[Bug 282536] Re: LIBATA with PATA_VIA causes ATAPI PATA devices to hang with HPET enabled

[rok]

Very similar problem with 10.04, linux-2.6.32-22-generic

lspci:
00:00.0 Host bridge: VIA Technologies, Inc. PT880 Ultra/PT894 Host Bridge
00:00.1 Host bridge: VIA Technologies, Inc. PT894 Host Bridge
00:00.2 Host bridge: VIA Technologies, Inc. PT894 Host Bridge
00:00.3 Host bridge: VIA Technologies, Inc. PT890 Host Bridge
00:00.4 Host bridge: VIA Technologies, Inc. PT894 Host Bridge
00:00.5 PIC: VIA Technologies, Inc. PT894 I/O APIC Interrupt Controller
00:00.7 Host bridge: VIA Technologies, Inc. PT894 Host Bridge
00:01.0 PCI bridge: VIA Technologies, Inc. VT8237/VX700 PCI Bridge
00:02.0 PCI bridge: VIA Technologies, Inc. PT890 PCI to PCI Bridge Controller
00:0a.0 Serial controller: NetMos Technology PCI 9845 Multi-I/O Controller (rev 01)
00:0b.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
00:0b.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
00:0c.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
00:0f.0 IDE interface: VIA Technologies, Inc. VIA VT6420 SATA RAID Controller (rev 80)
00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.3 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 81)
00:10.4 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 86)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8237 ISA bridge [KT600/K8T800/K8T890 South]
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 60)
02:00.0 VGA compatible controller: nVidia Corporation NV43 [GeForce 6600 GT] (rev a2)

dmesg:
[  481.040053] ata3: lost interrupt (Status 0x50)
[  512.040043] ata3: lost interrupt (Status 0x50)
[  520.040048] ata3: lost interrupt (Status 0x58)
[  520.040087] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  520.040095] sr 2:0:0:0: CDB: Get event status notification: 4a 01 00 00 10 00 00 00 08 00
[  520.040113] ata3.00: cmd a0/00:00:00:08:00/00:00:00:00:00/a0 tag 0 pio 16392 in
[  520.040114]          res 58/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x6 (timeout)
[  520.040118] ata3.00: status: { DRDY DRQ }
[  520.040144] ata3: soft resetting link
[  520.260281] ata3.00: configured for UDMA/66

-- 
LIBATA with  PATA_VIA causes ATAPI  PATA devices to hang with HPET enabled
https://bugs.launchpad.net/bugs/282536
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