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Message-ID: <alpine.SOC.1.00.1408131327250.18696@math.ut.ee>
Date: Wed, 13 Aug 2014 14:44:42 +0300 (EEST)
From: Meelis Roos <mroos@...ux.ee>
To: David Miller <davem@...emloft.net>
cc: aaro.koskinen@....fi, sparclinux@...r.kernel.org,
linux-kernel@...r.kernel.org, hughd@...gle.com,
cat.schulze@...ce-dsl.net
Subject: Re: sparc64 WARNING: at mm/mmap.c:2757 exit_mmap+0x13c/0x160()
I tested the merged sparc64 fixes in current git.
V100: with hugetlb, looping git clone still hangs the machine. RED
state on reboot has changed - before it gave the trace on reboot and
continued, now it contonues looping with the trace indefinitely, gcc
4.6.4
Netra X1: works fine with HugeTLB (but no hugetlbfs) and looping git
clone, gcc 4.6.4.
V440: fails to boot with 3.16 and gcc 4.9.1 (same message as before, in
fault_in_user_windows+0xe0/0x100). Tried latest git with gcc 4.9.1 but
it stops after before getting to the previous failure point:
[ 77.871887] console [tty0] enabled
[ 77.912630] bootconsole [earlyprom0] disabled
T2000: works fine with gcc 4.9.1 and hugetlb, 3.16. Hangs at boot at the
same point.
U2: looping git clone fails with 3.16, no hugetlb(!!!), gcc 4.6.4;
E420R: works fine with gcc 4.6.4. 3.16, hugetlb, looping git clone;
fails to boot with current git
E220R: works with gcc 4.6.4, no hugetlb, 3.16. Hangs on boot with
current git + hugetlb.
Did not test current git more. Will test the patches on top of 3.16
separately to see if/which one of these is the culprit.
--
Meelis Roos (mroos@...ux.ee)
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