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xen-ia64-devel
Re: [Xen-ia64-devel] Fedora-xen-ia64 test status
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To: |
Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>, ia64 Fedora Core Development <fedora-ia64-list@xxxxxxxxxx>, fedora-xen@xxxxxxxxxx, xen-ia64-devel@xxxxxxxxxxxxxxxxxxx, Aron Griffis <aron@xxxxxx>, Juan Quintela <quintela@xxxxxxxxxx>, Chris Wright <chrisw@xxxxxxxxxxxx>, Dave Jones <davej@xxxxxxxxxx>, jean-paul.pigache@xxxxxxxx |
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Subject: |
Re: [Xen-ia64-devel] Fedora-xen-ia64 test status |
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From: |
Akio Takebe <takebe_akio@xxxxxxxxxxxxxx> |
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Date: |
Fri, 04 Aug 2006 05:34:50 +0900 |
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Cc: |
Isaku Yamahata <yamahata@xxxxxxxxxxxxx> |
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Thu, 03 Aug 2006 13:43:07 -0700 |
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<79C6B734D72AA4takebe_akio@xxxxxxxxxxxxxx> |
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Hi, Xen/IA64 people
When I boot the dom0, I get some __might_sleep()'s messages.
BUG: sleeping function called from invalid context at kernel/rwsem.c:20
in_atomic():0, irqs_disabled():1
Call Trace:
[<a00000010001c7a0>] show_stack+0x40/0xa0
sp=e00000002f7dfbb0 bsp=e00000002f7d91a8
[<a00000010001c830>] dump_stack+0x30/0x60
sp=e00000002f7dfd80 bsp=e00000002f7d9190
[<a00000010006c920>] __might_sleep+0x2a0/0x2c0
sp=e00000002f7dfd80 bsp=e00000002f7d9168
[<a0000001000bce80>] down_read+0x20/0x60
sp=e00000002f7dfd80 bsp=e00000002f7d9148
[<a0000001005b14f0>] ia64_do_page_fault+0x110/0x9e0
sp=e00000002f7dfd80 bsp=e00000002f7d90f8
[<a000000100064be0>] xen_leave_kernel+0x0/0x3b0
sp=e00000002f7dfe30 bsp=e00000002f7d90f8
Do we need CONFIG_DEBUG_SPINLOCK_SLEEP?
If we need CONFIG_DEBUG_SPINLOCK_SLEEP, we must modify __might_sleep().
6073 void __might_sleep(char *file, int line)
6074 {
6075 #if defined(in_atomic)
6076 static unsigned long prev_jiffy; /* ratelimiting */
6077
6078 if ((in_atomic() || irqs_disabled()) &&
6079 system_state == SYSTEM_RUNNING && !oops_in_progress) {
6080 if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy)
<<<<this
6081 return;
6082 prev_jiffy = jiffies;
6083 printk(KERN_ERR "Debug: sleeping function called from
invalid"
6084 " context at %s:%d\n", file, line);
6085 printk("in_atomic():%d, irqs_disabled():%d\n",
6086 in_atomic(), irqs_disabled());
6087 dump_stack();
6088 }
6089 #endif
6090 }
Best Regards,
Akio Takebe
xen-unstable10920.log
Description: Binary data
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