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Message-ID: <9ea470500902260751t4221d04cm839765a93300d861@mail.gmail.com> Date: Thu, 26 Feb 2009 16:51:30 +0100 From: Borislav Petkov <petkovbb@...glemail.com> To: Bartlomiej Zolnierkiewicz <bzolnier@...il.com> Cc: Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>, linux-kernel@...r.kernel.org Subject: Re: linux-next-20090225: ide-cd triggers BUG at arch/x86/mm/ioremap.c:80! Hi, On Thu, Feb 26, 2009 at 3:29 PM, Bartlomiej Zolnierkiewicz <bzolnier@...il.com> wrote: > On Thursday 26 February 2009, Tetsuo Handa wrote: >> 2.6.29-rc6 is OK. > > Could you try to narrow down the issue by bisecting linux-next? Can you also apply the following patch and send us the output? Thanks. -- diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 9e19aec..fca6e64 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -918,6 +918,12 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq, ide_init_sg_cmd(&cmd, blk_fs_request(rq) ? (rq->nr_sectors << 9) : rq->data_len); + + blk_dump_rq_flags(rq, "mapping rq to sg"); + + if ((unsigned long)rq->data < PAGE_OFFSET) + dump_stack(); + ide_map_sg(drive, &cmd); return ide_issue_pc(drive, &cmd); -- Regards/Gruss, Boris -- 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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