Jacek Luczak pisze: > Robert Hancock pisze: >> Jacek Luczak wrote: >>> Robert Hancock pisze: >>>> Jacek Luczak wrote: >>>>> Rafael J. Wysocki pisze: >>>>>> On Sunday, 4 of May 2008, Zdenek Kabelac wrote: >>>>>>> Hello >>>>>> Hi, >>>>>> >>>>>>> With recent 2.6.25 & 2.6.26-rc1 git (around 1 week) I get >>>>>>> occasionally >>>>>>> complete freeze of my T61 during suspend. (dual core, 2GB). >>>>>> How reproducible is this? >>>>>> >>>>>>> I'm running kernel with no_console_suspend - but all I can see is >>>>>>> blinking cursor on an empty screen - thus even when I run kernel with >>>>>>> most debug options turned on, I can't pass more details so far. I >>>>>>> run >>>>>>> suspend with with SD card in - so maybe some update in the MMC driver >>>>>>> might be responsible for this ? >>>>>>> >>>>>>> Also - I think that option no_console_suspend doens't work >>>>>>> correctly - >>>>>>> as many times with suspend I do not see any log message on my console >>>>>>> screen. However sometimes the log is shown. >>>>>> It would be helpful if you could verify if: >>>>>> >>>>>> (1) The problem occurs without no_console_suspend. >>>>>> (2) The problem occurs without the SD card. >>>>>> >>>>> Hi Rafael, >>>>> >>>>> same problem here, although I was able to resume system (it's >>>>> basically Intel >>>>> machine) , but it was unusable - I was able to switch between >>>>> terminals and see >>>>> output from kernel. So there was: >>>>> - Disabling irq #19; >>>>> - some kind of lock spinning on disk: >>>>> IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) Serial ATA >>>>> Storage >>>>> Controller IDE (rev 02) >>>>> but I can't provide more output of that lock now - no sign in logs. >>>>> >>>>> I've made some successful suspend/resume all without sound card active >>>>> without >>>>> problem. Those appear with sound card active, but I must take closer >>>>> look - will >>>>> send info later. >>>> Can you post your dmesg and /proc/interrupts output from normal bootup ? >>> Sure I can ;) >>> >>> 1) /proc/interrupts >>> >>> CPU0 CPU1 >>> 0: 11846981 0 IO-APIC-edge timer >>> 1: 30098 0 IO-APIC-edge i8042 >>> 8: 3 0 IO-APIC-edge rtc >>> 9: 13 0 IO-APIC-fasteoi acpi >>> 12: 1776540 0 IO-APIC-edge i8042 >>> 14: 39 0 IO-APIC-edge ata_piix >>> 15: 0 0 IO-APIC-edge ata_piix >>> 16: 54570 44642 IO-APIC-fasteoi i915@pci:0000:00:02.0 >>> 17: 0 0 IO-APIC-fasteoi uhci_hcd:usb3 >>> 18: 0 0 IO-APIC-fasteoi uhci_hcd:usb4 >>> 19: 98243 0 IO-APIC-fasteoi ata_piix, uhci_hcd:usb5 >>> 21: 1650574 0 IO-APIC-fasteoi HDA Intel >>> 23: 0 0 IO-APIC-fasteoi ehci_hcd:usb1, >>> uhci_hcd:usb2 >>> 220: 14263 0 PCI-MSI-edge iwl3945 >>> 221: 1166041 1333296 PCI-MSI-edge eth0 >>> NMI: 0 0 Non-maskable interrupts >>> LOC: 1104887 7534969 Local timer interrupts >>> RES: 633378 701351 Rescheduling interrupts >>> CAL: 16 28315 function call interrupts >>> TLB: 1721 2620 TLB shootdowns >>> TRM: 0 0 Thermal event interrupts >>> SPU: 0 0 Spurious interrupts >>> ERR: 0 >>> MIS: 0 >>> >>> 2) dmesg can here -> http://212.109.128.251/~difrost/linux-next/dmesg.log >>> 3) Kernel: >>> Linux difrost 2.6.25-07422-gb66e1f1-dirty #14 SMP Fri May 2 22:04:17 >>> CEST 2008 >>> i686 i686 i386 GNU/Linux >>> It's marked dirty because due to http://lkml.org/lkml/2008/5/2/405 >>> patch applied. >>> >>> -Jacek >>> >> Well, if IRQ 19 got disabled, that's your SATA controller, so resume >> likely isn't going to work. Could be a libata problem? CCing linux-ide. > > Yep, I know, that's why I pointed that out. Irq was disabled somehow in suspend > or resume process. > >> BTW, if your BIOS offers an option to enable AHCI on your SATA >> controller then that would be a more optimal configuration (could get >> NCQ support), but that is an aside. > > With AHCI I've got pretty bad timings (and I don't really know why!): > > [root|20:49|~]$ cat sda_ahci_t > > /dev/sda: > Timing cached reads: 1560 MB in 2.00 seconds = 780.51 MB/sec > Timing buffered disk reads: 102 MB in 3.02 seconds = 33.74 MB/sec > [root|20:49|~]$ cat sda_piix_t > > /dev/sda: > Timing cached reads: 1544 MB in 2.00 seconds = 772.35 MB/sec > Timing buffered disk reads: 134 MB in 3.04 seconds = 44.05 MB/sec Here's the latest report (all on latest git): 1) I've switched to AHCI mode and suspend/resume works OK (because SATA controller irq is not disabled). 2) now /proc/interrupts look like that: CPU0 CPU1 0: 110708 0 IO-APIC-edge timer 1: 4008 0 IO-APIC-edge i8042 8: 3 0 IO-APIC-edge rtc 9: 15091 0 IO-APIC-fasteoi acpi 12: 77467 0 IO-APIC-edge i8042 14: 44 0 IO-APIC-edge ata_piix 15: 0 0 IO-APIC-edge ata_piix 16: 0 0 IO-APIC-fasteoi i915@pci:0000:00:02.0 17: 0 0 IO-APIC-fasteoi uhci_hcd:usb3 18: 0 0 IO-APIC-fasteoi uhci_hcd:usb4 19: 100001 0 IO-APIC-fasteoi uhci_hcd:usb5 21: 282 0 IO-APIC-fasteoi HDA Intel 23: 1 0 IO-APIC-fasteoi ehci_hcd:usb1, uhci_hcd:usb2 219: 858 0 PCI-MSI-edge iwl3945 220: 8616 0 PCI-MSI-edge eth0 221: 6423 0 PCI-MSI-edge ahci NMI: 0 0 Non-maskable interrupts LOC: 15777 64510 Local timer interrupts RES: 9045 24560 Rescheduling interrupts CAL: 30 28255 function call interrupts TLB: 341 145 TLB shootdowns TRM: 0 0 Thermal event interrupts SPU: 0 0 Spurious interrupts ERR: 0 MIS: 0 3) The IRQ #19 remains disabled after resume and produce: irq 19: nobody cared (try booting with the "irqpoll" option) Pid: 13, comm: kacpi_notify Not tainted 2.6.26-rc1-07561-gafa26be-dirty #16 [<c013ea27>] __report_bad_irq+0x24/0x69 [<c013ea2e>] __report_bad_irq+0x2b/0x69 [<c013ec25>] note_interrupt+0x1b9/0x210 [<c013e36c>] handle_IRQ_event+0x1a/0x3f [<c013f195>] handle_fasteoi_irq+0x84/0xa2 [<c0104fde>] do_IRQ+0x4f/0x65 [<c01034ff>] common_interrupt+0x23/0x28 [<c013007b>] timekeeping_resume+0x9b/0x127 [<c020b090>] acpi_os_read_port+0x29/0x44 [<c02177c9>] acpi_hw_register_read+0x61/0x119 [<c020f76e>] acpi_ev_fixed_event_detect+0x2a/0xa0 [<c021001a>] acpi_ev_sci_xrupt_handler+0x9/0x17 [<c020b053>] acpi_irq+0xb/0x1f [<c013e36c>] handle_IRQ_event+0x1a/0x3f [<c013f181>] handle_fasteoi_irq+0x70/0xa2 [<c0104fde>] do_IRQ+0x4f/0x65 [<c020b623>] acpi_os_execute_deferred+0x0/0x25 [<c01034ff>] common_interrupt+0x23/0x28 [<c020b623>] acpi_os_execute_deferred+0x0/0x25 [<c020b0b8>] acpi_os_write_port+0xd/0x2c [<c020b640>] acpi_os_execute_deferred+0x1d/0x25 [<c01290fa>] run_workqueue+0x69/0xda [<c0129221>] worker_thread+0xb6/0xc2 [<c012bca6>] autoremove_wake_function+0x0/0x2d [<c012916b>] worker_thread+0x0/0xc2 [<c012ba42>] kthread+0x38/0x5d [<c012ba0a>] kthread+0x0/0x5d [<c010370f>] kernel_thread_helper+0x7/0x10 ======================= handlers: [<c027d100>] (usb_hcd_irq+0x0/0x53) Disabling IRQ #19 This might happen due to "ACPI: EC: GPE storm detected, disabling EC GPE", but here it should revert to polling mode (which is done during boot, but not during resume). I'm not expert here. Full dmesg here -> http://212.109.128.251/~difrost/linux-next/dmesg_ahci.log -Jacek PS: Site note: Why there's such big difference on hdparm timings with PATA and AHCI mode? -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html