Date: Fri, 16 Jul 2010 12:23:41 +0100 From: Anton Shterenlikht <mexas@bristol.ac.uk> To: freebsd-ia64@freebsd.org Subject: Re: gpart segfault and fatal kernel trap Message-ID: <20100716112341.GA99205@mech-cluster241.men.bris.ac.uk> In-Reply-To: <20100716110802.GA99033@mech-cluster241.men.bris.ac.uk> References: <20100716110802.GA99033@mech-cluster241.men.bris.ac.uk>
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On Fri, Jul 16, 2010 at 12:08:02PM +0100, Anton Shterenlikht wrote:
> On r209586 I have 2 fibre disks (da1, da2).
> I added another and did 'camcontrol rescan all'.
> I got the disk detected as da3.
> I did "gpart -c gpt da3" successfully.
> I added a UFS partition successfully:
>
> mech-as28# gpart add -t freebsd-ufs da3
> da3p1 added
>
> However "gpart show" would segfault.
>
> In addition devices /dev/da1 and /dev/da2 vanished.
>
> I decided to reboot and got this:
>
> - - - - - - - - - - - - Live Console - - - - - - - - - - - -
>
> fatal kernel trap (cpu 0):
>
> trap vector = 0x14 (Page Not Present)
> cr.iip = 0xe00000000439f2c0
> cr.ipsr = 0x1210080a6010 (mfl,ic,i,dt,dfh,rt,cpl=0,it,ri=1,bn)
> cr.isr = 0xa0400000000 (code=0,vector=0,r,ei=1,ed)
> cr.ifa = 0x18
> curthread = 0xe000000010f9c3c0
> pid = 2, comm = g_event
>
> [ thread pid 2 tid 100008 ]
> Stopped at g_access+0x41: [M1] ld8 r36=[r14]
> db> bt
> Tracing pid 2 tid 100008 td 0xe000000010f9c3c0
> g_access(0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) at g_access+0x41
> swapgeom_close_ev(0x0, 0xe0000000043977f0, 0x814, 0xd9) at swapgeom_close_ev+0x30
> g_run_events(0xe000000011443b00, 0x0, 0xe000000004aae500, 0xe000000004925888, 0xe000000004aaba38) at g_run_events+0x6c0
> g_event_procbody(0xe000000004a9c084, 0xe00000000491cd10, 0xe000000004a9b8c8, 0xe000000004401ca0) at g_event_procbody+0xf0
> fork_exit(0xe000000004977400, 0x0, 0xa0000000eaf1b550) at fork_exit+0x110
> enter_userland() at enter_userland
> db>
>
> I'll complete the reboot and see from there.
seems ok after reboot:
ZEEV> gpart show
=> 34 143374671 da0 GPT (68G)
34 409600 1 efi (200M)
409634 33554432 2 freebsd-ufs (16G)
33964066 109410639 - free - (52G)
=> 34 142255508 da1 GPT (68G)
34 33554432 1 freebsd-swap (16G)
33554466 108701076 2 freebsd-ufs (52G)
=> 34 142255508 da2 GPT (68G)
34 33554432 1 freebsd-swap (16G)
33554466 108701076 2 freebsd-ufs (52G)
=> 34 860232488 da3 GPT (410G)
34 860232488 1 freebsd-ufs (410G)
ZEEV>
I see in /var/log/messages this fragment,
resulting from my "camcontrol rescan all":
Jul 16 11:50:17 mech-as28 kernel: (da1:isp0:0:0:1): lost device
Jul 16 11:50:17 mech-as28 kernel: (da2:isp0:0:0:2): lost device
Jul 16 11:50:17 mech-as28 kernel: da3 at isp0 bus 0 scbus2 target 0 lun 4
Jul 16 11:50:17 mech-as28 kernel: da3: <COMPAQ MSA1000 VOLUME 4.32> Fixed Direct Access SCSI-4
device
Jul 16 11:50:17 mech-as28 kernel: da3: 200.000MB/s transfers WWNN 0x500805f3000ec220 WWPN 0x50
0805f3000ec221 PortID 0x10000
Jul 16 11:50:17 mech-as28 kernel: da3: Command Queueing enabled
Jul 16 11:50:17 mech-as28 kernel: da3: 420035MB (860232555 512 byte sectors: 255H 63S/T 53547C
)
Jul 16 11:50:29 mech-as28 kernel: pid 40031 (gpart), uid 0: exited on signal 11 (core dumped)
Jul 16 11:50:35 mech-as28 kernel: pid 40032 (gpart), uid 0: exited on signal 11 (core dumped)
Jul 16 11:52:42 mech-as28 kernel: pid 40042 (gpart), uid 0: exited on signal 11 (core dumped)
Marcel, is this of any interest?
many thanks
anton
--
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 331 5944
Fax: +44 (0)117 929 4423
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