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Bug#488273: marked as done (linux-image-2.6.25-2-amd64: Hangs on a Dell Poweredge 850)

Your message dated Sat, 25 Jul 2009 14:12:03 +0200
with message-id <20090725121203.GA20980@galadriel.inutil.org>
and subject line Re: linux-image-2.6.25-2-amd64: Hangs on a Dell Poweredge 850
has caused the Debian Bug report #488273,
regarding linux-image-2.6.25-2-amd64: Hangs on a Dell Poweredge 850
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
488273: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=488273
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-2.6.25-2-amd64
Version: 2.6.25-5
Severity: normal


Hi,

Kernel 2.6.25 hangs on a Dell PowerEdge 850. This is the lockup captured
with netconsole:

[  873.350023] NMI Watchdog detected LOCKUP on CPU 0
[  873.350023] CPU 0 
[  873.350023] Modules linked in: ac battery ipt_REJECT xt_multiport iptable_nat nf_nat ipt_LOG ipt_recent nf_conntrack_ipv4 xt_state nf_conntrack xt_tcpudp ip6table_filter ip6_tables ipv6 iptable_filter ip_tables x_tables 8021q netconsole configfs ipmi_devintf ipmi_si ipmi_msghandler i2c_i801 i3000_edac rng_core button edac_core evdev i2c_core dcdbas pcspkr iTCO_wdt shpchp pci_hotplug ext3 jbd mbcache dm_mirror dm_snapshot dm_mod raid1 md_mod ide_generic ide_cd_mod cdrom sd_mod piix ide_core ata_piix ata_generic libata scsi_mod dock ehci_hcd tg3 uhci_hcd thermal processor fan
[  873.350023] Pid: 0, comm: swapper Not tainted 2.6.25-2-amd64 #1
[  873.350023] RIP: 0010:[<ffffffff802201c0>]  [<ffffffff802201c0>] hpet_rtc_interrupt+0x116/0x2f7
[  873.350023] RSP: 0018:ffffffff805c3ed8  EFLAGS: 00000097
[  873.350023] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000
[  873.350023] RDX: 00000000dba8fa91 RSI: 0000000000000002 RDI: 0000000000000002
[  873.350023] RBP: 000000010002226c R08: 0000000000000000 R09: ffff8100010070a0
[  873.350023] R10: ffff81010fab7e20 R11: ffff81010fab5200 R12: 00000000000000a6
[  873.350023] R13: 0000000000000000 R14: ffffffff805879e0 R15: 0000000000000000
[  873.350023] FS:  0000000000000000(0000) GS:ffffffff80520000(0000) knlGS:0000000000000000
[  873.350023] CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
[  873.350023] CR2: 00007fd937409000 CR3: 000000010d5d3000 CR4: 00000000000006e0
[  873.350023] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  873.350023] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  873.350023] Process swapper (pid: 0, threadinfo ffffffff80558000, task ffffffff804ee4a0)
[  873.350023] Stack:  0000000000000000 0000000000000000 0000000000000000 0000000000000000
[  873.350023]  ffffffff00000000 ffffffff802495ab ffffffff8021263b ffff81010d48f140
[  873.350023]  0000000000000000 0000000000000000 0000000000000008 ffffffff8026c077
[  873.350023] Call Trace:
[  873.350023]  <IRQ>  [<ffffffff802495ab>] ? ktime_get_ts+0x17/0x48
[  873.350023]  [<ffffffff8021263b>] ? read_tsc+0x5/0x7
[  873.350023]  [<ffffffff8026c077>] ? handle_IRQ_event+0x2c/0x61
[  873.350023]  [<ffffffff8026d5fe>] ? handle_edge_irq+0xe0/0x120
[  873.350023]  [<ffffffff8020f41c>] ? do_IRQ+0x6d/0xd9
[  873.350023]  [<ffffffff8020c34d>] ? ret_from_intr+0x0/0x19
[  873.350023]  <EOI>  [<ffffffff802206e4>] ? native_safe_halt+0x2/0x3
[  873.350023]  [<ffffffff8020ae96>] ? default_idle+0x3b/0x6e
[  873.350023]  [<ffffffff8020ae5b>] ? default_idle+0x0/0x6e
[  873.350023]  [<ffffffff8020af52>] ? cpu_idle+0x89/0xb3
[  873.350023] 
[  873.350023] 
[  873.350023] Code: f2 1f 00 bf 0a 00 00 00 48 89 c3 e8 5f 26 ff ff 48 89 de 41 88 c4 48 c7 c7 70 e6 5c 80 e8 bf f2 1f 00 45 84 e4 78 04 eb 12 f3 90 <48> 8b 05 b9 66 33 00 48 29 e8 48 83 f8 04 76 ee 48 c7 c7 70 e6 
[  873.350023] ---[ end trace c6ed53b4da5f3a22 ]---
[  873.350039] Kernel panic - not syncing: Aiee, killing interrupt handler!

I've had lockups with self-compiled 2.6.25 kernels on other hardware as
well, all related to hpet_rtc_interrupt; see the LKML archive for the
details. This is the first time I've tried a Debian-packaged 2.6.25, and
it also hangs. The workaround recommended on LKML was to disable
CONFIG_HPET_EMULATE_RTC (it cannot be disabled in the menu, you have to
edit the configuration by hand). This workaround seems to work for me:

$ uname -a
Linux boogie 2.6.25 #3 SMP Thu Jun 12 13:32:35 CEST 2008 x86_64 GNU/Linux
$ uptime
 15:57:16 up 15 days,  1:43, 13 users,  load average: 0.24, 0.57, 0.65

Without the workaround, I never got an uptime more than a couple of
hours. So I suggest applying the workaround to the Debian package as
well.

Gabor

-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (990, 'unstable'), (500, 'testing'), (500, 'stable'), (101, 'experimental')
Architecture: i386 (x86_64)

Kernel: Linux 2.6.25 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

--- End Message ---
--- Begin Message --- 
On Tue, Jan 06, 2009 at 01:00:44PM +0100, Gabor Gombas wrote:
> On Sat, Dec 27, 2008 at 02:44:21PM +0100, Moritz Muehlenhoff wrote:
> 
> > Does this error still occur with more recent kernel versions?
> 
> No idea, all our Dells are now running Mandriva with a 2.6.18-based Xen
> kernel, and there is no chance in the near future to try Debian on them
> again. I've had other affected machines but they were/are running
> vanilla kernels, not Debian provided ones. On these other machines, the
> bug has been fixed in 2.6.27 upstream.

Ok, closing the bug then.

Cheers,
        Moritz

--- End Message ---
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