> On Sun, Dec 07, 2008 at 11:50:02PM -0500, John David Anglin wrote:
> > > Given your earlier comments it would seen the segfault is not
> > > reproducible and happens often and randomly?
> >
> > I gave 2.6.28-rc7-git5 a try this evening. Hit the same error.
> > While its occurence may be random, the identical fault occurred
> > multiple times in a short period of testing.
>
> I routinely get a segfault the first time I attempt to compile linux-2.6
> kernel after reboot. If I "find linux-2.6 | xargs cksum", the kernel
> builds fine.
Actually, my first segfault with 2.6.28-rc7-git5 was in the initial boot
in mountnfs. I rebooted and it didn't reoccur. Again, this was a page
fault:
do_page_fault() pid=3502 command='mountnfs' type=15 address=0x00000364
YZrvWESTHLNXBCVMcbcbcbcbOGFRQPDI
PSW: 00000000000001001111111100001111 Tainted: G W
r00-03 000000ff0004ff0f 00000000fb3a9ee8 0000000040213b5b 00000000000cf6a0
r04-07 0000000000000000 0000000000000360 00000000000e0c28 00000000000e08a8
...
IASQ: 0000000000621800 0000000000621800 IAOQ: 000000004020d40f 000000004020d413
IIR: 0ca81095 ISR: 0000000000621800 IOR: 0000000000000364
CPU: 1 CR30: 000000007e084000 CR31: ffffffffffffffff
dave@hiauly6:~/opt/gnu/bin$ disasm 0x0ca81095
0: 0c a8 10 95 ldw 4(r5),r21
Sometimes I have the feeling that with 2.6.22.19) you get one segfault
and then it runs normally for a long time.
Dave
--
J. David Anglin dave.anglin@xxxxxxxxxxxxxx
National Research Council of Canada (613) 990-0752 (FAX: 952-6602)
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