Hi,
I am working on an iSCSI target driver with a Fibre Channel disk. After I
updated my OS to linux7.3 with kernel 2.4.18-3, I got problem: my driver
will crash my box. I am not sure if it is a bug in my code or in the
Qlogic Fibre Channel driver or in the kernel. Could anyone give me a hint?
The kernel log file is as following:
Jun 27 14:38:11 sierra kernel: ------------[ cut here ]------------
Jun 27 14:38:11 sierra kernel: kernel BUG at /usr/src/build/90234-i686/BUILD/kernel-2.4.18/linux/include/asm/pci.h:153!
Jun 27 14:38:11 sierra kernel: invalid operand: 0000
Jun 27 14:38:11 sierra kernel: iscsi_target scsi_target es1371 ac97_codec gameport soundcore i810 agpgart bin
Jun 27 14:38:11 sierra kernel: CPU: 0
Jun 27 14:38:11 sierra kernel: EIP: 0010:[<c8832442>] Not tainted
Jun 27 14:38:11 sierra kernel: EFLAGS: 00010082
Jun 27 14:38:11 sierra kernel:
Jun 27 14:38:11 sierra kernel: EIP is at qla2x00_64bit_start_scsi [qla2200] 0xc2 (2.4.18-3)
Jun 27 14:38:11 sierra kernel: eax: 00000059 ebx: 00000000 ecx: 00000001 edx: 00002930
Jun 27 14:38:11 sierra kernel: esi: 00000001 edi: 00000001 ebp: c7e30084 esp: c5849e58
Jun 27 14:38:11 sierra kernel: ds: 0018 es: 0018 ss: 0018
Jun 27 14:38:11 sierra kernel: Process scsi_target_thread
Jun 27 14:38:11 sierra kernel: (pid: 1744, stackpage=c5849000)
Jun 27 14:38:11 sierra kernel: Stack: c883ebc0 00000099 00000000 000000d1 66692020 c7e0e500 c7c05e60 00000000
Jun 27 14:38:11 sierra kernel: 00000001 c78fe000 00292264 0000d800 c78ff1a0 c7952000 c7e30084 c7952004
Jun 27 14:38:11 sierra kernel: c8836812 c78ff1a0 c78ff1a0 c7e30084 00000000 c7953800 c882f445 c7e30084
Jun 27 14:38:11 sierra kernel: Call Trace: [<c883ebc0>] .rodata.str1.32 [qla2200] 0x60
Jun 27 14:38:11 sierra kernel: [<c8836812>] qla2x00_next [qla2200] 0xa2
Jun 27 14:38:11 sierra kernel: [<c882f445>] qla2100_queuecommand [qla2200] 0x295
Jun 27 14:38:11 sierra kernel: [<c880d679>] scsi_dispatch_cmd [scsi_mod] 0x1e9
Jun 27 14:38:11 sierra kernel: [<c8813a50>] scsi_old_done [scsi_mod] 0x0
Jun 27 14:38:11 sierra kernel: [<c8815364>] scsi_request_fn [scsi_mod] 0x2d4
Jun 27 14:38:11 sierra kernel: [<c8814744>] __scsi_insert_special [scsi_mod] 0x64
Jun 27 14:38:11 sierra kernel: [<c881479a>] scsi_insert_special_req [scsi_mod] 0x1a
Jun 27 14:38:11 sierra kernel: [<c880d964>] scsi_do_req_Rc63a25cd [scsi_mod] 0x174
Jun 27 14:38:11 sierra kernel: [<c8e67360>] te_cmnd_processed [scsi_target] 0x0
Jun 27 14:38:11 sierra kernel: [<c8e67349>] handle_cmd [scsi_target] 0x249
Jun 27 14:38:11 sierra kernel: [<c8e67360>] te_cmnd_processed [scsi_target] 0x0
Jun 27 14:38:11 sierra kernel: [<c8e66937>] scsi_target_process_thread [scsi_target] 0x267
Jun 27 14:38:11 sierra kernel: [<c8e69358>] target_data [scsi_target] 0x18
Jun 27 14:38:11 sierra kernel: [<c8e6892e>] .rodata.str1.1 [scsi_target] 0x6e
Jun 27 14:38:11 sierra kernel: [<c8e676ab>] .text.lock.KBUILD_BASENAME [scsi_target] 0x2d
Jun 27 14:38:11 sierra kernel: [<c8e666d0>] scsi_target_process_thread [scsi_target] 0x0
Jun 27 14:38:11 sierra kernel: [<c0107136>] kernel_thread [kernel] 0x26
Jun 27 14:38:11 sierra kernel: [<c8e666d0>] scsi_target_process_thread [scsi_target] 0x0
+----------------------------------------------------+
| Chaoyang Deng -- cdeng@iol.unh.edu -- 603.868.1908 |
| iSCSI Consortium, InterOperability lab (IOL), UNH |
| http://www.iol.unh.edu/consortiums/iscsi/ |
| 204 Forest Park, Durham, NH 03824 -- 603.862.3470 |
+----------------------------------------------------+
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