[Bug 29586] Solid hangs in VIA glx code

[John Moser]

Public bug report changed:
https://launchpad.net/malone/bugs/29586

Comment:
Digging an Oops out of my kernel logs, they all look like this.  From
AMD64


Feb 23 07:52:06 localhost kernel: [33790.181014] Oops: 0000 [1] PREEMPT SMP
Feb 23 07:52:06 localhost kernel: [33790.181017] CPU 0
Feb 23 07:52:06 localhost kernel: [33790.181020] Modules linked in: af_packet nls_utf8 usb_storage rfcomm l2cap bluetooth powernow_k8 cpufreq_userspace cpufreq_stats freq_table cpufreq_powersave cpufreq_ondemand cpufreq_conservative via drm video tc1100_wmi sony_acpi pcc_acpi hotkey dev_acpi container button acpi_sbs battery i2c_acpi_ec ac nls_iso8859_1 nls_cp437 vfat fat ext2 dm_mod md_mod sr_mod sbp2 parport_pc lp parport ipv6 psmouse serio_raw snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul tsdev snd_seq_dummy snd_seq_oss snd_seq_midi snd_seq_midi_event snd_seq i2c_viapro snd_emu10k1 snd_rawmidi snd_ac97_codec
snd_ac97_bus usblp snd_pcm_oss snd_mixer_oss i2c_core pcspkr rtc ohci1394 ieee1394 snd_pcm snd_seq_device snd_timer snd_page_alloc snd_util_mem snd_hwdep snd 8139cp 8139too mii soundcore shpchp usbhid pci_hotplug sg evdev xfs exportfs ehci_hcd uhci_hcd usbcore ide_generic ide_cd cdrom generic via82cxxx sd_mod sata_via
libata scsi_mod thermal processor fan capability commoncap vga16fb cf
Feb 23 07:52:06 localhost kernel: copyarea vgastate cfbimgblt cfbfillrect fbcon
tileblit font bitblit softcursor
Feb 23 07:52:06 localhost kernel: [33790.181069] Pid: 4204, comm: Xorg Not tainted 2.6.15-15-amd64-k8 #1
Feb 23 07:52:06 localhost kernel: [33790.181072] RIP: 0010:[_end+134037098/2132357120] <ffffffff88440e6a>{:via:via_mmFreeMem+10}
Feb 23 07:52:06 localhost kernel: [33790.181081] RSP: 0018:ffff8100348fddf8  EFLAGS: 00010202
Feb 23 07:52:06 localhost kernel: [33790.181085] RAX: 0000000000000001 RBX: ffff8100382e0000 RCX: 0000000000000000
Feb 23 07:52:06 localhost kernel: [33790.181088] RDX: 0000000000000001 RSI: ffff8100348fde18 RDI: 0000000005fdc280
Feb 23 07:52:06 localhost kernel: [33790.181091] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001
Feb 23 07:52:06 localhost kernel: [33790.181094] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
Feb 23 07:52:06 localhost kernel: [33790.181099] R13: ffff8100348fde18 R14: ffff810035238800 R15: ffff810031bc0000
Feb 23 07:52:06 localhost kernel: [33790.181103] FS:  00002aaaab7acce0(0000) GS:ffffffff80426800(0000) knlGS:0000000000000000
Feb 23 07:52:06 localhost kernel: [33790.181107] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
Feb 23 07:52:06 localhost kernel: [33790.181110] CR2: 0000000005fdc288 CR3: 0000000035625000 CR4: 00000000000006e0
Feb 23 07:52:06 localhost kernel: [33790.181115] Process Xorg (pid: 4204, threadinfo ffff8100348fc000, task ffff81003ab688e0)
Feb 23 07:52:06 localhost kernel: [33790.181117] Stack: ffff8100382e0000 ffffffff8844151a 0000000100000000 ffff81002b346688
Feb 23 07:52:06 localhost kernel: [33790.181126]        0000000005fdc280 ffff81003bcdb4c0 ffff810035238800 0000000000000021
Feb 23 07:52:06 localhost kernel: [33790.181132]        ffff81003bcdb4c0 ffff81003523884c
Feb 23 07:52:06 localhost kernel: [33790.181136] Call Trace:<ffffffff8844151a>{:via:via_final_context+202} <ffffffff8842a5a0>{:drm:drm_rmctx+128}
Feb 23 07:52:06 localhost kernel: [33790.181191]        <ffffffff801ab64c>{mntput_no_expire+28} <ffffffff8842a520>{:drm:drm_rmctx+0}
Feb 23 07:52:06 localhost kernel: [33790.181215]        <ffffffff8842b365>{:drm:drm_ioctl+405} <ffffffff801a1a09>{do_ioctl+105}
Feb 23 07:52:06 localhost kernel: [33790.181240]        <ffffffff801a1ceb>{vfs_ioctl+683} <ffffffff801ab64c>{mntput_no_expire+28}
Feb 23 07:52:06 localhost kernel: [33790.181251]        <ffffffff801a1d8c>{sys_ioctl+108} <ffffffff8010fede>{system_call+126}
Feb 23 07:52:06 localhost kernel: [33790.181268]
Feb 23 07:52:06 localhost kernel: [33790.181281]
Feb 23 07:52:06 localhost kernel: [33790.181282] Code: 48 8b 4f 08 48 85 c9 0f 84 99 00 00 00 e9 9b 00 00 00 66 66
Feb 23 07:52:06 localhost kernel: [33790.181291] RIP <ffffffff88440e6a>{:via:via_mmFreeMem+10} RSP <ffff8100348fddf8>
Feb 23 07:52:06 localhost kernel: [33790.181300] CR2: 0000000005fdc288
Feb 23 07:52:06 localhost kernel: [33790.181303]  <1>Unable to handle kernel paging request at 0000000005fdc288 RIP:
Feb 23 07:52:06 localhost kernel: [33790.187430] <ffffffff88440e6a>{:via:via_mmFreeMem+10}
Feb 23 07:52:06 localhost kernel: [33790.187444] PGD 39181067 PUD 39182067 PMD 0


Notice the KERNEL is borking in
<ffffffff88440e6a>{:via:via_mmFreeMem+10}