Date: Mon, 23 Aug 2004 13:52:37 +0900 From: Jun Kuriyama <kuriyama@imgsrc.co.jp> To: Current <freebsd-current@FreeBSD.org> Subject: panic: g_read_data(): invalid length 0 Message-ID: <7misba8nhm.wl@black.imgsrc.co.jp>
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This is 6-current as of 2004.08.22.23.10.00.
It's fine with previous kernel configuration, but when I added "device
atapicam" and "device cd", kernel is panic. I'm using gstripe(8) with
usual ATA HDDs. If I added "device atapicam" only, this panic does
not happened.
-----
...
GEOM_STRIPE: Device wrkdir created (id=948210174).
GEOM_STRIPE: Disk ad5s1d attached to wrkdir.
GEOM_STRIPE: Disk ad6s1d attached to wrkdir.
GEOM_STRIPE: Device wrkdir activated.
WARNING: Expected rawoffset 0, found 63
SMP: AP CPU #1 Launched!
cd0 at ata1 bus 0 target 0 lun 0
cd0: <TOSHIBA DVD-ROM SD-R1002 1030> Removable CD-ROM SCSI-0 device
cd0: 16.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present
cd1 at ata1 bus 0 target 1 lun 0
cd1: <MATSHITA DVD-RAM LF-D310 A116> Removable CD-ROM SCSI-0 device
cd1: 33.000MB/s transfers
cd1: Attempt to query device size failed: NOT READY, Medium not present
panic: g_read_data(): invalid length 0
cpuid = 1
KDB: enter: panic
[thread 100013]
Stopped at kdb_enter+0x2b: nop
db> trace
kdb_enter(c0689ada) at kdb_enter+0x2b
panic(c0684e9b,0,0,0,c3461900) at panic+0x127
g_read_data(c3923980,0,0,0,0) at g_read_data+0x30
g_stripe_read_metadata(c3923980,e4d3dc80,c3923980,c3461900,c3461800) at g_stripe_read_metadata+0x81
g_stripe_taste(c07e0c00,c3461900,0,c390d280,64) at g_stripe_taste+0xd3
g_new_provider_event(c3461900,0,66666667,e4d3dd04,c04cec59) at g_new_provider_event+0x6e
one_event(e4d3dd1c,c04d0019,3c,28,c34bc8c0) at one_event+0x14f
g_run_events(3c,28,c34bc8c0,c04cffdc,e4d3dd34) at g_run_events+0x9
g_event_procbody(0,e4d3dd48,0,c04cffdc,0) at g_event_procbody+0x3d
fork_exit(c04cffdc,0,e4d3dd48) at fork_exit+0xa4
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xe4d3dd7c, ebp = 0 ---
--
Jun Kuriyama <kuriyama@imgsrc.co.jp> // IMG SRC, Inc.
<kuriyama@FreeBSD.org> // FreeBSD Project
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