Date: Tue, 14 Aug 2007 17:01:24 +0200 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-usb@freebsd.org, Khairil Yusof <kaeru@inigo-tech.com> Subject: Re: usb/105186: USB 2.0/ehci on FreeBSD 6.2-PRE/AMD64 crashes box Message-ID: <200708141701.25433.hselasky@c2i.net> In-Reply-To: <200708140300.l7E30EAf011416@freefall.freebsd.org> References: <200708140300.l7E30EAf011416@freefall.freebsd.org>
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On Tuesday 14 August 2007, Khairil Yusof wrote: > The following reply was made to PR usb/105186; it has been noted by GNATS. > > From: Khairil Yusof <kaeru@inigo-tech.com> > To: bug-followup@FreeBSD.org, ohartman@zedat.fu-berlin.de > Cc: > Subject: Re: usb/105186: USB 2.0/ehci on FreeBSD 6.2-PRE/AMD64 crashes box > Date: Tue, 14 Aug 2007 10:20:36 +0800 > > I tried it with the new usb driver. More concerned with stability. > > > RELEASE 6.2 AMD64 > > - stock ehci driver, it will just reboot. > - stock ohci driver, more stable, but eventually under heavy IO > it will crash and reboot. > - usb4bsd ohci driver + atausb, stable, no errors. > - usb4bsd ehci driver + umass, it will hang > - usb4bsd ehci driver + atausb, it will hang, but recover after > g_vfs > timeout > > The following are the results of usb4bsd ehci driver + atausb > when it > hangs: Hi, You can turn on more debugging in "umass" by: sysctl hw.usb.umass.debug=-1 With /usr/src/sys/dev/ata/ata-usb.c: Change the following variable manually to "5". static const int atausbdebug = 0; Then recompile the atausb module or kernel. When it hangs the debug output is of interest. --HPS
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