Messages in this thread | | | Date | Wed, 20 Aug 2003 13:03:47 -0500 | From | Matt Mackall <> | Subject | Re: sleeping function called from invalid context include/linux/rwsem.h:43 |
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On Wed, Aug 20, 2003 at 01:38:09AM -0500, Hmamouche, Youssef wrote: > > Hi, > > I get this debug message right before the oops(Oops linux-2.6.0-test3 > sound) that I sent earlier to the list. When this Debug message happens > before the oops, the system freezes. All of this is related to the > Maestro3.c sound card. I've ran 2.4{16, 20, 21, 22-pre8} without a > problem. I searched through the list archive for a similar problem, in > vain. Can someone please tell what's causing this?
Could you post the oops together with the might_sleep trace? This is something calling down_read in a context where its not safe to sleep. The rest of the backtrace doesn't make much sense..
Did you build with preempt enabled?
> > Thanks > > Debug: sleeping function called from invalid context at > include/linux/rwsem.h:43 > Aug 19 23:59:34 darkstar kernel: Debug: sleeping function called from > invalid context at include/linux/rwsem.h:43 > > Call Trace: > [<c012722e>] __might_sleep+0x5e/0x70 > [<c0127b20>] autoremove_wake_function+0x0/0x50 > [<c0122869>] do_page_fault+0x79/0x4dc > [<c01c71ad>] ext2_get_inode+0xdd/0x140 > [<c022973c>] avc_has_perm+0x6c/0x7b > [<c01227f0>] do_page_fault+0x0/0x4dc > [<c010b1b9>] error_code+0x2d/0x38 > [<c03dabe1>] m3_open+0x131/0x390 > [<c0159b94>] check_poison_obj+0x54/0x1d0 > [<c03d4d25>] soundcore_open+0x1e5/0x4e0 > [<c0186c90>] exact_match+0x0/0x10 > [<c0186696>] chrdev_open+0x156/0x3e0 > [<c017a388>] get_empty_filp+0x98/0x100 > [<c017823c>] dentry_open+0x12c/0x1c0 > [<c0178106>] filp_open+0x66/0x70 > [<c0178855>] sys_open+0x55/0x90 > [<c010b00f>] syscall_call+0x7/0xb > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
-- Matt Mackall : http://www.selenic.com : of or relating to the moon - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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