Messages in this thread | | | Date | Mon, 26 Nov 2007 22:05:38 -0800 | From | Andrew Morton <> | Subject | Re: WARNING: at kernel/resource.c:189 __release_resource |
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On Thu, 22 Nov 2007 22:41:16 +0100 Jiri Slaby <jirislaby@gmail.com> wrote:
> Hi, > > Step aside. What's the purpose of having two similar patches for one issue, > it then warns about the same thing twice: > make-sure-nobodys-leaking-resources.patch > releasing-resources-with-children.patch
Oh well. It's better than having none. Matthew, could you have think about something for mainline please?
> Ok, I hit the bug, suspend of 00:06 device complains about it: > WARNING: at .../kernel/resource.c:185 __release_resource() > > Call Trace: > [<ffffffff8023f7b5>] release_resource+0xb5/0xf0 > [<ffffffff8036cda0>] pnp_release_resources+0x70/0x130 > [<ffffffff8036db85>] pnp_stop_dev+0x45/0x90 > [<ffffffff8036c942>] pnp_bus_suspend+0x92/0xb0 > [<ffffffff803b9f73>] suspend_device+0x113/0x180 > [<ffffffff803ba330>] device_suspend+0x200/0x320 > [<ffffffff80266905>] suspend_devices_and_enter+0xa5/0x170 > [<ffffffff80266bd9>] enter_state+0x209/0x270 > [<ffffffff80266cef>] state_store+0xaf/0xf0 > [<ffffffff8032ca67>] kobj_attr_store+0x17/0x20 > [<ffffffff802e459e>] sysfs_write_file+0xce/0x140 > [<ffffffff80299cc7>] vfs_write+0xc7/0x170 > [<ffffffff8029a360>] sys_write+0x50/0x90 > [<ffffffff8020bcde>] system_call+0x7e/0x83 > > # LANG=en ll /sys/devices/pnp0/00:06/ > total 0 > lrwxrwxrwx 1 root root 0 Nov 22 22:35 driver -> ../../../bus/pnp/drivers/serial > -r--r--r-- 1 root root 4096 Nov 22 22:35 id > -r--r--r-- 1 root root 4096 Nov 22 22:35 options > drwxr-xr-x 2 root root 0 Nov 22 22:35 power > -rw-r--r-- 1 root root 4096 Nov 22 22:35 resources > lrwxrwxrwx 1 root root 0 Nov 22 22:35 subsystem -> ../../../bus/pnp > drwxr-xr-x 3 root root 0 Nov 22 22:35 tty > -rw-r--r-- 1 root root 4096 Nov 22 22:35 uevent >
I suppose that's a genuine leak, presumably in 8250_pnp. - 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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