Messages in this thread | | | Date | Wed, 14 Feb 2007 14:52:46 +1100 | From | Nick Piggin <> | Subject | Re: Help! How do I debug oopsing kernel workqueue threads? |
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Chuck Ebbert wrote: > How the hell do I tell what kernel subsystem queued > a bogus work item?
Can you add a new field to struct list_head and add the caller's address in there?
> > BUG: unable to handle kernel paging request at virtual address 00002074 > printing eip: > c04f3b55 > *pde = 71bb1067 > Oops: 0000 [#1] > SMP > last sysfs file: /class/scsi_host/host2/proc_name > Modules linked in: hwmon i2c_isa eeprom sunrpc ipv6 ip_nat_sip ip_nat_pptp > ip_nat_ftp ip_conntrack_sip ip_conntrack_pptp ip_conntrack_ftp xt_helper ipt_LOG > xt_state xt_tcpudp iptable_mangle iptable_nat ip_nat ip_conntrack nfnetlink > iptable_filter ip_tables x_tables dm_mirror dm_multipath dm_mod video sbs i2c_ec > button battery asus_acpi ac lp snd_hda_intel snd_hda_codec snd_seq_dummy > snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss > sg snd_pcm snd_timer ide_cd floppy snd serio_raw cdrom sky2 ohci1394 ieee1394 > soundcore pcspkr iTCO_wdt skge i2c_i801 snd_page_alloc i2c_core parport_pc > parport ata_piix libata aacraid sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd > uhci_hcd > CPU: 0 > EIP: 0060:[<c04f3b55>] Not tainted VLI > EFLAGS: 00010046 (2.6.19-1.2895.fc6 #1) > EIP is at list_del+0x2d/0x6c > eax: 00002070 ebx: f76f0f80 ecx: 00000001 edx: 00000000 > esi: f7ff8dc0 edi: d6ca8000 ebp: f7e6f380 esp: f7fefef0 > ds: 007b es: 007b ss: 0068 > Process events/0 (pid: 8, ti=f7fef000 task=f7e205d0 task.ti=f7fef000) > Stack: f7e205d0 d7ade040 f7ff8d40 f76f0f80 c04717fc f703e0c0 c07a2fc8 f703e0c0 > 00000001 00000000 f7ff8e60 f7ff8e60 00000001 f7ff8e40 00000000 c04718ff > 00000000 00000000 f7e6f380 f7ff8de4 f7ff8dc0 f7e6f380 f7e0bac0 00000282 > Call Trace: > [<c04717fc>] free_block+0x77/0xf0 > [<c04718ff>] drain_array+0x8a/0xb5 > [<c0472e9c>] cache_reap+0x53/0x117 > [<c04368c7>] run_workqueue+0x97/0xdd > [<c0437284>] worker_thread+0xd9/0x10d > [<c0439810>] kthread+0xc0/0xec > [<c0404c03>] kernel_thread_helper+0x7/0x10 > - > 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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