Messages in this thread | | | Date | Mon, 17 Dec 2012 15:58:30 +0100 | From | Sander Eikelenboom <> | Subject | Re: 3.8.0-rc0 on xen-unstable: RCU Stall during boot as dom0 kernel after IOAPIC |
| |
Sunday, December 16, 2012, 6:38:24 PM, you wrote:
> On Fri, Dec 14, 2012 at 04:55:57PM +0100, Sander Eikelenboom wrote: >> Hi Konrad, >> >> I just tried to boot a 3.8.0-rc0 kernel (last commit: 7313264b899bbf3988841296265a6e0e8a7b6521) as dom0 on my machine with current xen-unstable.
> Yeah, saw it over the Dec 11->Dec 12 merges and was out on > vacation during that time (just got back).
> Did you by any chance try to do a git bisect to narrow down > which merge it was?
Hi Konrad,
I tried to bisect, but did not succeed so far. But somehow i have the feeling it is at least partly .config related. After make a new clone, and by hand trying to bisecting down, i came back to v3.7, but that also didn't boot. So i will see if i can do it the other way around :S
-- Sander
> Thanks! >> The boot stalls: >> >> [ 0.000000] ACPI: PM-Timer IO Port: 0x808 >> [ 0.000000] ACPI: Local APIC address 0xfee00000 >> [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) >> [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled) >> [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled) >> [ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled) >> [ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x04] enabled) >> [ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x05] enabled) >> [ 0.000000] ACPI: IOAPIC (id[0x06] address[0xfec00000] gsi_base[0]) >> [ 0.000000] IOAPIC[0]: apic_id 6, version 33, address 0xfec00000, GSI 0-23 >> [ 0.000000] ACPI: IOAPIC (id[0x07] address[0xfec20000] gsi_base[24]) >> [ 0.000000] IOAPIC[1]: apic_id 7, version 33, address 0xfec20000, GSI 24- >> [ 64.598628] INFO: rcu_preempt detected stalls on CPUs/tasks: >> [ 64.598676] 0: (1 GPs behind) idle=aed/140000000000000/0 drain=5 . timer not pending >> [ 64.598683] (detected by 1, t=18004 jiffies, g=18446744073709551414, c=18446744073709551413, q=162) >> [ 64.598692] sending NMI to all CPUs: >> [ 64.598716] xen: vector 0x2 is not implemented >> >> >> Perhaps an interesting line is the incomplete (no end of range, and it stalls there some time before the kernel reports the stall itself: >> [ 0.000000] IOAPIC[1]: apic_id 7, version 33, address 0xfec20000, GSI 24- >> >> >> The exact seem config with 3.7.0 as kernel works fine. >> Complete serial log is attached. >> >> -- >> >> Sander >> >>
| |