Hi,
I am running linux-2.6.22.1-rt8 on mpc5200 and on running stress
./stress --cpu 8 --io 4 --vm 2 --vm-bytes 2M --timeout 300s
I get the following stack.But this does not happen with non rt kernel.
LR = 0xff51fcc
BUG: scheduling while atomic: stress/0x00000002/739, CPU#0
Call Trace:
[c04fbb80] [c0008650] show_stack+0x50/0x190 (unreliable)
[c04fbbb0] [c0016fc0] __schedule_bug+0x38/0x48
[c04fbbc0] [c01d4f7c] __schedule+0x3dc/0x450
[c04fbbf0] [c01d56c8] schedule+0x54/0xf0
[c04fbc00] [c01d6390] rt_spin_lock_slowlock+0x100/0x224
[c04fbc60] [c0052198] get_zone_pcp+0x30/0x58
[c04fbc80] [c0053078] free_hot_cold_page+0x114/0x1fc
[c04fbcb0] [c0056424] put_page+0x50/0x15c
[c04fbcd0] [c0069854] free_page_and_swap_cache+0x44/0x80
[c04fbce0] [c005d760] unmap_vmas+0x2e0/0x788
[c04fbd70] [c006292c] exit_mmap+0x74/0x108
[c04fbda0] [c001adc0] mmput+0x54/0xf0
[c04fbdc0] [c001ecfc] exit_mm+0xc0/0x124
[c04fbde0] [c001ffd0] do_exit+0x164/0x8bc
[c04fbe20] [c0020760] do_group_exit+0x38/0x90
[c04fbe40] [c002ba48] get_signal_to_deliver+0x2ac/0x3c0
[c04fbe70] [c000739c] do_signal+0x50/0x60c
[c04fbf40] [c000fec0] do_user_signal+0x74/0xc4
--- Exception: c00 at 0xfeab1dc
LR = 0xff51fcc
Thanks in advance
--
Regards,
Girish S Kathalagiri
*****
Someone asked me "Who will let you do it ?"
I said "Thats not the point.The point is, who will stop me ?"
*****
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