Messages in this thread | | | From | Keith Owens <> | Subject | 2.6.6-rc3 ia64 smp_call_function() called with interrupts disabled | Date | Mon, 03 May 2004 12:39:44 +1000 |
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2.6.6-rc3, modprobe sg calls vfree() with interrupts disabled. On ia64, vfree calls smp_flush_tlb_all() which calls smp_call_function(). Calling smp_call_function() with interrupts disabled can deadlock.
Badness in smp_call_function at arch/ia64/kernel/smp.c:312
Call Trace: [<a0000001000190a0>] show_stack+0x80/0xa0 sp=e00001307811fc40 bsp=e0000130781191c0 [<a000000100058a50>] smp_call_function+0x3d0/0x3e0 sp=e00001307811fe10 bsp=e000013078119160 [<a000000100057e60>] smp_flush_tlb_all+0x40/0x80 sp=e00001307811fe30 bsp=e000013078119140 [<a000000100142850>] unmap_vm_area+0xf0/0x120 sp=e00001307811fe30 bsp=e000013078119108 [<a000000100142ed0>] remove_vm_area+0x150/0x1e0 sp=e00001307811fe30 bsp=e0000130781190e0 [<a000000100142fb0>] __vunmap+0x50/0x1e0 sp=e00001307811fe30 bsp=e0000130781190a0 [<a0000002002ae4d0>] sg_add+0x2d0/0xbe0 [sg] sp=e00001307811fe30 bsp=e000013078119038 [<a00000010047da40>] class_interface_register+0x1e0/0x2a0 sp=e00001307811fe30 bsp=e000013078119000 [<a0000001005371b0>] scsi_register_interface+0x30/0x60 sp=e00001307811fe30 bsp=e000013078118fe0 [<a0000002002d0200>] init_sg+0x140/0x190 [sg] sp=e00001307811fe30 bsp=e000013078118fb8 [<a000000100104b40>] sys_init_module+0x3c0/0x660 sp=e00001307811fe30 bsp=e000013078118f48 [<a000000100011be0>] ia64_ret_from_syscall+0x0/0x20 sp=e00001307811fe30 bsp=e000013078118f40
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