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Message-ID: <453DC2A9.8000507@sw.ru>
Date: Tue, 24 Oct 2006 11:37:13 +0400
From: Vasily Averin <vvs@...ru>
To: Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
Jeff Garzik <jgarzik@...ox.com>,
Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@...a.pw.edu.pl>,
linux-ide@...r.kernel.org, devel@...nvz.org
Subject: [Q] ide cdrom in native mode leads to irq storm?
there is node with Intel 7520-based motherboard (MSI-9136), IDE cdrom (hda) and
SATA disc and 2.6.19-rc3 linux kernel.
When I set IDE controller into the native mode, I get irq storm on the node and
this interrupt is disabled. If this interrupt is shared, the other subsystems
are stop working too.
When I switch the IDE controller into legacy mode, all works correctly.
I've tried to use noapic, acpi=off, pci=routeirq, irqpoll options but it does
not help.
This issue is reproduced on the old kernels (2.6.15-1.2054_FC5smp and latest
RHEL4 kernel) too.
Is it probably a known issue and is there any work-around?
thank you,
Vasily Averin
bootlogs, /proc/interrupts and lspci are below:
Linux version 2.6.19-rc3 (vvs@...p0-157) (gcc version 3.3.5 20050117
(prerelease) (SUSE Linux)) #1 SMP Tue Oct 24 11:02:23 MSD 2006
...
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ICH5: IDE controller at PCI slot 0000:00:1f.1
ACPI: PCI Interrupt 0000:00:1f.1[A] -> GSI 18 (level, low) -> IRQ 17
ICH5: chipset revision 2
ICH5: 100% native mode on irq 17
ide0: BM-DMA at 0x1460-0x1467, BIOS settings: hda:DMA, hdb:pio
ide1: BM-DMA at 0x1468-0x146f, BIOS settings: hdc:pio, hdd:pio
Probing IDE interface ide0...
hda: ATAPI-CD ROM-DRIVE-52MAX, ATAPI CD/DVD-ROM drive
ide0 at 0x1490-0x1497,0x1486 on irq 17
Probing IDE interface ide1...
Probing IDE interface ide1...
...
libata version 2.00 loaded.
ata_piix 0000:00:1f.2: version 2.00ac6
ata_piix 0000:00:1f.2: MAP [ P1 -- P0 -- ]
ACPI: PCI Interrupt 0000:00:1f.2[A] -> GSI 18 (level, low) -> IRQ 17
PCI: Setting latency timer of device 0000:00:1f.2 to 64
ata1: SATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x1470 irq 14
ata2: SATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0x1478 irq 15
scsi0 : ata_piix
ata1.00: ATA-7, max UDMA/133, 156301488 sectors: LBA48 NCQ (depth 0/32)
ata1.00: ata1: dev 0 multi count 16
ata1.00: configured for UDMA/133
scsi1 : ata_piix
ATA: abnormal status 0x7F on port 0x177
scsi 0:0:0:0: Direct-Access ATA ST380811AS 3.AA PQ: 0 ANSI: 5
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: drive cache: write back
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: drive cache: write back
sda: sda1 sda2 sda3 sda4 < sda5 >
sd 0:0:0:0: Attached scsi disk sda
...
irq 17: nobody cared (try booting with the "irqpoll" option)
[<c0145eea>] __report_bad_irq+0x2a/0xa0
[<c014602f>] note_interrupt+0xaf/0xe0
[<c0146888>] handle_fasteoi_irq+0xc8/0xe0
[<c01059f9>] do_IRQ+0x69/0xd0
[<c0103ace>] common_interrupt+0x1a/0x20
=======================
handlers:
[<c02b30c0>] (ide_intr+0x0/0x170)
Disabling IRQ #17
...
hda: lost interrupt
ide-cd: cmd 0x3 timed out
hda: lost interrupt
ide-cd: cmd 0x3 timed out
...
hda: lost interrupt
ide-cd: cmd 0x1e timed out
hda: lost interrupt
# cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 15923 15011 22615 15936 IO-APIC-edge timer
1: 0 0 0 8 IO-APIC-edge i8042
6: 3 0 0 1 IO-APIC-edge floppy
8: 0 0 0 1 IO-APIC-edge rtc
9: 0 0 0 0 IO-APIC-fasteoi acpi
12: 99 0 0 6 IO-APIC-edge i8042
14: 3432 69 295 19 IO-APIC-edge libata
15: 0 0 0 0 IO-APIC-edge libata
17: 99999 0 0 1 IO-APIC-fasteoi ide0
18: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb2
19: 8429 0 0 1 IO-APIC-fasteoi eth0
21: 0 0 0 0 IO-APIC-fasteoi uhci_hcd:usb1
22: 0 0 0 0 IO-APIC-fasteoi ehci_hcd:usb3
NMI: 0 0 0 0
LOC: 69336 69336 69338 69329
ERR: 0
MIS: 0
# lspci -vn
...
00:1f.0 0601: 8086:25a1 (rev 02)
Flags: bus master, medium devsel, latency 0
00:1f.1 0101: 8086:25a2 (rev 02) (prog-if 8f)
Subsystem: 8086:24d0
Flags: bus master, medium devsel, latency 0, IRQ 17
I/O ports at 1490 [size=8]
I/O ports at 1484 [size=4]
I/O ports at 1488 [size=8]
I/O ports at 1480 [size=4]
I/O ports at 1460 [size=16]
Memory at d0001800 (32-bit, non-prefetchable) [size=1K]
00:1f.2 0101: 8086:25a3 (rev 02) (prog-if 8a)
Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 17
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at 1470 [size=16]
00:1f.3 0c05: 8086:25a4 (rev 02)
Subsystem: 8086:24d0
Flags: medium devsel, IRQ 16
I/O ports at 1440 [size=32]
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