Re: BUG: Null pointer dereference in fs/open.c

2007-04-25 Thread Jens Axboe
On Thu, Apr 26 2007, William Heimbigner wrote: > On Wed, 25 Apr 2007, Andrew Morton wrote: > >On Wed, 25 Apr 2007 22:53:00 + (GMT) William Heimbigner > ><[EMAIL PROTECTED]> wrote: > > > >>On Wed, 25 Apr 2007, Andrew Morton wrote: > >> > >>>OK. I am able to use the pktcdvd driver OK in mainlin

Re: BUG: Null pointer dereference in fs/open.c

2007-04-25 Thread Jens Axboe
On Wed, Apr 25 2007, Andrew Morton wrote: > > # pktsetup 2 /dev/sr0 > > [19982.934793] drivers/scsi/scsi_lib.c:838: setting error to 134217730 > > [19982.941070] [] show_trace_log_lvl+0x1a/0x30 > > [19982.946256] [] show_trace+0x12/0x20 > > [19982.950744] [] dump_stack+0x16/0x20 > > [19982.95523

Re: BUG: Null pointer dereference in fs/open.c

2007-04-25 Thread William Heimbigner
On Wed, 25 Apr 2007, Andrew Morton wrote: On Wed, 25 Apr 2007 22:53:00 + (GMT) William Heimbigner <[EMAIL PROTECTED]> wrote: On Wed, 25 Apr 2007, Andrew Morton wrote: OK. I am able to use the pktcdvd driver OK in mainline with a piix/sata drive. It could be that something is going wron

Re: BUG: Null pointer dereference in fs/open.c

2007-04-25 Thread Andrew Morton
On Wed, 25 Apr 2007 22:53:00 + (GMT) William Heimbigner <[EMAIL PROTECTED]> wrote: > On Wed, 25 Apr 2007, Andrew Morton wrote: > > > OK. I am able to use the pktcdvd driver OK in mainline with a piix/sata > > drive. It could be that something is going wrong at the IDE level for you. > Perh

Re: BUG: Null pointer dereference in fs/open.c

2007-04-25 Thread Andrew Morton
On Tue, 24 Apr 2007 05:44:42 + (GMT) William Heimbigner <[EMAIL PROTECTED]> wrote: > On Mon, 23 Apr 2007, Andrew Morton wrote: > > On Tue, 24 Apr 2007 05:10:04 + (GMT) William Heimbigner <[EMAIL > > PROTECTED]> wrote: > > > >>> --- a/drivers/block/pktcdvd.c~packet-fix-error-handling > >>

Re: BUG: Null pointer dereference in fs/open.c

2007-04-24 Thread Peter Osterlund
On Mon, 23 Apr 2007, Andrew Morton wrote: Try this: --- a/drivers/block/pktcdvd.c~packet-fix-error-handling +++ a/drivers/block/pktcdvd.c @@ -777,7 +777,8 @@ static int pkt_generic_packet(struct pkt rq->cmd_flags |= REQ_QUIET; blk_execute_rq(rq->q, pd->bdev->bd_disk, rq

Re: BUG: Null pointer dereference in fs/open.c

2007-04-23 Thread Andrew Morton
On Tue, 24 Apr 2007 05:44:42 + (GMT) William Heimbigner <[EMAIL PROTECTED]> wrote: > On Mon, 23 Apr 2007, Andrew Morton wrote: > > On Tue, 24 Apr 2007 05:10:04 + (GMT) William Heimbigner <[EMAIL > > PROTECTED]> wrote: > > > >>> --- a/drivers/block/pktcdvd.c~packet-fix-error-handling > >>

Re: BUG: Null pointer dereference in fs/open.c

2007-04-23 Thread William Heimbigner
On Mon, 23 Apr 2007, Andrew Morton wrote: On Tue, 24 Apr 2007 05:10:04 + (GMT) William Heimbigner <[EMAIL PROTECTED]> wrote: --- a/drivers/block/pktcdvd.c~packet-fix-error-handling +++ a/drivers/block/pktcdvd.c @@ -777,7 +777,8 @@ static int pkt_generic_packet(struct pkt rq

Re: BUG: Null pointer dereference in fs/open.c

2007-04-23 Thread Andrew Morton
On Tue, 24 Apr 2007 05:10:04 + (GMT) William Heimbigner <[EMAIL PROTECTED]> wrote: > > --- a/drivers/block/pktcdvd.c~packet-fix-error-handling > > +++ a/drivers/block/pktcdvd.c > > @@ -777,7 +777,8 @@ static int pkt_generic_packet(struct pkt > > rq->cmd_flags |= REQ_QUIET; > > > >

Re: BUG: Null pointer dereference in fs/open.c

2007-04-23 Thread William Heimbigner
On Mon, 23 Apr 2007, Andrew Morton wrote: On Tue, 24 Apr 2007 04:09:18 + (GMT) William Heimbigner <[EMAIL PROTECTED]> wrote: This bug occurs in linux-2.6.20 and 2.6.21-rc7-git5, and does not occur in linux-2.6.19-git22. After running "pktsetup 0 /dev/hdd", I get (timestamps removed): pkt

Re: BUG: Null pointer dereference in fs/open.c

2007-04-23 Thread William Heimbigner
This bug occurs in linux-2.6.20 and 2.6.21-rc7-git5, and does not occur in linux-2.6.19-git22. After running "pktsetup 0 /dev/hdd", I get (timestamps removed): pktcdvd: pkt_get_last_written failed BUG: unable to handle kernel NULL pointer dereference at virtual address 000e printing eip: c