Re: HPPA hang with PCI SERR or PARITY enabling

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On Mon, Aug 10, 2009 at 10:01 AM, Thibaut VARENE<T-Bone@xxxxxxxxxxxxxxxx> wrote:
> On Mon, Aug 10, 2009 at 3:22 AM, Randolph Chung<randolph@xxxxxxxxx> wrote:
>>>
>>>> [    7.988000] Freeing unused kernel memory: <0>------------[ cut here
>>>> ]------------
>>>> [    8.096000] Badness at
>>>> /build/buildd/linux-2.6-2.6.30/debian/build/source_hppa_none/kernel/smp.c:369
>>>> [    8.104000] [    8.104000]      YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
>>>> [    8.108000] PSW: 00001000000001100000000000001110 Not tainted
>>>> [    8.116000] r00-03  000000000806000e 0000000040686fa0 0000000040182c6c
>>>> 000000004058d020
>>>> [    8.120000] r04-07  0000000040668fa0 000000004065e7c0 00000000404f7db0
>>>> 000000r08-11  0000000040686fa0 000000004065e7c0 0000000000000000
>>>> 00000000406797a0
>>>> [    8.644000] r12-15  0000000000000001 0000000000000001 0000000000000000
>>>> 0000000000000001
>>>> [    8.776000] r16-19  00000000f00003b0 0000000040686fa0 000000012f87cb40
>>>> 00000000406d6000
>>>> [    8.784000] r20-23  0000000000000000 00000000406d6000 ffffffffffffffff
>>>> 0000000000000001
>>>> [    8.788000] r24-27  0000000000000000 000000004065e7c0 00000000404f7db0
>>>> 0000000040668fa0
>>>> [    8.796000] r28-31  0000000000000000 000000012f880490 000000012f880580
>>>> 0000000000000000
>>>> [    8sr00-03  0000000000000000 0000000000000000 0000000000000000
>>>> 0000000000000000
>>>> [    9.208000] sr04-07  0000000000000000 0000000000000000
>>>> 0000000000000000 0000000000000000
>>>> [    9.340000] [    9.340000] IASQ: 0000000000000000 0000000000000000
>>>> IAOQ: 00000000401829b4 00000000401829b8
>>>> [    9.348000]  IIR: 03ffe01f    ISR: 0000000010240000  IOR:
>>>> 0000000179de7d0c
>>>> [    9.356000]  CPU:        0   CR30: 000000012f880000 CR31:
>>>> 0000000000008020
>>>> [    9.360000]  ORIG_R28: 000000000800000e
>>>> [    9.364000]  mp_call_function_many+0x7c/0x2f8
>>>> [    9.768000]  IAOQ[1]: smp_call_function_many+0x80/0x2f8
>>>> [    9.796000]  RP(r2): smp_call_function+0x3c/0x50
>>>> [    9.800000] Backtrace:
>>>> [    9.804000] Backtrace:
>>>> [    9.804000]  [<0000000040115fe8>] printk+0x40/0x50
>>>> [    9.804000]  [<0000000040152760>] print_tainted+0xc0/0xe0
>>>> [    9.804000]  [<0000000040104084>] intr_check_sig+0x0/0x38
>>>> [    9.804000]  [<0000000040104074>] intr_return+0x0/0x4
>>>> [    9.804000]  [<0000000040182c6c>] smp_call_function+0x3c/0x50
>>>> [    9.804000]  [<0000000040159d08>] on_each_cpu+0x28/0x68
>>>> [    9.804000]  [<000000004011b92c>] free_initmem+0x94/0x340
>>>>
>
>> As others have pointed out this smp dump appears to be "harmless" and may
>> not be the real culprit of the problems you are seeing.
>>
>> Is there another error message further on? Your URL doesn't work for me
>> either.
>
> For the sake of reliability I've put a (temporary) static copy of the page here:
> http://www.pateam.org/archive/tmp/serrparitylogs.html
> It still links to the original URL for CSS and stuff, but at least the
> logs are there.
>
> FWIW, the above dump is not the final message, from what can be seen
> of the other dumps. As a matter of fact, it happens way before the
> actual crash, which is triggered by loading drivers (SYM, afaict).
> Output is garbled by GSP, and it seems to me that the dump with
> pdcchassis=0 is truncated. Could the author post a full dump of the
> boot log with pdcchassis=0 please? (and maybe use pastebin? ;-)

Bummer, I've been reading the logs a bit too quickly. It seems we have
two different problems here:

2.6.30-1-64smp doesn't boot (apparently doesn't load init, hangs after
the badness in smp.c message)
2.6.30-1-64up crashes while loading PCI drivers

A log of the up kernel with pdcchassis=0 would thus be helpful.

HTH

-- 
Thibaut VARENE
http://www.parisc-linux.org/~varenet/
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