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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: FYI: Re: [XenPPC] problem of ssh to domU on js21
Hi Jimi,
It's great you can reproduce the problem. I do not recall that I have seen
those lines. I need to check it in 30 mins. Right now, the environment is
under rebuilding.
Thanks,
Hao
Jimi Xenidis
<jimix@xxxxxxxxxx
.com> To
Hao Yu/Watson/IBM@IBMUS
11/01/2006 03:19 cc
PM xen-ppc-devel@xxxxxxxxxxxxxxxxxxx
Subject
Re: FYI: Re: [XenPPC] problem of
ssh to domU on js21
Thanks Hao, I'm able to reproduce this.
The only reason we can actually use anything is because networking is
Soooo forgiving.
I think I have the solution to this, it will require some re-writing
which should get done by the end of the week.
BTW: you should have gotten lines like:
(XEN) (file=grant_table.c, line=356) Bad handle (2).
(XEN) (file=grant_table.c, line=356) Bad handle (13).
(XEN) (file=grant_table.c, line=356) Bad handle (6).
gnt_unmap: -2
(XEN) (file=grant_table.c, line=356) Bad handle (16).
gnt_unmap: -2
(XEN) (file=grant_table.c, line=356) Bad handle (2).
out of the machine console, do you see those as well?
Thanks.
-JX
On Nov 1, 2006, at 12:18 PM, Hao Yu wrote:
> Hi, Here is backtrace message from the 0.mon> console
>
> 0:mon> t
> [c0000000006ab530] c0000000002dbf7c .network_tx_buf_gc+0x11c/0x2f0
> (unreliable)
> [c0000000006ab610] c0000000002deed4 .netif_int+0x54/0x120
> [c0000000006ab6b0] c00000000008b824 .handle_IRQ_event+0x84/0x100
> [c0000000006ab750] c00000000008ba70 .__do_IRQ+0x1d0/0x2b0
> [c0000000006ab810] c0000000002c777c .evtchn_do_upcall+0x11c/0x170
> [c0000000006ab8d0] c0000000000445a0 .xen_get_irq+0x10/0x30
> [c0000000006ab950] c00000000000bf10 .do_IRQ+0x70/0x100
> [c0000000006ab9d0] c0000000000041ec hardware_interrupt_entry+0xc/0x10
> --- Exception: 501 (Hardware Interrupt) at c00000000003bcc0
> .plpar_hcall_norets+0x10/0x1c
> [link register ] c000000000045534 .HYPERVISOR_sched_op+0x124/0x150
> [c0000000006abcc0] c0000000005a06e0 (unreliable)
> [c0000000006abd70] c00000000004609c .xen_power_save+0x7c/0xa0
> [c0000000006abdf0] c000000000012060 .cpu_idle+0xe0/0x150
> [c0000000006abe70] c0000000000095dc .rest_init+0x3c/0x60
> [c0000000006abef0] c00000000052d958 .start_kernel+0x278/0x2e0
> [c0000000006abf90] c0000000000084fc .start_here_common+0x50/0x54
> 0:mon> X
> Oops: Kernel access of bad area, sig: 11 [#1]
> SMP NR_CPUS=32
> Modules linked in:
> NIP: C0000000002DBFB0 LR: C0000000002DBF8C CTR: C0000000002DEE80
> REGS: c0000000006ab2b0 TRAP: 0300 Not tainted (2.6.17-Xen)
> MSR: 8000000000001432 <ME,IR,DR> CR: 28555582 XER: 60055555
> DAR: 00000000000000C2, DSISR: 0000000040000000
> TASK = c0000000005748a0[0] 'swapper' THREAD: c0000000006a8000 CPU: 0
> GPR00: 0000000000000000 C0000000006AB530 C0000000006A9718
> C00000003FFB9678
> GPR04: 0000000000000000 C00000000071B5D8 C0000000006AB510
> 0000000000000000
> GPR08: 0000000000000000 0000000000000003 D000080080000000
> 00000000000000C2
> GPR12: 8000000000009032 C000000000575100 5555555555555555
> 5555555555555555
> GPR16: 5555555555555555 5555555555555555 5555555555555555
> C00000003FFB8000
> GPR20: C000000000568100 C00000003FFB8670 0000000000000004
> 000000000000004C
> GPR24: 0000000000000048 0000000000000020 0000000000000002
> 000000000000004B
> GPR28: 0000000000000004 C00000003FFB9680 C0000000005FB020
> C00000003FFB8500
> NIP [C0000000002DBFB0] .network_tx_buf_gc+0x150/0x2f0
> LR [C0000000002DBF8C] .network_tx_buf_gc+0x12c/0x2f0
> Call Trace:
> [C0000000006AB530] [C0000000002DBF7C] .network_tx_buf_gc+0x11c/0x2f0
> (unreliable)
> [C0000000006AB610] [C0000000002DEED4] .netif_int+0x54/0x120
> [C0000000006AB6B0] [C00000000008B824] .handle_IRQ_event+0x84/0x100
> [C0000000006AB750] [C00000000008BA70] .__do_IRQ+0x1d0/0x2b0
> [C0000000006AB810] [C0000000002C777C] .evtchn_do_upcall+0x11c/0x170
> [C0000000006AB8D0] [C0000000000445A0] .xen_get_irq+0x10/0x30
> [C0000000006AB950] [C00000000000BF10] .do_IRQ+0x70/0x100
> [C0000000006AB9D0] [C0000000000041EC] hardware_interrupt_entry+0xc/
> 0x10
> --- Exception: 501 at .plpar_hcall_norets+0x10/0x1c
> LR = .HYPERVISOR_sched_op+0x124/0x150
> [C0000000006ABCC0] [C0000000005A06E0] 0xc0000000005a06e0 (unreliable)
> [C0000000006ABD70] [C00000000004609C] .xen_power_save+0x7c/0xa0
> [C0000000006ABDF0] [C000000000012060] .cpu_idle+0xe0/0x150
> [C0000000006ABE70] [C0000000000095DC] .rest_init+0x3c/0x60
> [C0000000006ABEF0] [C00000000052D958] .start_kernel+0x278/0x2e0
> [C0000000006ABF90] [C0000000000084FC] .start_here_common+0x50/0x54
> Instruction dump:
> 809d000c 387f1178 4bfec5c9 60000000 38000000 397a00c0 901d000c
> 60000000
> e93f0170 7d35c92a fb9f0170 7c2004ac <7c005828> 3000ffff 7c00592d
> 40c2fff4
> <0>Kernel panic - not syncing: Fatal exception in interrupt
> <0>Rebooting in 180 seconds..
>
> Hao Yu
>
>
>
>
>
> Jimi Xenidis
> <jimix@xxxxxxxxxx
> .com>
> To
> Hao Yu/Watson/IBM@IBMUS
> 11/01/2006
> 12:01 cc
> PM xen-ppc-
> devel@xxxxxxxxxxxxxxxxxxx
>
> Subject
> FYI: Re: [XenPPC] problem of
> ssh to
> domU on js21
>
>
>
>
>
>
>
>
>
>
> Thank you Hao for posting the issue to the list!
> I'll be posting this highly experimental patch to the list shortly.
> -JX
>
> On Nov 1, 2006, at 11:55 AM, Hao Yu wrote:
>
>>
>> With Jimi's new patch, the ping works fine, lasting forever (stayed
>> for 1.5
>> hours). However, I could not stop it using ^C or ^Z .
>>
>> The problem here is when I try to use ssh, domU crashes with
>> following
>> messages
>>
>> cso232:/ # passwd
>> Changing password for root.
>> New Password:
>> Bad password: too simple
>> Reenter New Password:
>> Password changed.
>> cso232:/ # cpu 0x0: Vector: 300 (Data Access) at [c0000000006ab2b0]
>> pc: c0000000002dbfb0: .network_tx_buf_gc+0x150/0x2f0
>> lr: c0000000002dbf8c: .network_tx_buf_gc+0x12c/0x2f0
>> sp: c0000000006ab530
>> msr: 8000000000001032
>> dar: c2
>> dsisr: 40000000
>> current = 0xc0000000005748a0
>> paca = 0xc000000000575100
>> pid = 0, comm = swapper
>> enter ? for help
>> 0:mon>
>>
>> Here is the complete message of booting domU and the crash: (See
>> attached
>> file: p-ssh-domu.txt)
>>
>> Regards,
>> Hao Yu
>>
>> <p-ssh-domu.txt>
>> _______________________________________________
>> Xen-ppc-devel mailing list
>> Xen-ppc-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-ppc-devel
>
>
>
>
> _______________________________________________
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> Xen-ppc-devel@xxxxxxxxxxxxxxxxxxx
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