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Tue, 20 Jun 2023 12:35:01 -0700 (PDT) Date: Tue, 20 Jun 2023 13:34:57 -0600 From: Yu Zhao To: Sachin Sant Cc: linux-mm@kvack.org, linuxppc-dev Subject: Re: [6.4.0-rc7-next-20230620] Boot failure on IBM Power LPAR Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 6E62A140022 X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: t36nsya5fanq4tmdc57uri75nr1apgeu X-HE-Tag: 1687289703-538356 X-HE-Meta: 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 MuabCJJo c9FsuV5Lu+LIL2VrkJD+7IXaAHhysF16wmQ+7DUb4IBP5LQ1q+tNTKr6sMV2BoGbGBj73Ap7WBz2BQV1JHtghUd9tgowhmfgxcZaqNWs7+jezrn/2FzTue8o+9DcEJEwKj0ulsoREDbdZDWX847QNiJEs7fKdywO/6nkEcO4y/yJjfv+gaSIF0OpbtJMMc3V6D5Vb4bhPx8iuO7txP1Uwpiijr5LmxoQMA+KW8yJ8aw7w87e1wCIBSSBAKbCxHZywe+CR7f/KDRh/mlct7Wz/+Jb7Wl3EkVCplZMQJ6IbsdEzVw/bWNM4dG5wn6WfkTOZikd8TemOHYy5atzcOW2gVmvaY/r25hC+lFbV8LcSU/ZVpKXdDtUwjQFp5Q== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jun 20, 2023 at 05:41:57PM +0530, Sachin Sant wrote: > 6.4.0-rc7-next-20230620 fails to boot on IBM Power LPAR with following Sorry for hijacking this thread -- I've been seeing another crash on NV since -rc1 but I haven't had the time to bisect. Just FYI. [ 0.814500] BUG: Unable to handle kernel data access on read at 0xc00a0000000003f9 [ 0.814814] Faulting instruction address: 0xc000000000c77324 [ 0.814988] Oops: Kernel access of bad area, sig: 11 [#1] [ 0.815185] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA PowerNV [ 0.815487] Modules linked in: [ 0.815653] CPU: 4 PID: 1 Comm: swapper/0 Not tainted 6.4.0-rc7 #1 [ 0.815980] Hardware name: ZAIUS_FX_10 POWER9 (raw) 0x4e1202 opal:custom PowerNV [ 0.816293] NIP: c000000000c77324 LR: c000000000c7c2c8 CTR: c000000000c77270 [ 0.816525] REGS: c00020000a416de0 TRAP: 0300 Not tainted (6.4.0-rc7) [ 0.816778] MSR: 9000000000009033 CR: 24008280 XER: 20040000 [ 0.817113] CFAR: c000000000c772c8 DAR: c00a0000000003f9 DSISR: 40000000 IRQMASK: 1 [ 0.817113] GPR00: c000000000c7c2c8 c00020000a417080 c000000001deea00 00000000000003f9 [ 0.817113] GPR04: 0000000000000001 0000000000000000 c0000000027f3b28 c0000000016e0610 [ 0.817113] GPR08: 0000000000000000 c000000002b9db10 c000000002b903e0 0000000084008282 [ 0.817113] GPR12: 0000000000000000 c000003ffffdba00 c0000000000128c8 0000000000000000 [ 0.817113] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000007 [ 0.817113] GPR20: c0000000027903f0 c0000000020034a4 c0000000029db000 0000000000000000 [ 0.817113] GPR24: c0000000029dad70 c0000000029dad50 0000000000000000 0000000000000001 [ 0.817113] GPR28: c000000002d57378 0000000000000000 c000000002d47378 c00a0000000003f9 [ 0.820185] NIP [c000000000c77324] io_serial_in+0xb4/0x130 [ 0.820383] LR [c000000000c7c2c8] serial8250_config_port+0x4b8/0x1680 [ 0.820610] Call Trace: [ 0.820733] [c00020000a417080] [c000000000c768c8] serial8250_request_std_resource+0x88/0x200 (unreliable) [ 0.821221] [c00020000a4170c0] [c000000000c7be50] serial8250_config_port+0x40/0x1680 [ 0.821623] [c00020000a417190] [c000000000c733ec] univ8250_config_port+0x11c/0x1e0 [ 0.821956] [c00020000a4171f0] [c000000000c71824] uart_add_one_port+0x244/0x750 [ 0.822244] [c00020000a417310] [c000000000c73958] serial8250_register_8250_port+0x3b8/0x780 [ 0.822504] [c00020000a4173c0] [c000000000c7411c] serial8250_probe+0x14c/0x1e0 [ 0.822833] [c00020000a417760] [c000000000cd87e8] platform_probe+0x98/0x1b0 [ 0.823157] [c00020000a4177e0] [c000000000cd2a50] really_probe+0x130/0x5b0 [ 0.823517] [c00020000a417870] [c000000000cd2f94] __driver_probe_device+0xc4/0x240 [ 0.823827] [c00020000a4178f0] [c000000000cd3164] driver_probe_device+0x54/0x180 [ 0.824096] [c00020000a417930] [c000000000cd3618] __driver_attach+0x168/0x300 [ 0.824330] [c00020000a4179b0] [c000000000ccf468] bus_for_each_dev+0xa8/0x130 [ 0.824650] [c00020000a417a10] [c000000000cd1ef4] driver_attach+0x34/0x50 [ 0.825094] [c00020000a417a30] [c000000000cd112c] bus_add_driver+0x16c/0x310 [ 0.825445] [c00020000a417ac0] [c000000000cd55d4] driver_register+0xa4/0x1b0 [ 0.825787] [c00020000a417b30] [c000000000cd7548] __platform_driver_register+0x38/0x50 [ 0.826037] [c00020000a417b50] [c00000000206be38] serial8250_init+0x1f8/0x270 [ 0.826267] [c00020000a417c00] [c000000000012260] do_one_initcall+0x60/0x300 [ 0.826529] [c00020000a417ce0] [c0000000020052c4] kernel_init_freeable+0x3c0/0x484 [ 0.826883] [c00020000a417de0] [c0000000000128f4] kernel_init+0x34/0x1e0 [ 0.827187] [c00020000a417e50] [c00000000000d014] ret_from_kernel_user_thread+0x14/0x1c [ 0.827595] --- interrupt: 0 at 0x0 [ 0.827722] NIP: 0000000000000000 LR: 0000000000000000 CTR: 0000000000000000 [ 0.827951] REGS: c00020000a417e80 TRAP: 0000 Not tainted (6.4.0-rc7) [ 0.828162] MSR: 0000000000000000 <> CR: 00000000 XER: 00000000 [ 0.828394] CFAR: 0000000000000000 IRQMASK: 0 [ 0.828394] GPR00: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR04: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR08: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR12: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR20: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR24: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.828394] GPR28: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 0.831329] NIP [0000000000000000] 0x0 [ 0.831445] LR [0000000000000000] 0x0 [ 0.831554] --- interrupt: 0 [ 0.831664] Code: 7bc30020 eba1ffe8 ebc1fff0 ebe1fff8 4e800020 60000000 60420000 3d2200db 3929f110 ebe90000 7fe3fa14 7c0004ac <8bdf0000> 0c1e0000 4c00012c 57de063e [ 0.832263] ---[ end trace 0000000000000000 ]---