Re: Fixing rt2500pci

[Peter Chubb]

>>>>> "Peter" == Peter Chubb <peterc@xxxxxxxxxxxxxxxxxx> writes:

Peter> Ther appears to be another problem in here somewhere.  Every
Peter> now and then I get a general protect fault with this card and
Peter> 2.6.27-rc1.  This is on an AMD64 box.  I'm not sure I entirely
Peter> believe the stack backtrace.

I recompiled with frame pointers.  Here's another trace.  i believe
this one :-) This is 2.6.27-rc1 as of 4/8/2008 with my patch applied

general protection fault: 0000 [1] PREEMPT 
CPU 0 
Modules linked in: radeon rfcomm l2cap bluetooth sd_mod scsi_mod pcmcia rt2500pci rt2x00pci rt2x00lib led_class mac80211 i2c_piix4 rtc_cmos firewire_ohci snd_hda_intel eeprom_93cx6 rtc_core yenta_socket firewire_core serio_raw usbhid rtc_lib rsrc_nonstatic i2c_core snd_hwdep hid
Pid: 2181, comm: rt2500pci Not tainted 2.6.27-rc1 #51
RIP: 0010:[<ffffffff80260c8d>]  [<ffffffff80260c8d>] put_page+0xc/0xd6
RSP: 0018:ffff88003fbd9bf0  EFLAGS: 00010286
RAX: 0000000000000000 RBX: fd94ea9eed2c0b41 RCX: 0000000000000000
RDX: ffff8800352b89c0 RSI: 0000000000000000 RDI: fd94ea9eed2c0b41
RBP: ffff88003fbd9c00 R08: ffff88003f32e2a0 R09: 0000000000000002
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8800352b8014 R14: ffff88003cc0c000 R15: 0000000000000000
FS:  00007fb7bcdbe6f0(0000) GS:ffffffff8068ae40(0000) knlGS:00000000f7bcf6c0
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00000000006d20c8 CR3: 000000003527c000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process rt2500pci (pid: 2181, threadinfo ffff88003fbd8000, task ffff88003fb00b00)
Stack:  0000000000000000 ffff880035283900 ffff88003fbd9c20 ffffffff80482ee8
 ffff880035283900 ffff88003cc60c00 ffff88003fbd9c40 ffffffff8048358a
 ffff88003cc60c00 ffff880035283900 ffff88003fbd9c60 ffffffff80482d85
Call Trace:
 [<ffffffff80482ee8>] skb_release_data+0x68/0xac
 [<ffffffff8048358a>] skb_release_all+0x6f/0x73
 [<ffffffff80482d85>] __kfree_skb+0x11/0x77
 [<ffffffff80482e11>] kfree_skb+0x26/0x28
 [<ffffffffa00a8ee4>] ieee80211_sta_rx_queued_mgmt+0xd5f/0xd85 [mac80211]
 [<ffffffff804835fa>] ? __alloc_skb+0x3b/0x12e
 [<ffffffff80496f9d>] ? __qdisc_run+0xd1/0x1ea
 [<ffffffff8048b197>] ? dev_queue_xmit+0x427/0x468
 [<ffffffff8036b433>] ? delay_tsc+0x25/0xa2
 [<ffffffff8036b3a5>] ? __delay+0xa/0xc
 [<ffffffff8036b3c9>] ? __const_udelay+0x22/0x24
 [<ffffffffa00cf11f>] ? rt2500pci_bbp_check+0x35/0x45 [rt2500pci]
 [<ffffffffa00aa066>] ieee80211_sta_work+0x99/0x6c3 [mac80211]
 [<ffffffff8052ae7e>] ? thread_return+0x30/0xa9
 [<ffffffffa00a9fcd>] ? ieee80211_sta_work+0x0/0x6c3 [mac80211]
 [<ffffffff8023a2b9>] run_workqueue+0xb2/0x178
 [<ffffffff8023ac9a>] worker_thread+0xd3/0xe0
 [<ffffffff8023d9b1>] ? autoremove_wake_function+0x0/0x38
 [<ffffffff8023abc7>] ? worker_thread+0x0/0xe0
 [<ffffffff8023d8a1>] kthread+0x49/0x78
 [<ffffffff8020bc59>] child_rip+0xa/0x11
 [<ffffffff8023d858>] ? kthread+0x0/0x78
 [<ffffffff8020bc4f>] ? child_rip+0x0/0x11


Code: f6 80 38 e0 ff ff 08 74 05 e8 ea a2 2c 00 5e 5b c9 c3 55 48 89 e5 e8 71 ff ff ff c9 31 c0 c3 55 48 89 e5 53 48 89 fb 48 83 ec 08 <f7> 07 00 60 00 00 74 0a e8 05 f9 ff ff e9 b4 00 00 00 ff 4f 08 
RIP  [<ffffffff80260c8d>] put_page+0xc/0xd6
 RSP <ffff88003fbd9bf0>
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