From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org, ronniesahlberg@gmail.com
Subject: Re: [Qemu-devel] [PATCH RFT 0/3] iscsi: fix NULL dereferences / races between task completion and abort
Date: Mon, 20 Aug 2012 10:12:13 +0200 [thread overview]
Message-ID: <5031F15D.7050307@profihost.ag> (raw)
In-Reply-To: <5031F060.1030602@redhat.com>
Hi Ronnie,
Am 20.08.2012 10:08, schrieb Paolo Bonzini:
> That's because the "big QEMU lock" is held by the thread that called
> qemu_aio_cancel.
>
>> and i also see
>> no cancellation message in kernel log.
>
> And that's because the UNMAP actually ultimately succeeds. You'll
> probably see soft lockup messages though.
>
> The solution here is to bump the timeout of the UNMAP command (either in
> the kernel or in libiscsi, I didn't really understand who's at fault).
What's your suggestion / idea about that?
Greets,
Stefan
next prev parent reply other threads:[~2012-08-20 8:12 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-18 21:49 [Qemu-devel] [PATCH RFT 0/3] iscsi: fix NULL dereferences / races between task completion and abort Paolo Bonzini
2012-08-18 21:49 ` [Qemu-devel] [PATCH 1/3] iscsi: move iscsi_schedule_bh and iscsi_readv_writev_bh_cb Paolo Bonzini
2012-08-18 21:49 ` [Qemu-devel] [PATCH 2/3] iscsi: simplify iscsi_schedule_bh Paolo Bonzini
2012-08-18 21:49 ` [Qemu-devel] [PATCH 3/3] iscsi: fix races between task completion and abort Paolo Bonzini
2012-08-19 7:55 ` [Qemu-devel] [PATCH RFT 0/3] iscsi: fix NULL dereferences / " Stefan Priebe
2012-08-19 13:11 ` Paolo Bonzini
2012-08-19 19:22 ` Stefan Priebe - Profihost AG
2012-08-20 7:22 ` Paolo Bonzini
2012-08-20 7:34 ` Stefan Priebe - Profihost AG
2012-08-20 8:08 ` Paolo Bonzini
2012-08-20 8:12 ` Stefan Priebe - Profihost AG [this message]
2012-08-20 22:36 ` ronnie sahlberg
2012-08-21 7:22 ` Stefan Priebe - Profihost AG
2012-08-21 7:30 ` Paolo Bonzini
2012-11-06 8:41 ` [Qemu-devel] scsi-hd with discard_granularity and unmap results in Aborted Commands Stefan Priebe - Profihost AG
2012-11-06 22:42 ` Paolo Bonzini
2012-11-07 18:57 ` Stefan Priebe
2012-11-18 22:00 ` Stefan Priebe
2012-11-19 8:10 ` Paolo Bonzini
2012-11-19 9:36 ` Stefan Priebe - Profihost AG
2012-11-19 9:54 ` Paolo Bonzini
2012-11-19 9:59 ` Stefan Priebe - Profihost AG
2012-11-19 10:06 ` Paolo Bonzini
2012-11-19 10:13 ` Stefan Priebe - Profihost AG
2012-11-19 10:23 ` Paolo Bonzini
2012-11-19 10:30 ` Stefan Priebe - Profihost AG
2012-11-19 10:36 ` Paolo Bonzini
2012-11-19 10:57 ` Stefan Priebe - Profihost AG
2012-11-19 11:16 ` Paolo Bonzini
2012-11-19 11:49 ` Stefan Priebe - Profihost AG
2012-11-19 12:24 ` Paolo Bonzini
2012-11-19 13:01 ` Stefan Priebe - Profihost AG
2012-11-19 13:06 ` Paolo Bonzini
2012-11-19 14:16 ` Stefan Priebe - Profihost AG
2012-11-19 14:32 ` Paolo Bonzini
2012-11-19 14:28 ` Stefan Priebe - Profihost AG
2012-11-19 14:41 ` Paolo Bonzini
2012-11-19 14:48 ` Stefan Priebe - Profihost AG
2012-11-19 15:03 ` Paolo Bonzini
2012-11-19 15:04 ` Stefan Priebe - Profihost AG
2012-11-19 15:22 ` Paolo Bonzini
2012-11-19 15:58 ` Stefan Priebe - Profihost AG
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