Messages in this thread | | | Date | Mon, 14 Oct 2002 22:52:11 -0700 | From | Greg KH <> | Subject | Re: [PATCH/RFC] 2.5.42 partial fix for older pl2303 |
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On Sun, Oct 13, 2002 at 09:17:56PM -0700, Barry K. Nathan wrote: > > followed by tons of these oopses (I think it's one per LCP echo > request/reply pair on my PPP connection but I'm not sure): > > Debug: sleeping function called from illegal context at > include/asm/semaphore.h:119 > Call Trace: > [<c02095f7>] serial_write+0x77/0x170 > [<c01da4e8>] ppp_async_push+0x138/0x1c0 > [<c01da3a5>] ppp_async_send+0x45/0x50 > [<c01d674e>] ppp_channel_push+0x7e/0x1a0 > [<c01d548d>] ppp_write+0xfd/0x130 > [<c013d67d>] vfs_write+0xcd/0x140 > [<c013d78c>] sys_write+0x3c/0x60 > [<c01075cb>] syscall_call+0x7/0xb
Heh, I didn't think that serial_write() would sleep, but I know the pl2303 driver could have this problem. But it's just a warning, I know the usb-serial drivers have some issues regarding PPP. Check the lkml archives for a discussion about this only a week or so ago.
> Under 2.4.20-pre10 + my 2.4 fix, the device always gets ttyUSB0, and > always works there.
Glad this is working.
thanks,
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