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Message-ID: <47FE5B96.9090207@linux.vnet.ibm.com> Date: Thu, 10 Apr 2008 23:55:26 +0530 From: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> To: Bartlomiej Zolnierkiewicz <bzolnier@...il.com> CC: Stephen Rothwell <sfr@...b.auug.org.au>, linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, Andy Whitcroft <apw@...dowen.org> Subject: Re: [BUG] linux-next: Tree for April 10 - kernel panic while loading ata driver on powermac Bartlomiej Zolnierkiewicz wrote: > On Thursday 10 April 2008, Bartlomiej Zolnierkiewicz wrote: >> Hi, >> >> On Thu, Apr 10, 2008 at 12:24 PM, Kamalesh Babulal >> <kamalesh@...ux.vnet.ibm.com> wrote: >>> Hi Stephen, >>> >>> The next-20080410 kernel panics while bootup over the PowerMac G5 box, while >>> loading the ATA driver. >>> >>> [ 3.704000] Faulting instruction address: 0xc0000000000222a8 >>> [ 3.704000] Oops: Kernel access of bad area, sig: 11 [#1] >>> [ 3.704000] SMP NR_CPUS=32 NUMA PowerMac >>> [ 3.704000] Modules linked in: >>> [ 3.704000] NIP: c0000000000222a8 LR: c00000000021cd10 CTR: 0000000000000100 >>> [ 3.704000] REGS: c0000002760db070 TRAP: 0300 Not tainted (2.6.25-rc8-next-20080410-autokern1) >>> [ 3.704000] MSR: 9000000000009032 <EE,ME,IR,DR> CR: 44000042 XER: 20000000 >>> [ 3.704000] DAR: a0001000822fa000, DSISR: 0000000040000000 >>> [ 3.704000] TASK = c0000002760d7100[1] 'swapper' THREAD: c0000002760d8000 CPU: 0 >>> [ 3.704000] GPR00: 0000000000000100 c0000002760db2f0 c000000000498310 a0001000822fa000 >>> [ 3.704000] GPR04: c000000274806a00 0000000000000100 0000000000000201 c00000000000fed4 >>> [ 3.704000] GPR08: c0000002760daf20 c0000000003ee0d8 c0000000004f1428 0000000000000000 >>> [ 3.704000] GPR12: 0000000000000000 c0000000003fa700 0000000000000000 0000000000000000 >>> [ 3.704000] GPR16: 0000000000000000 0000000000000000 0000000000000000 0000000000000000 >>> [ 3.704000] GPR20: 0000000000000001 0000000000000027 0000000000000027 0000000000000000 >>> [ 3.704000] GPR24: c0000000004f1400 0000000000000000 0000000000000201 c0000000004f1490 >>> [ 3.704000] GPR28: a0001000822fa000 0000000000000200 c00000000044cf50 c000000274806a00 >>> [ 3.704000] NIP [c0000000000222a8] ._insw_ns+0x10/0x30 >>> [ 3.704000] LR [c00000000021cd10] .ata_input_data+0x1f4/0x264 >> Could you please add printk() for 'hwif->host_flags', 'mmio' and 'io_32bit' >> to ide-iops.c::ata_input_data() so we know more on what is going on? > > No longer needed - please test the hot-fix below instead: > > --- > thanks to Andrew for noticing me about the gcc warning > > drivers/ide/ppc/pmac.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > Index: b/drivers/ide/ppc/pmac.c > =================================================================== > --- a/drivers/ide/ppc/pmac.c > +++ b/drivers/ide/ppc/pmac.c > @@ -941,7 +941,7 @@ static const struct ide_port_info pmac_p > .port_ops = &pmac_ide_port_ops, > .host_flags = IDE_HFLAG_SET_PIO_MODE_KEEP_DMA | > IDE_HFLAG_POST_SET_MODE | > - IDE_HFLAG_UNMASK_IRQS, > + IDE_HFLAG_UNMASK_IRQS | > IDE_HFLAG_MMIO, > .pio_mask = ATA_PIO4, > .mwdma_mask = ATA_MWDMA2, > > -- Thanks, the kernel panic is solved after applying the patch. Tested-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com> -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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