Date: Mon, 26 Mar 2001 16:35:04 +0200 From: Szilveszter Adam <sziszi@petra.hos.u-szeged.hu> To: Jim Bloom <bloom@acm.org> Cc: freebsd-current@freebsd.org Subject: Re: midi causes panic on boot? (update) Message-ID: <20010326163504.B13650@petra.hos.u-szeged.hu> In-Reply-To: <3ABE8B34.B192B824@acm.org>; from bloom@acm.org on Sun, Mar 25, 2001 at 07:20:04PM -0500 References: <20010312163850.A28997@petra.hos.u-szeged.hu> <20010314004953.B549@zippy.mybox.zip> <200103140904.f2E945607519@silver.carrots.uucp.r.dl.itc.u-tokyo.ac.jp> <20010325190155.A1795@petra.hos.u-szeged.hu> <3ABE8B34.B192B824@acm.org>
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Hello Jim, On Sun, Mar 25, 2001 at 07:20:04PM -0500, Jim Bloom wrote: > I get a slightly different backtrace, but was able to use my palm pilot as the > serial console. I have had this same problem for quit a while (about a month). > I suspect a locking issue related to Seigo Tanimura's commit on Feb 25. My last > cvsup was within the past 24 hours and the kernel was built in a clean > directory. Yes, same experience here. But I unfortunately did not have a serial console handy. Tanimura's commits on March 14th were supposed to help the situation, but they appearently haven't...:-( > I can try to get more information if necessary. I am still trying to figure out how to get more. I am not good with ddb, and since the machine will not dump, gdb is not usable locally. (And again, no serial connection handy:-( 'show witness' and 'show mutex' come to mind as two more things I will try in ddb. > trace > _mtx_lock_sleep(c0ecda08,0,c036d471,268) at _mtx_lock_sleep+0x29a > mpu_uartmode(c0ecda00) at mpu_uartmode+0x63 > mpu_attach(c0ebd100,c0ebd100,c0ebd100,c0e67080,c04e675c) at mpu_attach+0x25 > mpusbc_attach(c0ebd100,c0ebd100,c0ea5ac0,c036e926,1) at mpusbc_attach+0x19 > device_probe_and_attach(c0ebd100) at device_probe_and_attach+0x9a > bus_generic_attach(c0ea2000,c0ebd080,c0ea5ac0,c0ea2000,c036e935) at > bus_generic_attach+0x16 > sbc_attach(c0ea2000,c0eadb00,c0ea2000,7,0) at sbc_attach+0x3cc > device_probe_and_attach(c0ea2000,c0404c4c,c03f9030,4eb000,c0eadb00) at > device_probe_and_attach+0x9a > isa_probe_children(c0ea2980,c04e6ff8,c01b1f74,0,4e4c00) at > isa_probe_children+0x143 > configure(0,4e4c00,4e4000,0,c01277d2) at configure+0x39 > mi_startup() at mi_startup+0x68 > begin() at begin+0x29 Yes, I think we are looking at the same thing. -- Regards: Szilveszter ADAM Szeged University Szeged Hungary To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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