Date: Sun, 9 Sep 2007 13:58:01 +0400 (MSD) From: Dmitry Morozovsky <marck@rinet.ru> To: current@freebsd.org Subject: Re: Possible 7.0 showstopper: SATA/eSATA are unable to init hot-plugs Message-ID: <20070909135036.X86138@woozle.rinet.ru> In-Reply-To: <20070907192152.V98273@woozle.rinet.ru> References: <20070907192152.V98273@woozle.rinet.ru>
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On Fri, 7 Sep 2007, Dmitry Morozovsky wrote:
DM> on most (possibly all, but I'm not fully sure and a bit limited in testing)
DM> motherboard/controller configuration I've tested so far -current is unable to
DM> properly attach hot-plugged disks. Sometimes even atacontrol detach/atacontrol
DM> attach sequence can't bring disk into working state (only reboot does).
DM>
Another one (i386 on ASUS M2N-LR/SATA):
atapci2: <nVidia nForce MCP55 SATA300 controller> port
0xbc00-0xbc07,0xb880-0xb883,0xb800-0xb807,0xb480-0xb483,0xb400-0xb40f mem
0xefbbc000-0xefbbcfff irq 20 at device 5.1 on pci0
atapci2: [ITHREAD]
ata4: <ATA channel 0> on atapci2
ata5: <ATA channel 1> on atapci2
ata5: [ITHREAD]
# # ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
ad10: 381554MB <Seagate ST3400620AS 3.AAK> at ata5-master SATA150
ad10: detached
Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address = 0x5d891cf0
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc049e2b1
stack pointer = 0x28:0xe507dc90
frame pointer = 0x28:0xe507dcac
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 2 (g_event)
[thread pid 2 tid 100011 ]
Stopped at g_wither_washer+0x61: movl 0x4(%eax),%ebx
db> bt
Tracing pid 2 tid 100011 td 0xc64c0cc0
g_wither_washer(c06ce06c,c066c481,c680f658,0,ffffffff,...) at
g_wither_washer+0x61
g_run_events(c06ce180,0,4c,c0669d05,64,...) at g_run_events+0x428
g_event_procbody(0,e507dd38,0,0,0,...) at g_event_procbody+0x69
fork_exit(c049a750,0,e507dd38) at fork_exit+0x97
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xe507dd70, ebp = 0 ---
db>
Effect is not 100% reproducible; I think there are some races in SATA init
code...
Sincerely,
D.Marck [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer: marck@FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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