Bob Montgomery wrote:
On Mon, 2006-08-14 at 14:47 +0800, Zou Nan hai wrote:This patch is the kexec-kdump patch re-based to 2.6.18-rc4 kernel.Contrary to expectations, my experience with this patch on a 2.6.18-rc4 kernel is that kexec -l, kexec -e is now working without my adding any delays to mptscsih, and the kexec -p, echo c >/proc/sysrq-trigger case hangs. My "got here" printk's on the console indicate: SysRq : Trigger a crashdump machine_crash_shutdown device_shootdown machine_kexec type: 1 And then it hangs.
Hi, I got it further down.
My test system: hp A6870A server rx2600From /proc/iomem:04a1f000-3f5e3fff : System RAM 10000000-17ffffff : Crash kernel
My test system is a zx6000. Here is from /proc/iomem: 04aaf000-3e417fff : System RAM 10000000-17ffffff : Crash kernel I used 'make tiger_defconfig', then set on CONFIG_KEXEC, CONFIG_CRASH_DUMP, and CONFIG_PROC_VMCOR. Here are shown on console: SysRq : Trigger a crashdump kernel BUG at kernel/irq/migration.c:39! bash[4846]: bugcheck! 0 [1]Modules linked in: radeon drm agpgart nfs lockd sunrpc binfmt_misc dm_mirror dmi
Pid: 4846, CPU 0, comm: bashpsr : 00001010085a2010 ifs : 800000000000038b ip : [<a0000001000e2520>] Notdip is at move_native_irq+0x1a0/0x360
unat: 0000000000000000 pfs : 000000000000038b rsc : 0000000000000003 rnat: 0000000000000000 bsps: 0000000000000000 pr : 000000000059a999 ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70033f csd : 0000000000000000 ssd : 0000000000000000 b0 : a0000001000e2520 b6 : a0000001000bc7c0 b7 : a00000010004ec60 f6 : 1003e00000000000000a0 f7 : 1003e20c49ba5e353f7cf f8 : 1003e00000000000004e2 f9 : 1003e000000000fa00000 f10 : 1003e000000003b9aca00 f11 : 1003e431bde82d7b634db r1 : a000000100b663c0 r2 : 0000000000001000 r3 : a000000100910e88 r8 : 000000000000002c r9 : 00000000000000fd r10 : a00000010097c750 r11 : 0000000000000000 r12 : e00000001c157c60 r13 : e00000001c150000 r14 : 0000000000004000 r15 : a000000100910e88 r16 : a000000100910e90 r17 : 0000000000004000 r18 : 0000000000000000 r19 : 0000000000000001 r20 : a000000100985f98 r21 : a000000100985f98 r22 : 0000000000000004 r23 : 0000000000000000 r24 : e00000003f3e0f64 r25 : 0000000000000000 r26 : e00000003f3e0f6c r27 : e00000003f3e0f50 r28 : e00000003f3e0008 r29 : 0000000000000000 r30 : 0000000000000000 r31 : 0000000000000000 Call Trace: [<a0000001000138e0>] show_stack+0x40/0xa0 sp=e00000001c1577f0 bsp=e00000001c1514a8 [<a000000100014540>] show_regs+0x840/0x880 sp=e00000001c1579c0 bsp=e00000001c151450 [<a000000100036400>] die+0x1c0/0x2c0 sp=e00000001c1579c0 bsp=e00000001c151408 [<a000000100036550>] die_if_kernel+0x50/0x80 sp=e00000001c1579e0 bsp=e00000001c1513d0 [<a000000100037c50>] ia64_bad_break+0x270/0x4a0 sp=e00000001c1579e0 bsp=e00000001c1513a8 [<a00000010000c320>] ia64_leave_kernel+0x0/0x280 sp=e00000001c157a90 bsp=e00000001c1513a8 [<a0000001000e2520>] move_native_irq+0x1a0/0x360sp=e00000001c157c60 bsp=e00000001c151350
[<a00000010004ec90>] iosapic_end_level_irq+0x30/0xe0sp=e00000001c157c60 bsp=e00000001c151330
[<a00000010005d4e0>] machine_crash_shutdown+0x120/0x220sp=e00000001c157c60 bsp=e00000001c151300
[<a0000001000d5890>] crash_kexec+0x70/0xc0sp=e00000001c157c60 bsp=e00000001c1512e0
[<a00000010045ee00>] sysrq_handle_crashdump+0x20/0x40sp=e00000001c157e20 bsp=e00000001c1512b8
[<a00000010045efe0>] __handle_sysrq+0x160/0x300sp=e00000001c157e20 bsp=e00000001c151268
[<a0000001001ba0b0>] write_sysrq_trigger+0xb0/0xe0sp=e00000001c157e20 bsp=e00000001c151238
[<a00000010012fad0>] vfs_write+0x1b0/0x340sp=e00000001c157e20 bsp=e00000001c1511e0
[<a000000100130750>] sys_write+0x70/0xe0sp=e00000001c157e20 bsp=e00000001c151168
[<a00000010000c180>] ia64_ret_from_syscall+0x0/0x20sp=e00000001c157e30 bsp=e00000001c151168
[<a000000000010620>] __kernel_syscall_via_break+0x0/0x20sp=e00000001c158000 bsp=e00000001c151168
<4>hda: lost interrupt mptscsih: ioc0: attempting task abort! (sc=e00000003e42ba00) sd 0:0:0:0: command: cdb[0]=0x4d: 4d 00 6f 00 00 00 00 00 04 00 mptbase: Initiating ioc0 recovery mptscsih: ioc0: task abort: SUCCESS (sc=e00000003e42ba00) mptscsih: ioc0: attempting task abort! (sc=e00000003e42ba00) sd 0:0:0:0: command: cdb[0]=0x0: 00 00 00 00 00 00 mptbase: Initiating ioc0 recovery mptscsih: ioc0: task abort: SUCCESS (sc=e00000003e42ba00) mptscsih: ioc0: attempting task abort! (sc=e00000003e429c00) sd 0:0:0:0: command: cdb[0]=0x0: 00 00 00 00 00 00 mptbase: Initiating ioc0 recovery mptscsih: ioc0: task abort: SUCCESS (sc=e00000003e429c00) mptscsih: ioc0: attempting task abort! (sc=e00000003e42bd00) sd 0:0:0:0: command: cdb[0]=0x0: 00 00 00 00 00 00 ide-cd: cmd 0x3 timed out hda: lost interrupt ... - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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