On 01/17/2014 12:02 PM, Bjorn Helgaas wrote: > On Thu, Jan 16, 2014 at 01:14:01PM -0500, Joseph Salisbury wrote: >> On 01/16/2014 01:12 PM, Bjorn Helgaas wrote: >>> On Thu, Jan 16, 2014 at 10:53 AM, Joseph Salisbury >>> <joseph.salisb...@canonical.com> wrote: >>>> Hi Bjorn, >>>> >>>> A kernel bug was opened against Ubuntu [0]. After a kernel bisect, it >>>> was found the following commit introduced this bug: >>> Sorry about that, and thanks for the report. Did you mean to include >>> URL for the bug? >> Yes, sorry about that: >> http://pad.lv/1251816 > Hi Joseph, > > Can you attach the 3.8.0-32-generic config (the one matching the successful > boot at https://launchpadlibrarian.net/156685076/BootDmesg.txt) to the bug?
I attached the config file to the bug: https://launchpadlibrarian.net/162754666/config.common.ubuntu I also attached a tar file with the complete config directory for that kernel version. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1251816/+attachment/3951156/+files/raring-config.tar > > The only way I can match up the output: > > EISA: Probing bus 0 at eisa.0 > Cannot allocate resource for EISA slot 1 > Cannot allocate resource for EISA slot 2 > Cannot allocate resource for EISA slot 4 > Cannot allocate resource for EISA slot 5 > EISA: Detected 0 cards. > > with the code is if we have root->force_probe set, and the only way I see for > that to happen is if we're in the virtual_eisa_root_init() path and > CONFIG_EISA_VLB_PRIMING=y: > > #if defined(CONFIG_ALPHA_JENSEN) || defined(CONFIG_EISA_VLB_PRIMING) > #define EISA_FORCE_PROBE_DEFAULT 1 > #else > #define EISA_FORCE_PROBE_DEFAULT 0 > #endif > > static int force_probe = EISA_FORCE_PROBE_DEFAULT; > > virtual_eisa_root_init > eisa_bus_root.force_probe = force_probe > eisa_root_register(&eisa_bus_root) > eisa_probe(root) > printk("EISA: Probing bus %d at %s") > if (eisa_request_resources) > printk("EISA: Cannot allocate resource for mainboard") # we don't > see this > if (eisa_init_device) > eisa_release_resources > kfree > if (!root->force_probe) > return -ENODEV > goto force_probe > printk("EISA: Mainboard %s detected") # we don't see this > > force_probe: > for (i = 1; ...; i++) > if (eisa_request_resources(i)) > printk("Cannot allocate resource for EISA slot %d", i) > printk("EISA: Detected %d cards") > > Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
