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Re: Test failures

(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
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:

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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