| To: | Andi Kleen <ak@xxxxxxx> |
|---|---|
| Subject: | Re: xfsdump stuck in io_schedule - st driver pinning |
| From: | Zlatko Calusic <zlatko.calusic@xxxxxxxx> |
| Date: | Sat, 16 Nov 2002 11:45:12 +0100 |
| Cc: | Steve Lord <lord@xxxxxxx>, Andrew Morton <akpm@xxxxxxxxx>, linux-xfs@xxxxxxxxxxx |
| In-reply-to: | <20021115235546.A10107@xxxxxxxxxxxxx> (Andi Kleen's message of "Fri, 15 Nov 2002 23:55:46 +0100") |
| References: | <dnfzu3yw8u.fsf@xxxxxxxxxxxxxxxxx> <20021115135233.A13882@xxxxxxxxxxxxxxxx> <dnlm3v9ebk.fsf@xxxxxxxxxxxxxxxxx> <20021115140635.A31836@xxxxxxxxxxxxx> <dnr8dmj1i1.fsf@xxxxxxxxxxxxxxxxx> <3DD57602.857AD62D@xxxxxxxxx> <1037400155.24118.231.camel@xxxxxxxxxxxxxxxxxxxx> <20021115235546.A10107@xxxxxxxxxxxxx> |
| Reply-to: | zlatko.calusic@xxxxxxxx |
| Sender: | linux-xfs-bounce@xxxxxxxxxxx |
| User-agent: | Gnus/5.090007 (Oort Gnus v0.07) XEmacs/21.4 (Honest Recruiter, i386-debian-linux) |
Andi Kleen <ak@xxxxxxx> writes: > Another comment: > > wasn't the ST driver recently changed in 2.5 to do direct IO from user space? > That could disturb VM somewhat too because it will pin a lot of pages. If by ST driver you mean SCSI Tape driver, then it is not the reason here because I'm dumping to a file on a different disk. So, it is not involved (I don't even have it compiled in the kernel). Also, I forgot to mention, disks are both IDE (on both machines I have tested). -- Zlatko |
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