[Bug 207667] Reproducable kernel panics whilst scrubbing a zvol pool...

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207667

--- Comment #4 from Michelle Sullivan <michelle at sorbs.net> ---
Understood...


>From 'top':

Mem: 91M Active, 233M Inact, 2060M Wired, 281M Buf, 13G Free
ARC: 1536M Total, 307M MFU, 1209M MRU, 10M Anon, 5994K Header, 4495K Other
Swap: 29G Total, 29G Free

or if you prefer from dmesg:

real memory  = 17188257792 (16392 MB)
avail memory = 16491753472 (15727 MB)

da0 at umass-sim0 bus 0 scbus6 target 0 lun 0
da0: <Kingston DataTraveler 3.0 1.00> Removable Direct Access SCSI-6 device 
da0: Serial Number 60A44C3FACC9FE118997019C
da0: 40.000MB/s transfers
da0: 29510MB (60437492 512 byte sectors: 255H 63S/T 3762C)
da0: quirks=0x2<NO_6_BYTE>

And just for completeness...

[root at colossus ~]# fdisk /dev/da0
******* Working on device /dev/da0 *******
parameters extracted from in-core disklabel are:
cylinders=3762 heads=255 sectors/track=63 (16065 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=3762 heads=255 sectors/track=63 (16065 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
    start 63, size 60436467 (29509 Meg), flag 80 (active)
        beg: cyl 0/ head 1/ sector 1;
        end: cyl 689/ head 254/ sector 63
The data for partition 2 is:
<UNUSED>
The data for partition 3 is:
<UNUSED>
The data for partition 4 is:
<UNUSED>
[root at colossus ~]# bsdlabel /dev/da0s1 
# /dev/da0s1:
8 partitions:
#          size     offset    fstype   [fsize bsize bps/cpg]
  a:   60436451         16      swap                    
  c:   60436467          0    unused        0     0     # "raw" part, don't
edit


I'd suggest there is enough space... yet it doesn't produce dumps - infact when
it panics it shows the uptime then locks solid (won't respond to the 3 finger
salute) ... reset button or power button for +3 seconds is the only way to get
a response...

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