Re: Test failures

[Paul Goyette <paul%whooppee.com@localhost>]

(Resending with valid subject line)

On 06 Mar 2012 22:38:36 +0100, Lars Heidieker wrote:

> I'm currently more concerned about the kernel crashes they started
> sometime in November if I read Andreas reports right kern/45677 and
> kern/46096
> In case of 46096 I poked through the crashdump and there seems to be
> pool corruption pr_itemoffset is clearly wrong. I haven't yet found a
> code path that could have caused that. The crashes reported in 45677
> seem very similar in that case. I tend to agree with Martin on that issue.
> I'll try to free some time to fix the uvmwait issue but keep in mind the 
> test tests rump code not the kernel code...

I think I initially described some unexplained crashes back in October of 
last year:

http://mail-index.netbsd.org/current-users/2011/10/14/msg018065.html

Not the same ones as Andreas reported, and not the same as what I've seen 
most recently in my own test-bed:

Built from sources as of 2012-03-06 at 09:20:04

sbin/resize_ffs/t_grow (452/499): 4 test cases
   grow_16M_v0_8192: panic: kernel diagnostic assertion "BT_END(bt) < t->bt_start" 
failed: file "/test-bed/src/sys/kern/subr_vmem.c", line 1365
cpu0: Begin traceback...
kern_assert() at netbsd:kern_assert+0x48
vmem_xfree() at netbsd:vmem_xfree+0x74b
vmem_xfree() at netbsd:vmem_xfree+0x42e
putter_fop_write() at netbsd:putter_fop_write+0xef
dofilewrite() at netbsd:dofilewrite+0x7d
sys_write() at netbsd:sys_write+0x62
syscall() at netbsd:syscall+0xac
cpu0: End traceback...


Built from sources as of 2012-02-23 at 13:20:05

rump/rumpnet/t_shmif (443/499): 1 test cases
   crossping: uvm_fault(0xfffffe800626e008, 0x100000000, 2) -> e
fatal page fault in supervisor mode
trap type 6 code 2 rip ffffffff804d9144 cs 8 rflags 206 cr2  100000110 cpl 8 
rsp fffffe8002176b40
panic: trap
cpu0: Begin traceback...
printf_nolog() at netbsd:printf_nolog
startlwp() at netbsd:startlwp
alltraps() at netbsd:alltraps+0xa2
sleepq_enqueue() at netbsd:sleepq_enqueue+0xbf
lwp_park() at netbsd:lwp_park+0x107
sys____lwp_park50() at netbsd:sys____lwp_park50+0x3e
syscall() at netbsd:syscall+0xac
cpu0: End traceback...


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