Re: [Fwd: hdc: irq timeout: status=0xc0 { Busy }]
On Thu, 2006-10-05 at 17:02 -0700, Jack Bates wrote:
> I continue to experience this problem with 2.6.18-mm3. I am about to try
> building a kernel without ide-cd support. I wonder if anyone else is
> experiencing system hangs on PowerBooks associated with ide-cd?
Could be useful if you:
1- tested 2.6.18 not -mm
2- told me what precise machine model that is
3- sent me a complete dmesg log
4- sent me a tarball of /proc/device-tree
thanks.
Ben.
> Thanks, Jack
> email message attachment, "Forwarded message - system hang: hdc: irq
> timeout: status=0xc0 { Busy }"
> > -------- Forwarded Message --------
> > From: Jack Bates <ms419@freezone.co.uk>
> > To: linux-ide@vger.kernel.org
> > Subject: system hang: hdc: irq timeout: status=0xc0 { Busy }
> > Date: Sun, 17 Sep 2006 21:06:09 -0700
> >
> > Since upgrading to 2.6.18-rc6-mm1 from 2.6.13-rc6-mm2 my system started
> > hanging. I copied the below error from /var/log/messages.
> >
> > When my system hangs, it is unresponsive for about 10 seconds, then
> > responsive for 1 second, unresponsive for 10 seconds, then responsive
> > for 1 second, etc. I need to reboot to use my system again.
> >
> > I am not sleeping or waking, suspending or resuming my system. I am only
> > powering down to recover from this error. It happens roughly every 24
> > hours. I usually wake up to find my system hung, reboot, use it in the
> > morning and again in the evening without problem, but wake to find it
> > hung again next morning.
> >
> > /dev/hdc is my PowerBook's cd/dvd-rom drive. I don't have a disc in the
> > drive when the error occurs, however I've checked the drive and I'm able
> > to read cds.
> >
> > tj recommended using libata/PATA, however I can't find an
> > apple/uninorth/powermac PATA controller config option.
> >
> > Any ideas what is causing this error, why the IDE error handler is
> > getting stuck in a loop, or how to use PATA on my PowerBook?
> >
> > Much thanks - Jack
> >
> > Sep 16 14:21:43 fis kernel: hdc: irq timeout: status=0xc0 { Busy }
> > Sep 16 14:21:43 fis kernel: ide: failed opcode was: unknown
> > Sep 16 14:22:25 fis kernel: hdc: status timeout: status=0xc0 { Busy }
> > Sep 16 14:22:25 fis kernel: ide: failed opcode was: unknown
> > Sep 16 14:22:25 fis kernel: Call Trace:
> > Sep 16 14:22:25 fis kernel: [D95656E0] [C00085A4] show_stack+0x3c/0x194
> > (unreliable)
> > Sep 16 14:22:25 fis kernel: [D9565710] [C005452C] softlockup_tick
> > +0x94/0xc4
> > Sep 16 14:22:25 fis kernel: [D9565730] [C0038554] run_local_timers
> > +0x18/0x28
> > Sep 16 14:22:25 fis kernel: [D9565740] [C0038594] update_process_times
> > +0x30/0x7c
> > Sep 16 14:22:25 fis kernel: [D9565750] [C000D30C] timer_interrupt
> > +0x110/0x584
> > Sep 16 14:22:25 fis kernel: [D95657D0] [C0010A64] ret_from_except
> > +0x0/0x14
> > Sep 16 14:22:30 fis kernel: --- Exception: 901 at ide_mm_inb+0x4/0x14
> > Sep 16 14:22:30 fis kernel: LR = ide_wait_stat+0x144/0x1a0
> > Sep 16 14:22:30 fis kernel: [D9565890] [C0184AA0] elv_next_request
> > +0x70/0x1bc (unreliable)
> > Sep 16 14:22:30 fis kernel: [D95658C0] [C02189E4] ide_do_request
> > +0x3f0/0xbc0
> > Sep 16 14:22:30 fis kernel: [D9565940] [C0184CF8] elv_insert+0x10c/0x1f4
> > Sep 16 14:22:30 fis kernel: [D9565960] [C0219288] ide_do_drive_cmd
> > +0xd4/0x12c
> > Sep 16 14:22:30 fis kernel: [D9565990] [C0228CB0]
> > cdrom_queue_packet_command+0x48/0xe8
> > Sep 16 14:22:30 fis kernel: [D95659F0] [C0228FA4] cdrom_check_status
> > +0x70/0x84
> > Sep 16 14:22:30 fis kernel: [D9565AD0] [C022A3F0] cdrom_read_toc
> > +0x3c/0x4a4
> > Sep 16 14:22:30 fis kernel: [D9565B20] [C022B538] idecd_revalidate_disk
> > +0x1c/0x30
> > Sep 16 14:22:30 fis kernel: [D9565B70] [C00A56C0] check_disk_change
> > +0x80/0xc8
> > Sep 16 14:22:30 fis kernel: [D9565B90] [C0265C20] cdrom_open+0x1ac/0xadc
> > Sep 16 14:22:30 fis kernel: [D9565D20] [C0229CAC] idecd_open+0x80/0xf4
> > Sep 16 14:22:30 fis kernel: [D9565D40] [C00A5F84] do_open+0x8c/0x3ec
> > Sep 16 14:22:30 fis kernel: [D9565E80] [C00A651C] blkdev_open+0x34/0x94
> > Sep 16 14:22:30 fis kernel: [D9565EA0] [C0078860] __dentry_open
> > +0xcc/0x254
> > Sep 16 14:22:30 fis kernel: [D9565EC0] [C0078B2C] do_filp_open+0x5c/0x78
> > Sep 16 14:22:30 fis kernel: [D9565F20] [C0078BA0] do_sys_open+0x58/0xf8
> > Sep 16 14:22:30 fis kernel: [D9565F40] [C00103BC] ret_from_syscall
> > +0x0/0x38
> > Sep 16 14:22:30 fis kernel: --- Exception: c01 at 0xfed6c8c
> > Sep 16 14:22:30 fis kernel: LR = 0xff68f54
> > Sep 16 14:22:30 fis kernel: hdc: status timeout: status=0xc0 { Busy }
> > Sep 16 14:22:30 fis kernel: ide: failed opcode was: unknown
> > Sep 16 14:22:30 fis kernel: hdc: status timeout: status=0xc0 { Busy }
> > Sep 16 14:22:30 fis kernel: ide: failed opcode was: unknown
> > Sep 16 14:22:30 fis kernel: hdc: status timeout: status=0xc0 { Busy }
> > Sep 16 14:22:30 fis kernel: ide: failed opcode was: unknown
> > [...]
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