> At first glance there's nothing wrong. But looking more closely, it's > obvious that the time values are extremely peculiar. > > For example, look at the time difference between the "start" line and > the "uses_new_polling" line. Those are practically adjacent in your > code, right? How could there possibly be a gap of 50 ms between the > two? Your CPU isn't running at a clock speed of 0.1 MHz, is it? > Could something be monopolizing the PCI or memory bus beyond all > reasonable bounds? I removed my debugging printks, leaving just the patch applied, and retried. First time it hung in pata_ali startup again. Second time it got to the ohci code and hung there: INIT: version 2.86 booting [ 189.928665] stty used greatest stack depth: 7168 bytes left [ 190.257075] sed used greatest stack depth: 6848 bytes left [ 190.807869] mount used greatest stack depth: 6064 bytes left [ 191.776332] create_static_n used greatest stack depth: 256 bytes left Starting the hotplug events dispatcher: udevd. Synthesizing the initial hotplug events...[ 193.942211] Linux Tulip driver version 1.1.15-NAPI (Feb 27, 2007) [ 194.025772] tulip0: Old style EEPROM with no media selection information. [ 194.115454] tulip0: MII transceiver #1 config 1000 status 782d advertising 01e1. [ 194.224245] eth0: Davicom DM9102/DM9102A rev 49 at MMIO 0x1ff00000000, EEPROM not present, 00:03:ba:11:b3:71, IRQ 9. [ 194.366338] tulip1: Old style EEPROM with no media selection information. [ 194.455951] tulip1: MII transceiver #1 config 1000 status 7809 advertising 01e1. [ 194.564896] eth1: Davicom DM9102/DM9102A rev 49 at MMIO 0x1ff00002000, EEPROM not present, 00:03:ba:11:b3:72, IRQ 10. [ 194.976710] usbcore: registered new interface driver usbfs [ 195.049993] usbcore: registered new interface driver hub done. Waiting for /dev to be fully populated...[ 195.775399] usbcore: registered new device driver usb [ 195.947472] ohci_hcd: 2006 August 04 USB 1.1 'Open' Host Controller (OHCI) Driver [ 196.045977] ohci_hcd: block sizes: ed 80 td 96 [ 196.104943] PCI: Enabling device: (0000:00:0a.0), cmd 2 [ 196.173726] ohci_hcd 0000:00:0a.0: OHCI Host Controller [ 196.244556] drivers/usb/core/inode.c: creating file 'devices' [ 196.320447] drivers/usb/core/inode.c: creating file '001' [ 196.391873] ohci_hcd 0000:00:0a.0: new USB bus registered, assigned bus number 1 [ 196.489734] ohci_hcd 0000:00:0a.0: created debug files [ 196.557562] ohci_hcd 0000:00:0a.0: irq 11, io mem 0x1ff01000000 [ 196.683692] Driver 'sr' needs updating - please use bus_type methods -- Meelis Roos (mroos@xxxxx) http://www.cs.ut.ee/~mroos/ -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
