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Re: kern/41013: netbsd5-rc2 crash

On Sun, 29 Mar 2009, David Holland wrote:

So, I deduce at least one of the fses involved is ffs -- but is it
vanilla ffs, softdep, or wapbl? And are you also pounding on any other
filesystem types, e.g. tmpfs?

I am using only vanilla FFSv2. The root partition is located at an internal raid (scsi, controller perc 5i), some other partitions up to a size of 3 TB are located on external storages (scsi, controller perc 4e). Quota is enabled at some partitions.

The crash results in an automatic reboot. So I get only a trace if I set ddb.onpanic=1. I will attach a new trace from last night:


uvm_fault(0xffffffff80ccc7e0, 0x0, 1) -> e
panic: fatal page faultkernel diagnostic assertion "vp->v_usecount == 1" failede

trap type 6 code 0 rip ffffffff803ce8b3 cs 8 rflags 10246 cr2 70 cpl 0 rsp fff0
kfaetrnale lb: rpeaakgpeo finatul ttr atpra ip,n  csuodpeer=0vi
sStopped in pid 0.61 (system) at netbsd:qsync+0x103: movq 0x70(%rdx,%rax8
db{0}> trace
qsync() at netbsd:qsync+0x103
ffs_sync() at netbsd:ffs_sync+0x29f
VFS_SYNC() at netbsd:VFS_SYNC+0x33
sync_fsync() at netbsd:sync_fsync+0x85
VOP_FSYNC() at netbsd:VOP_FSYNC+0x71
sched_sync() at netbsd:sched_sync+0x15d
db{0}> show registers
ds          0x3b0
es          0xf759
fs          0x7ac0
gs          0x12
rdi         0xffff800072e303b0
rsi         0
rbp         0xffff800072837b20
rbx         0xffff800072e303b0
rdx         0
rcx         0
rax         0
r8          0
r9          0
r10         0x1
r11         0
r12         0xffff80006d2b9450
r13         0xffff80009d2a0018
r14         0
r15         0xffff80007300af78
rip         0xffffffff803ce8b3  qsync+0x103
cs          0x8
rflags      0x10246
rsp         0xffff800072837af0
ss          0x10
netbsd:qsync+0x103:     movq    0x70(%rdx,%rax,8),%r14
db{0}> continue
or mode
trap type 1 code 0 rip ffffffff80535625 cs 8 rflags 246 cr2 7f7ffd68e020 cpl 00
Stopped in pid 28842.1 (find) at        netbsd:breakpoint+0x5:  leave
db{1}> continue
uvm_fault(0xffffffff80ccc7e0, 0x0, 1) -> e

dump to dev 4,1 not possible
atal page faultrebooting...

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