Messages in this thread | | | Subject | RE: Out of Memory: Killed process 16498 (java). | Date | Mon, 23 Jan 2006 10:03:30 -0000 | From | "Andy Chittenden" <> |
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> There's your problem, apparently both of these queues is > being set to a > limit lower than blk_max_low_pfn which means the block layer > will revert > to the isa dma bounce zone for that queue... There's room for > improvement in the logic that chooses what zone to allocate > from.
So I presume that requires a source fix. Or can it be configured out?
-- Andy, BlueArc Engineering
> -----Original Message----- > From: Jens Axboe [mailto:axboe@suse.de] > Sent: 23 January 2006 09:28 > To: Andy Chittenden > Cc: Andrew Morton; davej@redhat.com; > linux-kernel@vger.kernel.org; lwoodman@redhat.com > Subject: Re: Out of Memory: Killed process 16498 (java). > > On Sat, Jan 21 2006, Andy Chittenden wrote: > > ok - here is the complete dmesg as of today: > > > > ksize > > usbmon: debugfs is not available > > mice: PS/2 mouse device common for all mice > > NET: Registered protocol family 2 > > IP route cache hash table entries: 131072 (order: 8, 1048576 bytes) > > TCP established hash table entries: 524288 (order: 10, > 4194304 bytes) > > TCP bind hash table entries: 65536 (order: 7, 524288 bytes) > > TCP: Hash tables configured (established 524288 bind 65536) > > TCP reno registered > > TCP bic registered > > NET: Registered protocol family 1 > > NET: Registered protocol family 17 > > NET: Registered protocol family 8 > > NET: Registered protocol family 20 > > ACPI wakeup devices: > > PCI0 PS2K PS2M UAR2 UAR1 AC97 USB1 USB2 USB3 USB4 EHCI PWRB SLPB > > ACPI: (supports S0 S1 S3 S4 S5) > > Freeing unused kernel memory: 148k freed > > Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 > > ide: Assuming 33MHz system bus speed for PIO modes; > override with idebus=xx > > input: AT Translated Set 2 keyboard as /class/input/input0 > > VP_IDE: IDE controller at PCI slot 0000:00:0f.1 > > GSI 17 sharing vector 0xB1 and IRQ 17 > > ACPI: PCI Interrupt 0000:00:0f.1[A] -> GSI 20 (level, low) -> IRQ 17 > > PCI: Via IRQ fixup for 0000:00:0f.1, from 255 to 1 > > VP_IDE: chipset revision 6 > > VP_IDE: not 100% native mode: will probe irqs later > > VP_IDE: VIA vt8237 (rev 00) IDE UDMA133 controller on > pci0000:00:0f.1 > > ide0: BM-DMA at 0xfc00-0xfc07, BIOS settings: hda:DMA, hdb:DMA > > ide1: BM-DMA at 0xfc08-0xfc0f, BIOS settings: hdc:DMA, hdd:pio > > Probing IDE interface ide0... > > hda: HDS722525VLAT80, ATA DISK drive > > hdb: Maxtor 6Y200P0, ATA DISK drive > > bounce: queue ffff81013fa312d8, setting pfn 1310720, max_low 1310720 > > bounce: queue ffff81013fa312d8, setting pfn 1048575, max_low 1310720 > > isa bounce pool size: 16 pages > > bounce: queue ffff81013fa31048, setting pfn 1310720, max_low 1310720 > > bounce: queue ffff81013fa31048, setting pfn 1048575, max_low 1310720 > > There's your problem, apparently both of these queues is > being set to a > limit lower than blk_max_low_pfn which means the block layer > will revert > to the isa dma bounce zone for that queue... There's room for > improvement in the logic that chooses what zone to allocate > from. It's a > little problematic since there are two reasons why you would have to > bounce: the hardware cannot support a "high" address, _or_ the driver > cannot support a highmem page. The latter can be fixed, the former is > given of course. > > So choosing the gfp mask is a composite of whether the machine has > highmem and the hardware/driver capabilities. > > -- > Jens Axboe > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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