Date: Fri, 16 Nov 2007 11:30:04 GMT From: Kyryll A Mirnenko aka Mirya <mirya@zoc.com.ua> To: freebsd-usb@FreeBSD.org Subject: Re: usb/117719: umass plugging with hald running causes kernel panics on 7.0 Message-ID: <200711161130.lAGBU4Lu004011@freefall.freebsd.org>
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The following reply was made to PR usb/117719; it has been noted by GNATS. From: Kyryll A Mirnenko aka Mirya <mirya@zoc.com.ua> To: bug-followup@freebsd.org, mirya@zoc.com.ua Cc: Subject: Re: usb/117719: umass plugging with hald running causes kernel panics on 7.0 Date: Fri, 16 Nov 2007 14:22:24 +0300 The bug stays the same with BETA2. Here's the kernel stack trace: # plugging in the device umass0: <Western Digital External HDD, class 0/0, rev 2.00/2.40, addr 2> on uhub3 da0 at umass-sim0 bus 0 target 0 lun 0 da0: <WDC WD12 00UE-00KVT0 0000> Fixed Direct Access SCSI-0 device da0: 40.000MB/s transfers da0: 114473MB (234441648 512 byte sectors: 255H 63S/T 14593C) # in a few moments... panic: msleep KDB: stack backtrace db_trace_self_wrapper(c0968c2f,c0a19c40,c09697de,cc12cb30,cc12cb30,...) at 0xc047b4a6 = db_trace_self_wrapper+0x26 panic(c09697de,c0a19630,c09697ad,c094a106,8,...) at 0xc05d9bef = panic+0xdf _sleep(0,c0a19630,100,c094a106,0,...) at 0xc05e2a57 = _sleep+0x87 sgread(c31c1f00,cc12cc5c,0,168,0,...) at 0xc046d91f = sgread+0xff giant_read(c31c1f00,cc12cc5c,0,0,c00,...) at 0xc05aa188 = giant_read+0x48 devfs_read_f(c2faa4c8,cc12cc5c,c2809f00,0,c31be630,...) at 0xc0539746 = devfs_read_f+0x76 dofileread(cc12cc5c,ffffffff,ffffffff,0,c2faa4c8,...) at 0xc061423c = dofileread+0x6c kern_readv(c31be630,4,cc12cc5c,cc12cc7c,1,...) at 0xc0615e98 = kern_readv+0x58 read(c31be630,cc12ccf8,c,c096e2b3,c09c97c8,...) at 0xc0615f80 = read+0x50 syscall(cc12cd38) at 0xc90642a = syscall+0x13a Xint0x80_syscall() at 0xc08eeb20 = Xint0x80_syscall+0x20 --- syscall (3, FreeBSD ELF 32, read), eip = 0x48381673, esp = 0xbfbfe65c, ebp = 0xbfbfe68b --- I also was able to get the same crash when unplugging the device above (plugged in before boot, that doesn't cause the panic as stated in my previous message) and plugging in another USB disk with regular FAT at /dev/ad0s1 (though simply plugging in the 2nd disk without having the 1st plugged doesn't cause the panic)home | help
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