Date: Thu, 22 May 2014 13:51:59 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Idwer Vollering <vidwer@gmail.com> Cc: freebsd-wireless@freebsd.org, freebsd-usb@freebsd.org Subject: Re: if_rsu hardware causes a kernel panic on removal.. Message-ID: <537DE4DF.1060703@selasky.org> In-Reply-To: <CAPp9Orn4AttGuR93V8h-ErWALHpbGN0JzshK24mKYtUdYgYevw@mail.gmail.com> References: <CAPp9Or=6ryhXzLCE07xOKywwQLkJ7FQ-1w8ePru6p0Cfr0FcJQ@mail.gmail.com> <537AEC79.6080406@selasky.org> <CAPp9Ork4H=v%2BudbteJgjOCS9HeGUgMSCFdMOm84x8i0jr4%2BJ=w@mail.gmail.com> <537B497E.8070701@selasky.org> <CAPp9Or=yUXU2adQP5qppjwWJDJA3q-Ns%2BabRi=bRmwKtg9qaHw@mail.gmail.com> <537B6F44.6070905@selasky.org> <CAPp9Or=xuKzsa3zydfvfbjNxJh0m48q9RnHdg2YEnXAExQUhTQ@mail.gmail.com> <537B9D78.3030103@selasky.org> <CAPp9Ork1NUxMwZJyPGsN__X9p%2BMiwM4qxB7YMAZK1WzrTqJ07w@mail.gmail.com> <537C4712.908@selasky.org> <CAPp9Orks1MCdDW2J%2B5CWe6GX9qBujvEFzazffstmHZtO9_FA0g@mail.gmail.com> <537CC4CF.9030509@selasky.org> <537CE3C9.7090807@selasky.org> <CAPp9OrnAUU%2Bnm0e_0Uq9V=mPiC8y8zavQCCFsA5AYRCcEed%2BbA@mail.gmail.com> <537D9955.3070001@selasky.org> <CAPp9Orn4AttGuR93V8h-ErWALHpbGN0JzshK24mKYtUdYgYevw@mail.gmail.com>
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On 05/22/14 13:22, Idwer Vollering wrote:
> rsu0: timeout waiting for EMEM transfer
Does this patch make any difference:
=== ./if_rsu.c
==================================================================
--- ./if_rsu.c (revision 266539)
+++ ./if_rsu.c (local)
@@ -2220,13 +2220,13 @@
goto fail;
}
/* Wait for load to complete. */
- for (ntries = 0; ntries != 10; ntries++) {
+ for (ntries = 0; ntries != 50; ntries++) {
usb_pause_mtx(&sc->sc_mtx, hz / 100);
reg = rsu_read_2(sc, R92S_TCR);
if (reg & R92S_TCR_EMEM_CODE_DONE)
break;
}
- if (ntries == 10) {
+ if (ntries == 50) {
device_printf(sc->sc_dev, "timeout waiting for EMEM transfer\n");
error = ETIMEDOUT;
goto fail;
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