maximilian attems wrote:
> On Fri, 21 Dec 2007, Paul Gear wrote:
>
>> Hi kernel team,
>>
>> Just wondering if you have any thoughts on this bug yet. It is a high
>> priority bug (as it prevents the system from booting), but i forgot to
>> classify it as such.
>
> can you install 2.6.23 from unstable, install just fine on stable.

2.6.23-1-amd64 (dpkg version 2.6.23-2) panics also.

On the stack (what i can see of it) are: update_curr dequeue_entity
kernel_thread datagram_poll do_stop stopmachine child_rip do_stop
do_stop kthread child_rip kthread child_rip

Code: 48 2b 80 98 03 00 00 48 c7 44 24 38 00 00 00 00 c7 44 24 44
RIP [<ffffffff8026881d>] get_page_from_freelist+0x24/0x550
RSP <ffff810126703c30>
Unable to handle kernel paging request at ffff81012415b708 RIP:
[<ffffffff8026169c>] note_interrupt+0x11f/0c253
PGD 8063 BAD
Oops: 0009 [2] SMP
CPU 0
Modules linked in: intel_agp serio_raw snd_seq_oss snd_seq_midi_event
snd_seq psmouse button snd_timer snd_seq_device i2c_i801 i2c_core snd
iTCO_wdt soundcore s

(Note the truncation of the last module name - it is in the final column
of the screen.)

The results seem to be a little inconsistent in their display. Here's
another panic (on linux-image-2.6.22-3-amd64 version 2.6.22-6~bpo40+1)
and the boot process prior to it:


Starting the hotplug events dispatcher: udevd.
Synthesizing the initial hotplug events...done.
Waiting for /dev to be fully populated...agpgart: Detected an Intel 965G
Chipset.
agpgart: Detected 7676K stolen memory.
Unable to handle kernel paging request at 00007efed93f9c7f RIP:
[<ffffffff80240457>] wq_per_cpu+0x14/0x19
BAD
Oops: 0000 [1] SMP
CPU 0
Modules linked in: intel_agp sr_mod cdrom snd_page_alloc ext3 jbd
mbcache dm_mirror dm_snapshot dm_mod raid1 md_mod ide_generic sd_mod
generic usbhid hid usb_storage ide_code 8139cp ata_generic 8139too mii
ahci pata_marvell libata scsi_mod


linux-image-2.6.22-3-vserver-amd64 version 2.6.22-6~bpo40+1 hangs at the
same point as the non-vserver version, but prints no panic info. The
last item on the console is "agpgart: Detected 7676K stolen memory."
The same goes for linux-image-2.6.18-5-amd64 version
2.6.18.dfsg.1-13etch6 (the latest etch security update).


All of these results were produced with all-generic-ide & irqpoll
command line parameters.

On Sun, 30 Dec 2007, Paul Gear wrote:

>
> 2.6.23-1-amd64 (dpkg version 2.6.23-2) panics also.
>

there is newer available 2.6.24-rc6 linux images
see trunk apt snapshots
http://wiki.debian.org/DebianKernel

please test them out.


--
maks


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Here are some summaries of panics on recent kernels with & without irqpoll.

2.6.24rc6 with irqpoll
----------------------

Call Trace: mmput do_exit oops_end kernel_math_error error_exit
get_page_from_freelist sock_sendmsg find_lock_page __alloc_pages
do_wp_cache handle_mm_fault sk_free wake_up_bit d_kill dput error_exit

RIP free_pages_bulk


2.6.23 with irqpoll
-------------------
Almost identical to 2.6.24rc6 with irqpoll.

Call Trace: __do_softirq call_softirq do_softirq
smp_apic_timer_interrupt apic_timer_interrupt pci_conf1_write
:intel_agp:intel_i915_configure :intel_agp:intel_i915_configure
agp_add_bridge pci_device_probe driver_probe_device __driver_attach
__driver_attach bus_for_each_dev bus_add_driver __pci_register_driver
sys_init_module system_call
RIP: kmem_cache_free


2.6.23 without irqpoll
----------------------

Call trace: vmstat_update vmstat_update run_workqueue worker_thread
worker_thread autoremove_wake_function kthread child_rip kthread child_rip


RIP: refresh_cpu_vm_stats
general protection fault: 0000 [2] SMP
CPU 1

Modules linked in: intel_agp soundcode snd_page_alloc evdev tsdev sg
sr_mod cdrom ext3 jbd mbcache dm_mirror dm_snapshot dm_mod raid1 md_mod
ide_generic 8139cp generic ata_generic sd_mod usbhid hid usb_storage
ide_core 8139too mii pata_marvell ahci libata ehci_hcd uhci_hcd scsi_mod
e1000 thermal processor fan