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Problem with TLB mcheck!

To: linux-mips@linux-mips.org
Subject: Problem with TLB mcheck!
From: art <art@sigrand.ru>
Date: Wed, 31 May 2006 10:42:27 +0700
Organization: Sigrand LLC
Original-recipient: rfc822;linux-mips@linux-mips.org
Reply-to: art <art@sigrand.ru>
Sender: linux-mips-bounce@linux-mips.org
Sorry for resending, but I find out that I wasn't subscribed!
I use 2.6.16 kernel from linux-mips.org (from tarrball).
When I execute:
# cat /bin/busybox > box
Got mcheck at 800f9b68
Cpu 0
$ 0   : 00000000 10008400 c00216bc c00316bc
$ 4   : c00116bc 00004000 00000005 00008000
$ 8   : c00356bc c003d6bc c00016bc 00010000
$12   : 0000000f 00008000 00007fff 00007fff
$16   : 00000003 8024da80 00000008 c0000000
$20   : 00000000 803d7000 8118c000 80240000
$24   : 0000000f 00000000
$28   : 81200000 81201b80 00001000 800f9c0c
Hi    : 0000000b
Lo    : 5555555b
epc   : 800f9b68 zlib_deflateInit2_+0x184/0x200     Not tainted
ra    : 800f9c0c zlib_deflateInit_+0x28/0x34
Status: 10208403    KERNEL EXL IE
Cause : 00800060
PrId  : 0001800b
Hi    : 0000000b
Pagemask: ffffffff
EntryHi : c0000096
EntryLo0: 0000a05f
EntryLo1: 0000a09f

Index:  3 pgmask=4kb va=00468000 asid=96
                        [pa=00378000 c=3 d=0 v=1 g=0]
                        [pa=00000000 c=0 d=0 v=0 g=0]

Index:  6 pgmask=4kb va=7fa0a000 asid=96
                        [pa=012f7000 c=3 d=1 v=1 g=0]
                        [pa=01244000 c=3 d=1 v=1 g=0]

Index:  7 pgmask=4kb va=004f0000 asid=96
                        [pa=012f4000 c=3 d=1 v=1 g=0]
                        [pa=00000000 c=0 d=0 v=0 g=0]

Index: 10 pgmask=4kb va=0046e000 asid=96
                        [pa=00310000 c=3 d=0 v=1 g=0]
                        [pa=00311000 c=3 d=0 v=1 g=0]

Index: 11 pgmask=4kb va=0046a000 asid=96
                        [pa=0030c000 c=3 d=0 v=1 g=0]
                        [pa=00000000 c=0 d=0 v=0 g=0]

Index: 15 pgmask=4kb va=0048c000 asid=96
                        [pa=0032e000 c=3 d=0 v=1 g=0]
                        [pa=0032f000 c=3 d=0 v=1 g=0]


Code: 00684021  00055880  ae33001c <ae640038> a272001d  ae740018 
ae6e002c  ae6f004c  ae660050
Kernel panic - not syncing: Caught Machine Check exception - caused
by multiple matching entries in the TLB.

This thig happens, as I noted, when work with relatively big amounts
of memory ( more than 10-60Kb). busybox for example 700Kb


-- 
Best regards,
 art                            mailto:art@sigrand.ru



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