Messages in this thread | | | From | Jinpu Wang <> | Date | Thu, 5 Feb 2015 09:42:15 +0100 | Subject | Re: [WARNING] CPU: 27 PID: 6295 at kernel/sched/core.c:7300 __might_sleep+0xbd/0xd0() |
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Thanks Cong,
I found another thread: https://lkml.org/lkml/2015/2/3/690
Looks the patch fix the same WARNING.
On Thu, Feb 5, 2015 at 7:33 AM, Cong Wang <xiyou.wangcong@gmail.com> wrote: > On Wed, Feb 4, 2015 at 1:57 AM, Jinpu Wang <jinpu.wang@profitbricks.com> wrote: >> Hi, >> >> I hit WARNING below after update to 3.19-rc6, when I running fio with libaio. >> Any one see this warning before, or maybe know how to fix it? >> >> From the call trace: >> (gdb) list *read_events+0x1e8 >> 0xffffffff81225ad8 is in read_events (fs/aio.c:1259). >> 1254 * something to be aware of when touching this code. >> 1255 */ >> 1256 if (until.tv64 == 0) >> 1257 aio_read_events(ctx, min_nr, nr, event, &ret); >> 1258 else >> 1259 wait_event_interruptible_hrtimeout(ctx->wait, >> 1260 aio_read_events(ctx, min_nr, nr, event, &ret), >> 1261 until); >> 1262 >> 1263 if (!ret && signal_pending(current)) >> (gdb) >> >> looks like the WARNING come from wait_event_interruptible_hrtimeout? > > Probably fixed by: > http://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?id=3e87523897e18a3e17fc8955ed795188be737ff1
-- Mit freundlichen Grüßen, Best Regards,
Jack Wang
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