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Message-ID: <3e8340490809181902q31e8227fq72a7bea688b594c1@mail.gmail.com>
Date: Thu, 18 Sep 2008 22:02:16 -0400
From: "Bryan Donlan" <bdonlan@...il.com>
To: lkml <linux-kernel@...r.kernel.org>
Subject: Kernel OOPS and panic on boot in advantech watchdog init
When testing a non-modular kernel on i386 with many of the default
drivers left on under Xen, I got the following oops and panic on boot:
{many, many lines cut}
[ 29.975610] acquirewdt: I/O address 0x0043 already in use
[ 29.979380] acquirewdt: probe of acquirewdt failed with error -5
[ 29.979380] WDT driver for Advantech single board computer initialising.
[ 30.122533] advantechwdt: I/O address 0x0443 already in use
[ 30.126288] advantechwdt: probe of advantechwdt failed with error -5
[ 30.126288] alim7101_wdt: Steve Hill <steve@...aho.co.uk>.
[ 30.126288] alim7101_wdt: ALi M7101 PMU not present - WDT not set
[ 30.328280] BUG: unable to handle kernel paging request at d6023220
[ 30.332244] IP: [<c021f6f3>] xen_set_pte+0x3/0x10
[ 30.332244] *pdpt = 000000054cd7e027
[ 30.332244] Oops: 0003 [#1] SMP
[ 30.332244]
[ 30.332244] Pid: 1, comm: swapper Tainted: G W (2.6.27-rc5pvtest #1)
[ 30.332244] EIP: 0061:[<c021f6f3>] EFLAGS: 00010286 CPU: 3
[ 30.332244] EIP is at xen_set_pte+0x3/0x10
[ 30.332244] EAX: d6023220 EBX: 80000000 ECX: 800007ff EDX: fffff063
[ 30.332244] ESI: fffff063 EDI: 00001000 EBP: d6023220 ESP: d6031e9c
[ 30.332244] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069
[ 30.332244] Process swapper (pid: 1, ti=d6030000 task=d602c000
task.ti=d6030000)
[ 30.332244] Stack: c037be42 fffff063 800007ff 28fab000 d7045000
d7044000 c0f9a018 d7045000
[ 30.332244] c10575c0 000fffef d7044fff d7044fff d7045000
fffef000 00000000 00001000
[ 30.332244] 00000010 c023d311 00000173 80000000 00000010
d6031f28 d7045000 fffefcb0
[ 30.332244] Call Trace:
[ 30.332244] [<c037be42>] ioremap_page_range+0x1e2/0x280
[ 30.332244] [<c023d311>] __ioremap_caller+0x1e1/0x340
[ 30.332244] [<c0ffeaa7>] sc520_wdt_init+0x27/0x100
[ 30.332244] [<c0ffea80>] sc520_wdt_init+0x0/0x100
[ 30.332244] [<c023d5a8>] ioremap_nocache+0x18/0x20
[ 30.332244] [<c0ffeaa7>] sc520_wdt_init+0x27/0x100
[ 30.332244] [<c0ffeaa7>] sc520_wdt_init+0x27/0x100
[ 30.332244] [<c0ffe6dd>] advwdt_init+0x4d/0x70
[ 30.332244] [<c0203099>] do_one_initcall+0x99/0x180
[ 30.332244] [<c0203033>] do_one_initcall+0x33/0x180
[ 30.332244] [<c02e9ccf>] proc_register+0xff/0x1b0
[ 30.332244] [<c02e9b1e>] __proc_create+0x8e/0x110
[ 30.332244] [<c02e9e84>] create_proc_entry+0x54/0xa0
[ 30.332244] [<c0285ea9>] register_irq_proc+0xb9/0xd0
[ 30.332244] [<c0fbe642>] kernel_init+0x112/0x170
[ 30.332244] [<c0fbe530>] kernel_init+0x0/0x170
[ 30.332244] [<c0224a4f>] kernel_thread_helper+0x7/0x10
[ 30.332244] =======================
[ 30.332244] Code: 00 8d bc 27 00 00 00 00 e9 6b ff ff ff 8d 74 26
00 8d bc 27 00 00 00 00 e9 5b ff ff ff 8d 74 26 00 8d bc 27 00 00 00
00 89 48 04 <89> 10 c3 8d 76 00 8d bc 27 00 00 00 00 83 ec 10 89 5c 24
08 89
[ 30.332244] EIP: [<c021f6f3>] xen_set_pte+0x3/0x10 SS:ESP 0069:d6031e9c
[ 30.332244] ---[ end trace 4eaa2a86a8e2da22 ]---
[ 30.332244] Kernel panic - not syncing: Attempted to kill init!
[ 30.332244] ------------[ cut here ]------------
[ 30.332244] WARNING: at kernel/smp.c:332 smp_call_function_mask+0x1c1/0x1d0()
[ 30.332244] Pid: 1, comm: swapper Tainted: G D W 2.6.27-rc5pvtest #1
[ 30.332244] [<c024dbaa>] warn_on_slowpath+0x5a/0xa0
[ 30.332244] [<c03b1eaf>] fbcon_cursor+0x19f/0x300
[ 30.332244] [<c02654d7>] atomic_notifier_call_chain+0x17/0x20
[ 30.332244] [<c047716f>] notify_update+0x1f/0x30
[ 30.332244] [<c04773fa>] vt_console_print+0x20a/0x2d0
[ 30.332244] [<c04619e7>] force_evtchn_callback+0x17/0x30
[ 30.332244] [<c02211ea>] check_events+0x8/0xe
[ 30.332244] [<c0221153>] xen_restore_fl_direct_end+0x0/0x1
[ 30.332244] [<c04619e7>] force_evtchn_callback+0x17/0x30
[ 30.332244] [<c02211ea>] check_events+0x8/0xe
[ 30.332244] [<c0221153>] xen_restore_fl_direct_end+0x0/0x1
[ 30.332244] [<c024e500>] vprintk+0x170/0x350
[ 30.332244] [<c026f011>] smp_call_function_mask+0x1c1/0x1d0
[ 30.332244] [<c0275f7c>] crash_kexec+0x6c/0xd0
[ 30.332244] [<c0221153>] xen_restore_fl_direct_end+0x0/0x1
[ 30.332244] [<c024e500>] vprintk+0x170/0x350
[ 30.332244] [<c0479013>] do_unblank_screen+0x23/0x140
[ 30.332244] [<c026f034>] smp_call_function+0x14/0x20
[ 30.332244] [<c024da95>] panic+0x55/0x110
[ 30.332244] [<c0251177>] do_exit+0x857/0x860
[ 30.332244] [<c024e6fb>] printk+0x1b/0x20
[ 30.332244] [<c0224f01>] oops_end+0xb1/0xc0
[ 30.332244] [<c023c81a>] do_page_fault+0x29a/0x9d0
[ 30.332244] [<c0224a9f>] xen_do_upcall+0x7/0xc
[ 30.332244] [<c023c580>] do_page_fault+0x0/0x9d0
[ 30.332244] [<c0b341ba>] error_code+0x72/0x78
[ 30.332244] [<c022007b>] xen_pgd_pin+0x3b/0x110
[ 30.332244] [<c021f6f3>] xen_set_pte+0x3/0x10
[ 30.332244] [<c037be42>] ioremap_page_range+0x1e2/0x280
[ 30.332244] [<c023d311>] __ioremap_caller+0x1e1/0x340
[ 30.332244] [<c0ffeaa7>] sc520_wdt_init+0x27/0x100
[ 30.332244] [<c0ffea80>] sc520_wdt_init+0x0/0x100
[ 30.332244] [<c023d5a8>] ioremap_nocache+0x18/0x20
[ 30.332244] [<c0ffeaa7>] sc520_wdt_init+0x27/0x100
[ 30.332244] [<c0ffeaa7>] sc520_wdt_init+0x27/0x100
[ 30.332244] [<c0ffe6dd>] advwdt_init+0x4d/0x70
[ 30.332244] [<c0203099>] do_one_initcall+0x99/0x180
[ 30.332244] [<c0203033>] do_one_initcall+0x33/0x180
[ 30.332244] [<c02e9ccf>] proc_register+0xff/0x1b0
[ 30.332244] [<c02e9b1e>] __proc_create+0x8e/0x110
[ 30.332244] [<c02e9e84>] create_proc_entry+0x54/0xa0
[ 30.332244] [<c0285ea9>] register_irq_proc+0xb9/0xd0
[ 30.332244] [<c0fbe642>] kernel_init+0x112/0x170
[ 30.332244] [<c0fbe530>] kernel_init+0x0/0x170
[ 30.332244] [<c0224a4f>] kernel_thread_helper+0x7/0x10
[ 30.332244] =======================
[ 30.332244] ---[ end trace 4eaa2a86a8e2da22 ]---
The hardware in question is, of course, not present. My .config and
full boot log are attached; I'm using git
afa153fd7b6afcd55dd6df6aea06bb53aa1d3608 from linus's tree. This
particular boot was done with pv-grub, but the crash also occurs
without pv-grub, that is, booted directly through Xen.
Download attachment "oops-full.log" of type "application/octet-stream" (43840 bytes)
Download attachment "config" of type "application/octet-stream" (62769 bytes)
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