Date: Tue, 27 Jul 2004 11:35:28 -1000 From: Randy Bush <randy@psg.com> To: Garance A Drosihn <drosih@rpi.edu> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Anyone Else Seeing: Assertion td->td_turnstile Message-ID: <16646.51872.848411.893128@roam.psg.com> References: <16645.20955.594465.563275@roam.psg.com> <16646.47072.297810.282486@roam.psg.com> <p0611040fbd2c6fd1ab7d@[128.113.24.47]>
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oh, and with an unassertive kernel, i get a similar hard crash
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x10
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc04dce1c
stack pointer = 0x10:0xdf021ae0
frame pointer = 0x10:0xdf021b00
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 830 (mysqld)
[thread 100261]
Stopped at turnstile_wait+0x20c: movl %eax,0x10(%edx)
db> trace
turnstile_wait(c23f8ac0,c0644b80,c22e8420,4,c2822b00) at turnstile_wait+0x20c
_mtx_lock_sleep(c0644b80,0,0,0,1) at _mtx_lock_sleep+0xd5
cv_wait_sig(c064a004,c0649fe0,df021b8c,4,4) at cv_wait_sig+0x29e
kern_select(c2822b00,4,bfbfed10,0,0) at kern_select+0x688
select(c2822b00,df021d14,14,6,5) at select+0x66
syscall(835002f,2f,835002f,835b000,0) at syscall+0x320
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (93, FreeBSD ELF32, select), eip = 0x284e3fbf, esp = 0xbfbfe8bc, ebp = 0xbfbfe8f8 ---
randy
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