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Date: Sun, 22 Jun 2008 15:14:33 +0200 From: "Alessandro Suardi" <alessandro.suardi@...il.com> To: "Geert Uytterhoeven" <Geert.Uytterhoeven@...ycom.com> Cc: linux-scsi@...r.kernel.org, "Linux Kernel Development" <linux-kernel@...r.kernel.org>, "James E.J. Bottomley" <James.Bottomley@...senpartnership.com>, "Maarten Bressers" <mbres@...too.org>, "Daniel Drake" <dsd@...too.org>, "Cell Broadband Engine OSS Development" <cbe-oss-dev@...abs.org> Subject: Re: [Cbe-oss-dev] [regression/bisected] corrupt CD data after media change and delay On Sun, Jun 22, 2008 at 10:18 AM, Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com> wrote: > On Sat, 21 Jun 2008, Alessandro Suardi wrote: >> On Wed, Jun 18, 2008 at 2:15 PM, Alessandro Suardi >> <alessandro.suardi@...il.com> wrote: >> > On Wed, Jun 18, 2008 at 1:13 PM, Geert Uytterhoeven >> > <Geert.Uytterhoeven@...ycom.com> wrote: >> >> On Wed, 18 Jun 2008, Alessandro Suardi wrote: >> >>> On Fri, Jun 13, 2008 at 7:33 PM, Geert Uytterhoeven >> >>> <Geert.Uytterhoeven@...ycom.com> wrote: >> >>> > On Fri, 6 Jun 2008, Geert Uytterhoeven wrote: >> >>> >> When mounting a CD/DVD more than 30 seconds after inserting it, and reading >> >>> >> from it, we get: >> >>> > >> >>> > Apparently the fix didn't make it to all the CCed lists... >> >>> > >> >>> > http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fjejb%2Fscsi-rc-fixes-2.6.git;a=commitdiff_plain;h=d1daeabf0da5bfa1943272ce508e2ba785730bf0 >> >>> >> >>> Oh, that's in mainline ? I still have the problem of having to >> >> >> >> Not yet, it's in the scsi-rc-fixes-2.6 tree. >> >> >> >>> insert DVD / try accessing it and get errors / eject / re-insert >> >>> and then it magically works... the messages have changed >> >>> from what they were as reported here >> >>> >> >>> http://bugzilla.kernel.org/show_bug.cgi?id=10116 >> >>> >> >>> (see comments #8 and #9) to these ones, in 2.6.26-rc6-git4: >> >>> >> >>> Jun 17 22:38:43 sandman kernel: sr 1:0:0:0: [sr0] Result: >> >>> hostbyte=0x00 driverbyte=0x08 >> >>> Jun 17 22:38:43 sandman kernel: sr 1:0:0:0: [sr0] Sense Key : 0x3 [current] >> >>> Jun 17 22:38:43 sandman kernel: sr 1:0:0:0: [sr0] ASC=0x11 ASCQ=0x0 >> >>> Jun 17 22:38:43 sandman kernel: end_request: I/O error, dev sr0, sector 232 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 29 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 30 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 31 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 32 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 33 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 34 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 35 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 36 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 37 >> >>> Jun 17 22:38:43 sandman kernel: Buffer I/O error on device sr0, logical block 38 >> >>> >> >>> here I eject and reinsert the disc, and: >> >>> >> >>> Jun 17 22:39:10 sandman kernel: UDF-fs: No VRS found >> >>> >> >>> lo and behold, no problem. >> >>> >> >>> This does not, alas, happen every time. It might be at the first >> >>> DVD access after booting the laptop, but I haven't investigated >> >>> in this detail yet. >> >> >> >> Does /sys/block/sr0/size reflect the correct size of the DVD? >> >> >> >> Did you try applying the patch? >> > >> > ATM I'm away from home (as usual), I'll post back when >> > I have the info you asked for and tried applying the >> > above patch. Thanks ! >> >> Sigh. I haven't been able to reproduce the problem once since >> I posted this. Will keep trying... > > Perhaps because the fix is now in mainline? Eh, that may be a reason :) I'm indeed tracking mainline and haven't reproduced with at least six different discs in -rc7. --alessandro "Give me love / Or give me hate Give me anything that's not just ok" (Sophia, 'Weightless') -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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