cbut it failed=EF=BC= =9A ``` patching file arch/x86/kernel/e820.c Hunk #1 FAILED at 1015. Hunk #2 succeeded at 1038 (offset 2 lines). Hunk #3 succeeded at 1048 (offset 2 lines). 1 out of 3 hunks FAILED -- saving rejects to file arch/x86/kernel/e820.c.re= j ``` maybe Dave need to write a new version to fix it,