Re: HPPA hang with PCI SERR or PARITY enabling

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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? ;-)

HTH

T-Bone

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