Date: Sun, 4 Feb 2001 11:32:36 -0500 (EST) From: Robert Watson <rwatson@FreeBSD.org> To: freebsd-current@FreeBSD.org Subject: Advansys driver problems: adv1 probe now fails (Invalid baseport ... Failing probe) Message-ID: <Pine.NEB.3.96L.1010204110813.65610E-500000@fledge.watson.org>
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This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. --0-878574975-981304356=:65610 Content-Type: TEXT/PLAIN; charset=US-ASCII Recently, I updated a box with an ISA Advansys controller card + HP CD Burner to -CURRENT. On doing so, I discovered that my machine crashed at boot due to a NULL pointer passed to free(). John Baldwin provided me with a set of patches that appears to correct bugs in the Advansys (adv) driver that resolve this problem, allowing the probe to continue through (and then fail gracefully, as opposed to panicking). I've attached the references to the patches he provided to this e-mail. It should be pointed out, just for reference, that I've used this card successfully under FreeBSD for a number of years, and the hardware is believed to be in reasonable shape. It's sort of an interesting story, however. I updated in October, and discovered the box crashed--I didn't have time to deal with it then, so added a "disable adv0" to my /boot/kernel.conf. Putting that in there caused the device to probe as adv1, and work fine. Taking out the "disable adv0" causes the October kernel to panic in free() also. I've included three dmesg snippets from boot -v. after.txt Feb 3, 2001 + jhb patches with "di adv0" in kernel.conf after-2.txt Feb 3, 2001 + jhb patches without "di adv0" in kernel.conf before.txt Sep 29, 2000 with "di adv0" in kernel.conf before-2.txt Sep 29, 2000 without "di adv0" in kernel.conf before-2 includes a panic, needless to say, due to breakage in the driver resulting in free() dying. Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services ---------- Forwarded message ---------- Date: Sat, 3 Feb 2001 12:42:12 -0800 (PST) From: John Baldwin <jhb@osd.bsdi.com> To: rwatson@FreeBSD.org Subject: adv patch Robert, A patch can be found at http://www.FreeBSD.org/~jhb/patches/adv.patch It compiles at least. John --0-878574975-981304356=:65610 Content-Type: TEXT/PLAIN; charset=US-ASCII; name="after.txt" Content-Transfer-Encoding: BASE64 Content-ID: <Pine.NEB.3.96L.1010204113236.65610F@fledge.watson.org> Content-Description: after.txt Li4uDQphZHYwOiBBZHZhblN5cyBTQ1NJIEhvc3QgQWRhcHRlciwgU0NTSSBJ RCA3LCBxdWV1ZSBkZXB0aCAxNg0KYWR2MCBmYWlsZWQgdG8gcHJvYmUgYXQg cG9ydCAweDExMCBpcnEgMTUgZHJxIDcgb24gaXNhMA0KLi4uDQppc2FfcHJv YmVfY2hpbGRyZW46IHByb2JpbmcgUG5QIGRldmljZXMNCmFkdjE6IEFkdmFu U3lzIFNDU0kgSG9zdCBBZGFwdGVyLCBTQ1NJIElEIDcsIHF1ZXVlIGRlcHRo IDE2DQphZHYxOiBJbnZhbGlkIGJhc2Vwb3J0IG9mIDB4MjAgc3BlY2lmaWVk LiBOZWFyZXN0IHZhbGlkIGJhc2Vwb3J0IGlzIDB4MTAwLiAgRmFpbA0KaW5n IHByb2JlLg0KYWR2MTogSW52YWxpZCBiYXNlcG9ydCBvZiAweDAgc3BlY2lm aWVkLiBOZWFyZXN0IHZhbGlkIGJhc2Vwb3J0IGlzIDB4MTAwLiAgRmFpbGkN Cm5nIHByb2JlLg0KYWR2MTogSW52YWxpZCBiYXNlcG9ydCBvZiAweDQwIHNw ZWNpZmllZC4gTmVhcmVzdCB2YWxpZCBiYXNlcG9ydCBpcyAweDEwMC4gIEZh aWwNCmluZyBwcm9iZS4NCmFkdjE6IEludmFsaWQgYmFzZXBvcnQgb2YgMHg3 MCBzcGVjaWZpZWQuIE5lYXJlc3QgdmFsaWQgYmFzZXBvcnQgaXMgMHgxMDAu ICBGYWlsDQppbmcgcHJvYmUuDQp1bmtub3duOiA8UE5QMDMwMz4gY2FuJ3Qg YXNzaWduIHJlc291cmNlcw0KdW5rbm93bjogPFBOUDAzMDM+IGF0IHBvcnQg MHg2MCBvbiBpc2EwDQphZHYxOiBJbnZhbGlkIGJhc2Vwb3J0IG9mIDB4NjEg c3BlY2lmaWVkLiBOZWFyZXN0IHZhbGlkIGJhc2Vwb3J0IGlzIDB4MTAwLiAg RmFpbA0KaW5nIHByb2JlLg0KdW5rbm93bjogPFBOUDA4MDA+IGZhaWxlZCB0 byBwcm9iZSBhdCBwb3J0IDB4NjEgb24gaXNhMA0KYWR2MTogSW52YWxpZCBi YXNlcG9ydCBvZiAweGYwIHNwZWNpZmllZC4gTmVhcmVzdCB2YWxpZCBiYXNl cG9ydCBpcyAweDEwMC4gIEZhaWwNCmluZyBwcm9iZS4NCmFkdjE6IEludmFs aWQgYmFzZXBvcnQgb2YgMHg0MDAgc3BlY2lmaWVkLiBOZWFyZXN0IHZhbGlk IGJhc2Vwb3J0IGlzIDB4MzMwLiAgRmFpDQpsaW5nIHByb2JlLg0KdW5rbm93 bjogPFBOUDBjMDI+IGNhbid0IGFzc2lnbiByZXNvdXJjZXMNCnVua25vd246 IDxQTlAwYzAyPiBhdCBwb3J0IDB4MTAtMHgxZiwweDIyLTB4M2Ygb24gaXNh MA0KdW5rbm93bjogPFBOUDA1MDE+IGNhbid0IGFzc2lnbiByZXNvdXJjZXMN CnVua25vd246IDxQTlAwNTAxPiBhdCBwb3J0IDB4M2Y4LTB4M2ZmIG9uIGlz YTANCnVua25vd246IDxQTlAwNDAwPiBjYW4ndCBhc3NpZ24gcmVzb3VyY2Vz DQp1bmtub3duOiA8UE5QMDQwMD4gYXQgcG9ydCAweDM3OC0weDM3YiBvbiBp c2EwDQp1bmtub3duOiA8UE5QMDcwMD4gY2FuJ3QgYXNzaWduIHJlc291cmNl cw0KdW5rbm93bjogPFBOUDA3MDA+IGF0IHBvcnQgMHgzZjAtMHgzZjUgb24g aXNhMA0KYWR2MTogSW52YWxpZCBiYXNlcG9ydCBvZiAweDExMSBzcGVjaWZp ZWQuIE5lYXJlc3QgdmFsaWQgYmFzZXBvcnQgaXMgMHgxMjAuICBGYWkNCmxp bmcgcHJvYmUuDQp1bmtub3duOiA8QUJQNTE0MD4gZmFpbGVkIHRvIHByb2Jl IGF0IHBvcnQgMHgxMTEtMHgxMjAgaW9tZW0gMHhjODAwMC0weGNmZmZmIGly cQ0KIDExIGRycSA1IG9uIGlzYTANCi4uLg0K --0-878574975-981304356=:65610 Content-Type: TEXT/PLAIN; 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