From: Corentin Labbe <clabbe.montjoie@gmail.com> To: ebiederm@xmission.com, kexec@lists.infradead.org Cc: linux-kernel@vger.kernel.org Subject: crashkernel reservation failed - No suitable area found on a cortina/gemini SoC Date: Wed, 7 Apr 2021 14:54:23 +0200 [thread overview] Message-ID: <YG2rfzRvHIZKXkf/@Red> (raw) Hello I try to do kexec on a cortina/gemini SoC. On a "normal" boot, kexec fail to find memory so I added crashkernel=8M to cmdline. (kernel size is ~6M). But now, kernel fail to reserve memory: Load Kern image from 0x30020000 to 0x800000 size 7340032 Booting Linux on physical CPU 0x0 Linux version 5.12.0-rc5-next-20210401+ (compile@Red) (armv7a-unknown-linux-gnueabihf-gcc (Gentoo 9.3.0-r2 p4) 9.3.0, GNU ld (Gentoo 2.34 p6) 2.34.0) #98 PREEMPT Wed Apr 7 14:14:08 CEST 2021 CPU: FA526 [66015261] revision 1 (ARMv4), cr=0000397f CPU: VIVT data cache, VIVT instruction cache OF: fdt: Machine model: Edimax NS-2502 Memory policy: Data cache writeback Zone ranges: Normal [mem 0x0000000000000000-0x0000000007ffffff] HighMem empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000000000-0x0000000007ffffff] Initmem setup node 0 [mem 0x0000000000000000-0x0000000007ffffff] crashkernel reservation failed - No suitable area found. Built 1 zonelists, mobility grouping on. Total pages: 32512 Kernel command line: console=ttyS0,19200n8 ip=dhcp crashkernel=8M Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear) mem auto-init: stack:off, heap alloc:off, heap free:off Memory: 119476K/131072K available (5034K kernel code, 579K rwdata, 1372K rodata, 3020K init, 210K bss, 11596K reserved, 0K cma-reserved, 0K highmem) SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 What can I do ? Thanks Regards
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From: Corentin Labbe <clabbe.montjoie@gmail.com> To: ebiederm@xmission.com, kexec@lists.infradead.org Cc: linux-kernel@vger.kernel.org Subject: crashkernel reservation failed - No suitable area found on a cortina/gemini SoC Date: Wed, 7 Apr 2021 14:54:23 +0200 [thread overview] Message-ID: <YG2rfzRvHIZKXkf/@Red> (raw) Hello I try to do kexec on a cortina/gemini SoC. On a "normal" boot, kexec fail to find memory so I added crashkernel=8M to cmdline. (kernel size is ~6M). But now, kernel fail to reserve memory: Load Kern image from 0x30020000 to 0x800000 size 7340032 Booting Linux on physical CPU 0x0 Linux version 5.12.0-rc5-next-20210401+ (compile@Red) (armv7a-unknown-linux-gnueabihf-gcc (Gentoo 9.3.0-r2 p4) 9.3.0, GNU ld (Gentoo 2.34 p6) 2.34.0) #98 PREEMPT Wed Apr 7 14:14:08 CEST 2021 CPU: FA526 [66015261] revision 1 (ARMv4), cr=0000397f CPU: VIVT data cache, VIVT instruction cache OF: fdt: Machine model: Edimax NS-2502 Memory policy: Data cache writeback Zone ranges: Normal [mem 0x0000000000000000-0x0000000007ffffff] HighMem empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000000000-0x0000000007ffffff] Initmem setup node 0 [mem 0x0000000000000000-0x0000000007ffffff] crashkernel reservation failed - No suitable area found. Built 1 zonelists, mobility grouping on. Total pages: 32512 Kernel command line: console=ttyS0,19200n8 ip=dhcp crashkernel=8M Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear) mem auto-init: stack:off, heap alloc:off, heap free:off Memory: 119476K/131072K available (5034K kernel code, 579K rwdata, 1372K rodata, 3020K init, 210K bss, 11596K reserved, 0K cma-reserved, 0K highmem) SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 What can I do ? Thanks Regards _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec
next reply other threads:[~2021-04-07 12:54 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-07 12:54 Corentin Labbe [this message] 2021-04-07 12:54 ` crashkernel reservation failed - No suitable area found on a cortina/gemini SoC Corentin Labbe 2021-04-07 14:13 ` Bruce Mitchell 2021-04-07 14:13 ` Bruce Mitchell 2021-04-07 14:23 ` Corentin Labbe 2021-04-07 14:23 ` Corentin Labbe 2021-04-07 14:28 ` Bruce Mitchell 2021-04-07 14:28 ` Bruce Mitchell 2021-04-07 14:48 ` Corentin Labbe 2021-04-07 14:48 ` Corentin Labbe 2021-04-07 14:59 ` Bruce Mitchell 2021-04-07 14:59 ` Bruce Mitchell 2021-04-09 14:53 ` Corentin Labbe 2021-04-09 14:53 ` Corentin Labbe 2021-04-09 15:06 ` Corentin Labbe 2021-04-09 15:06 ` Corentin Labbe
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