Date: Mon, 28 Sep 2009 08:09:54 +0800 From: Eugene Grosbein <eugen@kuzbass.ru> To: usb@freebsd.org Cc: Hans Petter Selasky <hselasky@freebsd.org> Subject: Re: 8.0-RC1: AMD CS5536 (Geode) USB 2.0 controller strange behavour Message-ID: <20090928000954.GA55370@svzserv.kemerovo.su> In-Reply-To: <200909271629.31368.hselasky@freebsd.org>
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> The following debug prints clearly show that your device does not respond. > And the USB stack kicks in after a while to fetch the status of the drive. > Previously when I have seen this kind of issues, it was always the USB device > stack that was at failure. I've never seen that it was the fault of the USB > host stack. Then I wonder why both devices (HDD and flash) do not respond being attached to this CS5536-system and work just fine with another systems. > You would need an USB analyser to figure out for sure. If the > situation is that the USB device hardware is reponding with NAKs to the OUT > or PING tokens (USB term), then the schedule on the USB host is setup correctly > and it is a device problem. What is USB analyser in first place? :-) > Have you tried contacting the manufacturer of your USB device about this? No, because it works with other boxes. > What is the CPU speed difference between the two boxes you are running > tests on? CS5536-based system is uniprocessor and has: CPU: Geode(TM) Integrated Processor by AMD PCS (499.90-MHz 586-class CPU) Origin = "AuthenticAMD" Id = 0x5a2 Stepping = 2 Features=0x88a93d<FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CLFLUSH,MMX> AMD Features=0xc0400000<MMX+,3DNow!+,3DNow!> The CPU is idle while dd is running: CPU: 0.4% user, 0.0% nice, 0.8% system, 1.2% interrupt, 97.7% idle My ICH7-based desktop is SMP and has: CPU: Intel(R) Pentium(R) D CPU 2.80GHz (2805.72-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf62 Stepping = 2 Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> Features2=0xe43d<SSE3,DTES64,MON,DS_CPL,VMX,CNXT-ID,CX16,xTPR,PDCM> AMD Features=0x20100000<NX,LM> AMD Features2=0x1<LAHF> TSC: P-state invariant Eugene Grosbein
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