Dear colleagues, (HEAD/i386 from 22 June, WITNESS and INVARIANTS disabled) attaching SATA disk to ASUS k8n-lr (SMP on Athlon64 X2) while system is running leads to endless attach-detach loop: ad8: detached ad8: 152627MB <Seagate ST3160811AS 3.AAE> at ata4-master SATA300 ad8: detached ad8: 152627MB <Seagate ST3160811AS 3.AAE> at ata4-master SATA300 ad8: detached ad8: 152627MB <Seagate ST3160811AS 3.AAE> at ata4-master SATA300 ad8: detached ad8: 152627MB <Seagate ST3160811AS 3.AAE> at ata4-master SATA300 ad8: detached system is hardly responsible, but issuing `atacontrol detach ata4' drops it into kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x188 fault code = supervisor read, page not present instruction pointer = 0x20:0xc04d4035 stack pointer = 0x28:0xe34a7c60 frame pointer = 0x28:0xe34a7c78 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = resume, IOPL = 0 current process = 13 (swi4: clock sio) [thread pid 13 tid 100001 ] Stopped at _mtx_lock_sleep+0x85: movl 0x188(%esi),%eax db> bt Tracing pid 13 tid 100001 td 0xc48fbe00 _mtx_lock_sleep(c49b9cec,c48fbe00,0,0,0,...) at _mtx_lock_sleep+0x85 softclock(0,0,c066a1f4,46b,0,...) at softclock+0x277 ithread_loop(c48f9310,e34a7d38,b8dd,0,0,...) at ithread_loop+0x1ab fork_exit(c04c3a30,c48f9310,e34a7d38) at fork_exit+0x97 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xe34a7d70, ebp = 0 --- db> Will try to do the same with WITNESS+INVARIANTS... Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck_at_rinet.ru *** ------------------------------------------------------------------------Received on Sun Jun 24 2007 - 12:32:04 UTC
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