Date: Sun, 6 Oct 2002 18:31:33 +0100 From: fergus <ttz@blahdeblah.demon.co.uk> To: current <freebsd-current@freebsd.org> Subject: Re: kernel panic from vinum during 'restore' Message-ID: <20021006173133.GA1186@pooh.blahdeblah.demon.co.uk> In-Reply-To: <20021006150253.GA81452@pooh.blahdeblah.demon.co.uk> References: <20021005211610.GA56638@pooh.blahdeblah.demon.co.uk> <20021006150253.GA81452@pooh.blahdeblah.demon.co.uk>
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i have a crash dump for this now if anyone is interested. it's not
exactly the same trace as it seems to originate from a VOP_LINK request
this time but i guess it's the same problem.
On 06.10-16:02, n0g0013 wrote:
> On 05.10-22:16, n0g0013 wrote:
> > don't currently have the kernel trace for this (i'm rebuilding to get
> > one) and the dump's not making it to disk. perhaps someone else could
> > try and verify in the mean time.
>
> don't know if this is related to Mikhail Teterin's post a few hours ago
> but i have the ddb trace. it may not be exactly accurate because i don't
> have a serial ddb and therefore have to copy the output from the screen.
>
> +++ ddb output from kernel panic +++
> panic: kmem_malloc(4096): kmem_map too small: 23134208 total allocated
> Debugger("panic")
> Stopped at Debugger+0q45: xchgl %ebx,in_Debugger.0
> db> trace
> Debugger(c02cd335) at Debugger+0x45
> panic(c02e1402,1000,1610000,10012,1000) at panic+0x9f
> kmem_malloc(c0432078,1000,4,c49b47cc,c02759a8) at kmem_malloc+0xcc
> page_alloc(c05ac500,1000,c49b47bf,4,0) at page_alloc+0x1a
> slab_zalloc(c05ac500,4,c0daba00,c05ac5e8,c05ac500) at slab_zalloc+0x108
> uma_zalloc_internal(c05ac500,0,4,c0daba00) at uma_zalloc_internal+0x13c
> uma_zalloc_arg(c05ac500,0,4) at uma_zalloc_arg+0x2f4
> getnewvnode(c02e070e,c0f4c000,c0dc1100,c49b48b8,90) at getnewvnode+0x3e9
> ffs_vget(c0f4c000,486,2,c49b491c,1) at ffs_vget+0x71
> ffs_valloc(c1153378,8180,c0f98780,c49b491c) at ffs_valloc+0xed
> ufs_makeinode(8180,c1153378,c49b4bf8,c49b4c0c) at ufs_makeinode+0x5b
> ufs_create(c49b4a70,c49b4a90,c01df957,c49b4a70,c02f1260) at ufs_create+0x2b
> ufs_vnoperate(c49b3a70) at ufs_vnoperate+0x13
> VOP_CREATE(c1153378,c49b4bf8,c49b4c0c,c49b4ad4,229) at VOP_CREATE+0x37
> vn_open_cred(c49b4be4,c49b4ce4,180,c0f98780,c49b4cd0) at vn_open_cred+0x154
> vn_open(c49b4be4,c49b4ce4,180,c1bec3b0,c0de7b04) at vn_open+0x18
> kern_open(c05b0680,80ad0c1,0,602,1b6) at kern_open+0x18b
> open(c05b0680,c49b4d14,3,a83,292) at open+0x18
> syscall(2f,2f,2f,80ad0c1,0) at syscall+0x24a
> Xint0x80_syscall() at Xint0x80_syscall+0x1d
> --- syscall (5, FreeBSD ELF32, open), eip = 0x08053a43, esp = 0xbfbff73c, ebp = 0xbfbff778 ---
> db>
> --- ddb output from kernel panic ---
>
> * that's no fun *
>
> config is identical to before with a kernel rebuild from same sources
> ( some time last night ). the error i was orginally seeing (over the
> last week or so) seemed to appear in the vinum_devstrategy but since
> the various vinum changes it appears to have migrated.
>
> --
> t
> t
> z
> Date: Sat, 5 Oct 2002 22:16:10 +0100
> Subject: kernel panic from vinum during 'restore'
> From: n0g0013 <ttz@bLaHDeBlAh.dEMoN.cO.uK>
> To: current <freebsd-current@freebsd.org>
>
> got panic from vinum on a small striped drive with small dump/restores
> -- dump of usr fs to file and restore to vinum volume. dump file is
> about 120m.
>
> kernel built from about -0230 sources but i've been seeing them since
> first switched current on about 2 weeks ago.
>
> don't currently have the kernel trace for this (i'm rebuilding to get
> one) and the dump's not making it to disk. perhaps someone else could
> try and verify in the mean time.
>
> +++ kernel panic message +++
> panic: kmem_malloc(4096): kmem_map to small: 23179264 total allocated
>
> syncing disks... panic: allocbuf: buffer not busy
> Uptime: 18m12s
> Dumping 48 MB
> ata1: resetting devices ..
> panic: free locked buf
> Uptime: 18m12s
> Automatice Reboot in 15 seconds - press a key on the console to abort
> --- kernel panic message ---
>
> +++ vinum config +++
> # Vinum configuration of eyore.blahdeblah.demon.co.uk, saved at Sat Oct 5 22:02:24 2002
> drive snub device /dev/ad0s1h
> drive junk device /dev/ad2s1h
> volume var
> volume usr
> volume home
> volume software
> plex name var.plex0 org striped 534s vol var
> plex name usr.plex0 org striped 534s vol usr
> plex name home.plex0 org striped 534s vol home
> plex name software.plex0 org striped 534s vol software
> sd name snub.s0 drive snub plex var.plex0 len 163404s driveoffset 265s plexoffset 0s
> sd name junk.s0 drive junk plex var.plex0 len 163404s driveoffset 265s plexoffset 534s
> sd name snub.s1 drive snub plex usr.plex0 len 614100s driveoffset 164105s plexoffset 0s
> sd name junk.s1 drive junk plex usr.plex0 len 614100s driveoffset 164105s plexoffset 534s
> sd name snub.s2 drive snub plex home.plex0 len 409578s driveoffset 778505s plexoffset 0s
> sd name junk.s2 drive junk plex home.plex0 len 409578s driveoffset 778505s plexoffset 534s
> sd name snub.s3 drive snub plex software.plex0 len 1638312s driveoffset 1188083s plexoffset 0s
> sd name junk.s3 drive junk plex software.plex0 len 1638312s driveoffset 1188083s plexoffset 534s
> --- vinum config ---
>
> --
> t
> t
> z
--
t
t
z
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