【作者：张佩】【原文： http://www.yiiyee.cn/Blog/bsod-0xa-1/】
得到一个BSOD 0xA的dump文件，BSOD 0xA代表的是 IRQL_NOT_LESS_OR_EQUAL错误，也就是说试图在错误的中断级上进行特定操作。在这个例子中，错误的原因是试图在中断级2上解决页错误，引发了系统蓝屏。
用windbg打开dump文件后，先用kv和r命令获取当前状态:
0: kd> kv;r
ChildEBP RetAddr Args to Child
81256650 815cd41b 0000000a c9495000 00000002 nt!KiBugCheck2
81256650 81558315 0000000a c9495000 00000002 nt!KiTrap0E+0x1b3 (FPO: [0,0] TrapFrame @ 81256670)
812566e4 ad6a47e4 c9494efc 00000000 00000120 nt!memset+0x45 (FPO: [3,0,0])
81256734 ad6a3a5b c35d6f7c 00000010 d5140dfc XXX!initializeIsoUrb+0x74 (FPO: [Non-Fpo]) (CONV: thiscall)
81256770 ad6a3c73 c35d6f7c c346a890 00000001 XXX!completeRequest+0x1cb (FPO: [Non-Fpo]) (CONV: thiscall)
81256794 8190852a 00000000 d51bade0 c35d6f7c XXX!completeFunc+0xe3 (FPO: [Non-Fpo]) (CONV: stdcall)
812567c8 814d5885 00000000 d51bade0 81256890 nt!IovpLocalCompletionRoutine+0x12f (FPO: [3,5,4])
81256864 819090f0 8163a015 8b136708 88441a38 nt!IopfCompleteRequest+0x42e (FPO: [Non-Fpo])
812568c8 8fae1ef7 8fe50028 88441a38 8fe50b88 nt!IovCompleteRequest+0x123 (FPO: [Non-Fpo])
8125697c 8fae268a d51bade0 8fe50b88 00026202 USBPORT!USBPORT_Core_iCompleteDoneTransfer+0x99a (FPO: [3,39,4])
812569a4 8fae8df6 246b5702 8fe50028 8fe50b88 USBPORT!USBPORT_Core_iIrpCsqCompleteDoneTransfer+0x1ff (FPO: [1,4,0])
812569e0 8fae9140 8fe50028 8fe50b88 246b5702 USBPORT!USBPORT_Core_UsbIocDpc_Worker+0x1b7 (FPO: [Non-Fpo])
81256a28 814e0bc3 8fe50b94 8fe50b88 00000000 USBPORT!USBPORT_Xdpc_Worker_IocDpc+0x1c9 (FPO: [Non-Fpo])
81256ae0 814e07fe 816860c0 81256b28 bedc4d40 nt!KiExecuteAllDpcs+0x1f2 (FPO: [Non-Fpo])
81256c00 815cea74 00000000 0000000e 00000000 nt!KiRetireDpcList+0xed (FPO: [0,65,4])
81256c04 00000000 0000000e 00000000 00000000 nt!KiIdleLoop+0x38 (FPO: [0,0,0])
eax=00000002 ebx=00000001 ecx=00000001 edx=00000000 esi=81558315 edi=c9495000
eip=81553c24 esp=81256654 ebp=81256670 iopl=0 nv up ei pl nz na po nc
cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00000202
nt!KiBugCheck2:
81553c24 55 push ebp
继续阅读“虫趣：内存误操作引发中断级错误（IRQL_NOT_LESS_OR_EQUAL）”
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