unable to handle kernel paging request at virtual address fffffff3

最新推荐文章于 2023-05-23 09:58:36 发布
原创 最新推荐文章于 2023-05-23 09:58:36 发布 · 1.3k 阅读 · 0 ·
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博客提到内核崩溃，但不清楚崩溃原因。内核崩溃是信息技术领域中可能遇到的严重问题，需进一步排查。

 

内核崩溃了，不知道为什么？

rk3568 硬件断点看数据被踩(越界)问题
陌上花开缓缓归以的博客
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文章分析了Linux内核内存访问异常"Unable to handle kernel paging request"，指出该错误通常由空指针、受限内存访问或非法用户空间访问引起。针对示例地址0xc6fef31e，初步判断为内核态内存踩踏错误。文章提供了两种调试方案：KASAN（适用于大内存）和硬件断点（适用于小内存），并详细介绍了硬件断点的配置方法和代码实现示例。最后建议使用addr2line或objdump工具定位故障指令0xc0088b8c对应的源代码位置。
[crash分析][mips]CPU 0 Unable to handle kernel paging request at virtual address之2
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openwrt定制低端设备，加载业务模块后很快就crash，之前帖子说过配置太低，所以系统异常crash后无法保存coredump，只有串口记录crash log供分析定位。 crash log如下： [ 39.985393] CPU 0 Unable to handle kernel paging request at virtual address 78ddc304, epc == 802...
[crash分析][mips]CPU 0 Unable to handle kernel paging request at virtual address
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系统平台是mips 32位架构，openwrt定制系统。产品模块加载到内核中工作。因为是低端产品，硬件配置简陋，所以系统异常crash后无法保存coredump，只有串口记录crash log供分析定位。 以下是最近遇到的一个crash： [ 293.152901] CPU 0 Unable to handle kernel paging request at virtual address ...
ARM平台下驱动出现Unable to handle kernel paging request at virtual address ffffffc01206c302错误
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Unable to handle kernel paging request at virtual address ffffffc01206c302
Unable to handle kernel paging request at virtual address 的解决办法
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安装内核模块时，如果里面有更改系统调用等情况，有时会崩溃，出现如下错误： BUG: unable to handle kernel paging request at virtual address c06357b4 printing eip:d0aac056 *pde = 0e9dd163 *pte = 00635161  Oops: 0003 [#1] SMP  Modules li
[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] [ 0.000000] Linux version 5.15.36-xilinx-v2022.2 (oe-user@oe-host) (aarch64-xilinx-linux-gcc (GCC) 11.2.0, GNU ld (GNU Binutils) 2.37.20210721) #1 SMP Mon Oct 3 07:50:07 UTC 2022 [ 0.000000] Machine model: xlnx,zynqmp [ 0.000000] earlycon: cdns0 at MMIO 0x00000000ff000000 (options '115200n8') [ 0.000000] printk: bootconsole [cdns0] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000000000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000097fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x000000007fefffff] [ 0.000000] node 0: [mem 0x0000000800000000-0x000000097fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000097fffffff] [ 0.000000] On node 0, zone Normal: 256 pages in unavailable ranges [ 0.000000] cma: Reserved 256 MiB at 0x000000006b800000 [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv1.1 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: MIGRATE_INFO_TYPE not supported. [ 0.000000] psci: SMC Calling Convention v1.2 [ 0.000000] percpu: Embedded 18 pages/cpu s34776 r8192 d30760 u73728 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: detected: ARM erratum 845719 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 2064132 [ 0.000000] Kernel command line: earlycon console=ttyPS0,115200 clk_ignore_unused root=/dev/mmcblk0p2 rw rootwait [ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Unable to handle kernel paging request at virtual address ffff00007fc00000 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000047 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x07: level 3 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000047 [ 0.000000] CM = 0, WnR = 1 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00007fc00000] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8008 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8008] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Unable to handle kernel paging request at virtual address ffff00097fff8128 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000006 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] FSC = 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000006 [ 0.000000] CM = 0, WnR = 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000001378000 [ 0.000000] [ffff00097fff8128] pgd=180000097fff8003, p4d=180000097fff8003 [ 0.000000] Insufficient stack space to handle exception! [ 0.000000] ESR: 0x96000006 -- DABT (current EL) [ 0.000000] FAR: 0xffff00097fff8128 [ 0.000000] Task stack: [0xffff8000093a0000..0xffff8000093a4000] [ 0.000000] IRQ stack: [0x0000000000000000..0x0000000000004000] [ 0.000000] Overflow stack: [0xffff00097ef6c2b0..0xffff00097ef6d2b0] [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.15.36-xilinx-v2022.2 #1 [ 0.000000] Hardware name: xlnx,zynqmp (DT) [ 0.000000] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 0.000000] pc : show_pte+0x18c/0x238 [ 0.000000] lr : show_pte+0x15c/0x238 [ 0.000000] sp : ffff8000093a0020 [ 0.000000] x29: ffff8000093a0020 x28: ffff8000093b4e80 x27: 000000007fc8d978 [ 0.000000] x26: 0000000000000000 x25: 0000000000000000 x24: ffff00097efb6f80 [ 0.000000] x23: ffff800009107000 x22: ffff800009178000 x21: 0000000000000128 [ 0.000000] x20: ffff00097fff8000 x19: ffff00097fff8128 x18: ffffffffffffffff [ 0.000000] x17: 3030666666662073 x16: 736572646461206c x15: ffff8000094a7030 [ 0.000000] x14: 0000000000000010 x13: ffff8000093c6128 x12: 00000000000003ba [ 0.000000] x11: 000000000000013e x10: ffff8000093c6128 x9 : ffff8000093c6128 [ 0.000000] x8 : 00000000fffff7ff x7 : ffff8000093f2128 x6 : ffff8000093f2128 [ 0.000000] x5 : 0000000000005ff4 x4 : 40000000fffff93e x3 : 0000000000000000 [ 0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff8000090037e8 [ 0.000000] Kernel panic - not syncing: kernel stack overflow zynqmp板卡内核打印这个错误如何解决
07-03
我们正在解决ZynqMP板卡启动时出现的内核栈溢出（'kernel stackoverflow'）错误导致内核崩溃的问题。根据之前提供的解决思路，结合ZynqMP平台特性，以下是具体解决方案： ###1. **增大内核线程栈大小（立即缓解措施...
CPU 1 Unable to handle kernel paging request at virtual address 00000004, epc == 8009627c, ra == 800961cc [14105.700932] Oops[#1]: [14105.703286] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.94 #210 [14105.709584] task: 8407a720 ti: 84082000 task.ti: 84082000 [14105.715163] $ 0 : 00000000 808e0004 00000cd4 002a03c0 [14105.720578] $ 4 : 00000001 00000000 00000018 00000cd4 [14105.725992] $ 8 : 80860000 00000000 ffffffff 0000004e [14105.731406] $12 : 002a03c0 00000000 00000000 00000000 [14105.736811] $16 : 808ed200 00000000 808f0000 81135b38 [14105.742216] $20 : c4653600 002a03c0 81135ad4 81135b58 [14105.747621] $24 : 00000000 8001dcd8 [14105.753027] $28 : 84082000 8400ded8 4f1e8abd 800961cc [14105.758434] Hi : 00011c9e [14105.761402] Lo : a1579c3c [14105.764384] epc : 8009627c ktime_get_update_offsets_now+0x190/0x1cc [14105.771035] ra : 800961cc ktime_get_update_offsets_now+0xe0/0x1cc [14105.777590] Status: 14000c02 KERNEL EXL [14105.781648] Cause : 0880000c (ExcCode 03) [14105.785784] BadVA : 00000004 [14105.788754] PrId : 00132000 (Ingenic XBurst@II.V2) [14105.793784] Modules linked in: usb_f_mass_storage libcomposite dwc2 udc_core usb_storage usbcore usb_common [14105.803871] Process swapper/1 (pid: 0, threadinfo=84082000, task=8407a720, tls=00000000) [14105.812222] Stack : 4f1e8400 81135ac0 00000003 8009cd6c 00000cd4 00000000 809060a0 b2100100 7fffffff ffffffff 81135ac0 8085870c 81135b38 81135b58 81135b78 8008dda8 80848640 8007f2a8 00000001 81137760 81135b78 8005b480 4f1e8400 00000cd4 81135ad4 00000cd4 808ed200 1c890656 809060a0 b2100100 80906188 84029c80 00000004 8085870c 00000000 80858640 00000001 8040de5c 8088daa0 84029c80
07-31
- "Unable to handle kernel paging request at virtual address" 表示CPU访问了一个无效的虚拟地址。这个地址00000004非常小，通常是一个空指针或者未初始化的指针。 - 发生位置：`ktime_get_update_offsets_now`...
以下内核崩溃可能的远因是什么[ 40.122375][ T225] CPU: 0 PID: 225 Comm: ksdioirqd/mmc2 Tainted: P W O 6.1.90-gf0180d5be79a-dirty-abANDROID_U-2024-WEEK23 #1 [ 40.122384][ T225] Hardware name: MT5221 (DT) [ 40.122388][ T225] pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 40.122394][ T225] pc : process_sdio_pending_irqs+0x40/0x1d0 [ 40.122410][ T225] lr : sdio_irq_thread+0x78/0x184 [ 40.122417][ T225] sp : ffffffc00bd5bdc0 [ 40.122420][ T225] x29: ffffffc00bd5bdd0 x28: 0000000000000000 x27: 0000000000000000 [ 40.122430][ T225] x26: 0000000000000000 x25: 0000000000000001 x24: 0000000000000003 [ 40.122439][ T225] x23: ffffff8023d7d83c x22: 0000000000000001 x21: 7fffffffffffffff [ 40.122449][ T225] x20: ffffff8023d7d000 x19: 0000000000000000 x18: ffffffc00bc9d018 [ 40.122458][ T225] x17: 00000000f01b0818 x16: 00000000f01b0818 x15: 00000000000000e6 [ 40.122467][ T225] x14: 0000000000000002 x13: 0000000000000000 x12: 00000000000000bf [ 40.122476][ T225] x11: 0000000000000000 x10: 0000000000000000 x9 : 60a69c1541ce4300 [ 40.122485][ T225] x8 : 0000000000000001 x7 : 0000000000000000 x6 : ffffffc008a788c0 [ 40.122494][ T225] x5 : 0000000000000000 x4 : 0000000000000080 x3 : 0000000000000000 [ 40.122503][ T225] x2 : 00000000fffffff3 x1 : ffffff8023a059b0 x0 : 0000000000000000 [ 40.122512][ T225] Call trace: [ 40.122516][ T225] process_sdio_pending_irqs+0x40/0x1d0 [ 40.144097][ T225] sdio_irq_thread+0x78/0x184 [ 40.144105][ T225] kthread+0x104/0x128 [ 40.144114][ T225] ret_from_fork+0x10/0x20 [ 40.144129][ T225] Code: f90007e8 f9433693 390003ff 3960e288 (39549269) [ 40.144135][ T225] ---[ end trace 0000000000000000 ]--- [ 40.144140][ T225] Kernel panic - not syncing: Oops: Fatal exception [ 40.144144][ T225] SMP: stopping secondary CPUs [ 40.144158][ T225] Kernel Offset: 0x80000 from 0xffffffc008000000 [ 40.144163][ T225] PHYS_OFFSET: 0x0 [ 40.144165][ T225] CPU features: 0x00,00040000,001400a0,6601721b [ 40.144170][ T225] Memory Limit: none [ 40.313379][ T225] Unable to handle kernel paging request at virtual address 00000000fd001cb8 [ 40.321999][ T225] Mem abort info: [ 40.325488][ T225] ESR = 0x0000000096000045 [ 40.329934][ T225] EC = 0x25: DABT (current EL), IL = 32 bits [ 40.335944][ T225] SET = 0, FnV = 0 [ 40.339695][ T225] EA = 0, S1PTW = 0 [ 40.343532][ T225] FSC = 0x05: level 1 translation fault [ 40.349108][ T225] Data abort info: [ 40.352683][ T225] ISV = 0, ISS = 0x00000045 [ 40.357216][ T225] CM = 0, WnR = 1 [ 40.360880][ T225] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000300a5000 [ 40.368021][ T225] [00000000fd001cb8] pgd=0800000030086003, p4d=0800000030086003, pud=0800000030086003, pmd=0000000000000000
最新发布
08-08
例如，在 `process_sdio_pending_irqs` 函数中，如果多个中断同时触发并尝试修改共享的数据结构（如队列或状态标志），而没有适当的锁机制，可能会导致内核进入不一致的状态，从而引发 `kernel panic` [^1]。...
Unable to handle kernel paging request at virtual address 问题定位
fuyuande的博客
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调试模块的时候出现这个问题，看panic 系统调用堆栈，cpu执行到连接跟踪模块那里，难道是内核模块有问题？不可能，想起之前内核奔溃的教训，问题肯定是出在自己的模块上。又重新详细看日志，看到最后一行有个last unloaded ddos，这是我修改的模块，问题应该还是自己模块问题，反复定位，结果发现是卸载模块的时候没有释放定时器，导致定时器超时引起内核奔溃，以前也遇到过类似调试问题，在模块中启动...
关于Linux驱动的一种错误：Unable to handle kernel paging request at virtual address
jtttl的专栏
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今天写了个AD驱动，基于S3C2440，要测8个通道正弦信号的测量，只用2440里的一条AD线路，AIN0，方案怎么做，驱动怎么写。 其中在写完测试程序，读取驱动文件里的值得时候，遇到了错误“Unable to handle kernel paging request at virtual address” 在百度里找到了半天的废话，最后还是在google里反现了重点，解决方案点击打开链接，其
kernel oops (Unable to handle kernel paging request at virtual address )三种内存访问异常
80后的梦想
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一、linux内核、用户空间的内存划分： 如下图：32位系统内核空间划分0~3G为用户空间，3~4G为内核空间。详细请参考《Linux用户空间与内核空间》 注意：内核地址空间的范围是0xC0000000 ~ 0xFFFFFFFF 而对于64位系统，内核空间划分如下： ARM64架构处理器采用48位物理寻址机制，最大可以寻找到256TB的物理地址空间。对于目前的应用来说已经足够了，不需要扩展到64位的物理地址寻址。虚拟地址也同样最大支持48位支持，所以在处理器的架构设计上，把虚拟地址空间...
关于添加系统调用遇到 Unable to handle kernel paging request at virtual address 的解决
生活需要深度
05-05 8059
原文链接：https://blog.youkuaiyun.com/m0_38066161/article/details/81813269。当 virtual addresss 地址指向的是用户空间时，强制读或者写用户空间地址中的内容会引起报错。int get_user(var, addr) //将用户空间addr中的内容读取到内核变量var中。int put_user(var, addr) //将内核变量var中的内容存放到用户空间addr中。以上三点，在下面的参考文献 [1] 已经做了很好的解释。
Unable to handle kernel paging request at virtual address错误的解决
cbl709的专栏
07-29 2万+
今天写了一个触摸屏的驱动程序，在卸载模块时出现oops,主要信息如下  Unable to handle kernel paging request at virtual address cc33cc33 …… pc is at kfree+0x44/0xd4 …… 经过分析，是因为对内存越界访问 //以下代码导致oops，原因是越界访问 ts_dev.buf[wr_pt].x=
嵌入式系统中linux内核insmod时出现Unable to handle kernel paging request at virtual address xxxx可能的原因
wzj202q的博客
05-23 2665
2.我的解决办法是：考虑到有可能是板子上的linux的zImage和PC的linux版本不一致，所以在PC上重新编译了内核,生成zImage，然后将zImage拷贝到了SD卡，板子通过SD卡启动，然后成功。如果是superboot，此日期前的应该能启动，此日期后的则必须是启用trustzone后编译的内核才能启动。3）开启了三星推荐的TrustZone安全模式，注意内核必须也要启动 TrustZone 模式，才能配合此版本的 Superboot使用，否则将无法启动；1）修正了eMMC大小显示不正确的问题；
Unable to handle kernel paging request at virtual address e6f4b4d0
u012830148的博客
03-28 3035
调试tiny4412LCD屏幕的时候，驱动加载的时候会挂掉。对寄存器ioremap的时候没有出错，但是访问寄存器的时候出错了。 [ 187.030282] Unable to handle kernel paging request at virtual address e6f4b4d0 [ 187.034416] pgd = dedc0000 [ 187.037145] [e6f4b4d...
Unable to handle kernel paging request at virtual address 0x7e005070 解决办法
Jason Leaster | Rebuilding the tower of babel
08-27 7603
有点标题党的味道了~  对于readl() 和 inl() 读取I/O端口报错的探究 给s3c6410的RTC写demo driver的时候遇到这个问题... 如图           这是虚拟内存技术导致的问题，不能直接使用物理地址(不过这里有个疑问，我上次给PC写的CMOS driver貌似用的是物理地址,布吉岛为嘛)    
CPU 0 Unable to handle kernel paging request at virtual address
08-07
当你看到"CPU 0 Unable to handle kernel paging request at virtual address"这样的信息，它通常表示操作系统内核在处理虚拟地址映射时遇到了错误。在现代计算机系统中，CPU通过虚拟内存技术管理物理内存，将进程的虚拟地址空间映射到实际的内存地址。当这个过程出错，可能是由于以下几个原因： 1. 内存管理错误：比如内存不足、内存损坏或内存管理驱动程序的问题。 2. 虚拟地址越界：如果进程试图访问超过分配给它的虚拟地址范围，可能会导致这种错误。 3. 系统资源紧张：高负载可能导致调度问题，影响内存页的交换或加载。 4. 硬件故障：如缓存一致性错误或内存条问题。 解决这个问题需要检查系统日志，查看详细的错误堆栈，可能需要重启系统、更新硬件驱动或者增加物理内存来解决问题。如果你遇到这种情况，建议联系IT支持或专业人员协助诊断。
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