Date: Sun, 4 Jul 2010 17:32:25 +0200 From: David Naylor <naylor.b.david@gmail.com> To: freebsd-current@freebsd.org, kde-freebsd@kde.org Subject: k3b causing kernel panic Message-ID: <201007041732.29585.naylor.b.david@gmail.com>
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Hi,
K3b is causing FreeBSD to panic with a recent amd64 custom kernel from=20
current. The kernel is from ~ 1 July) and does include the changes from=20
r209590. Some of the changes I made include:
options ATA_CAM
and I have one DVD-RW installed:
# dmesg | grep 'cd[0-9]'
cd0 at ata0 bus 0 scbus0 target 0 lun 0
cd0: <ASUS DRW-1814BL 1.13> Removable CD-ROM SCSI-0 device=20
cd0: 66.700MB/s transfers (UDMA4, ATAPI 12bytes, PIO 65534bytes)
cd0: Attempt to query device size failed: NOT READY, Medium not present - t=
ray=20
closed
The backtrace from the panic:
=46atal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address =3D 0x7fffffffca10
fault code =3D supervisor write data, page not present
instruction pointer =3D 0x20:0xffffffff801deffb
stack pointer =3D 0x28:0xffffff80ae07ab00
frame pointer =3D 0x28:0xffffff80ae07ab30
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 12 (irq14: ata0)
[ thread pid 12 tid 100039 ]
Stopped at ata_pio_read+0x10a: repe insw %dx,%es:(%rdi)
db> bt
Tracing pid 12 tid 100039 td 0xffffff0002a013d0
ata_pio_read() at ata_pio_read+0x10a
ata_end_transaction() at ata_end_transaction+0x45f
ata_interrupt_locked() at ata_interrupt_locked+0x54
ata_interrupt() at ata_interrupt+0x34
intr_event_execute_handlers() at intr_event_execute_handlers+0xf9
ithread_loop() at ithread_loop+0x8e
fork_exit() at fork_exit+0x118
fork_trampoline() at fork_trampoline+0xe
=2D-- trap 0, rip =3D 0, rsp =3D 0xffffff80ae07ad30, rbp =3D 0 ---
Is there anything I can do to assist diagnostics?
Regards,
David
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